NPORT-P false 0001065698 XXXXXXXX S000023374 C000068447 C000068446 MFS VARIABLE INSURANCE TRUST III 811-08879 0001065698 549300QPPZUNGK3D0K61 111 HUNTINGTON AVENUE BOSTON 02199 617-954-5000 MFS New Discovery Value Portfolio S000023374 549300X8U0YDKOFKNA72 2025-12-31 2025-06-30 N 46449397.93 148132.51 46301265.42 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 11.68000000 N Nexstar Media Group Inc 52990083ZRR5UT591988 65336K103 1756.00000000 NS USD 303700.20000000 0.655922029873 Long EC CORP US N 1 N N N PennyMac Financial Services Inc 549300W1D516HBDEU871 70932M107 3559.00000000 NS USD 354618.76000000 0.765894315810 Long EC CORP US N 1 N N N Independence Realty Trust Inc 549300Z3L8NU44NQEB29 45378A106 24266.00000000 NS USD 429265.54000000 0.927114056400 Long EC CORP US N 1 N N N Plexus Corp 549300W7HCBI5YT25I79 729132100 2164.00000000 NS USD 292810.84000000 0.632403536585 Long EC CORP US N 1 N N N First Interstate BancSystem Inc 549300WRWYTYX0RCNJ43 32055Y201 17265.00000000 NS USD 497577.30000000 1.074651622340 Long EC CORP US N 1 N N N TTM Technologies Inc 549300SC4BDOIS008048 87305R109 15465.00000000 NS USD 631281.30000000 1.363421267806 Long EC CORP US N 1 N N N Plains GP Holdings LP 549300O56BSKRD8FAM12 72651A207 28953.00000000 NS USD 562556.79000000 1.214992257548 Long EC CORP US N 1 N N N AST SpaceMobile Inc 254900MBSC9P2UCI6623 00217D100 1919.00000000 NS USD 89674.87000000 0.193676931259 Long EC CORP US N 1 N N Hut 8 Corp 98450066FEF9C1D3FC20 44812J104 7827.00000000 NS USD 145582.20000000 0.314423803927 Long EC CORP US N 1 N N N New Jersey Resources Corp 549300QKBSQBIX4DQ583 646025106 8480.00000000 NS USD 380073.60000000 0.820870869407 Long EC CORP US N 1 N N N Mirion Technologies Inc 549300BNTOWVWFNVTJ65 60471A101 14537.00000000 NS USD 312981.61000000 0.675967723907 Long EC CORP US N 1 N N N EXPRO GROUP HOLDINGS NV 724500LJYA8QIT73H017 000000000 33540.00000000 NS USD 288108.60000000 0.622247788233 Long EC CORP NL N 1 N N N P10 Inc N/A 69376K106 35885.00000000 NS USD 366744.70000000 0.792083535240 Long EC CORP US N 1 N N N Eastern Bankshares Inc 549300J245MBQU3DO403 27627N105 25988.00000000 NS USD 396836.76000000 0.857075409063 Long EC CORP US N 1 N N N Avient Corp SM8L9RZYIB34LNTWO040 05368V106 9797.00000000 NS USD 316541.07000000 0.683655332372 Long EC CORP US N 1 N N N Prestige Consumer Healthcare Inc N/A 74112D101 7048.00000000 NS USD 562782.80000000 1.215480386756 Long EC CORP US N 1 N N N Essential Properties Realty Trust Inc 2549009LXQLVYCGLZO50 29670E107 16840.00000000 NS USD 537364.40000000 1.160582535111 Long EC CORP US N 1 N N N Ashland Inc 529900E4L9R04SB8HB11 044186104 6489.00000000 NS USD 326266.92000000 0.704660913779 Long EC CORP US N 1 N N N RXO Inc 549300KL8CA6GP8XPM30 74982T103 11440.00000000 NS USD 179836.80000000 0.388405799212 Long EC CORP US N 1 N N N Four Corners Property Trust Inc 549300SVTPZPBDVNER42 35086T109 13388.00000000 NS USD 360271.08000000 0.778102016720 Long EC CORP US N 1 N N N Cushman & Wakefield PLC N/A 000000000 22684.00000000 NS USD 251111.88000000 0.542343449411 Long EC CORP GB N 1 N N N nVent Electric PLC N/A 000000000 5420.00000000 NS USD 397015.00000000 0.857460366144 Long EC CORP IE N 1 N N N Permian Resources Corp 529900NXUJPOKU7OJ511 71424F105 28685.00000000 NS USD 390689.70000000 0.843799184441 Long EC CORP US N 1 N N N Nomad Foods Ltd 5493000ZZ1837DS2SI43 000000000 30740.00000000 NS USD 522272.60000000 1.127987745610 Long EC CORP VG N 1 N N N Atmus Filtration Technologies Inc N/A 04956D107 12621.00000000 NS USD 459656.82000000 0.992752176059 Long EC CORP US N 1 N N N Columbia Banking System Inc N/A 197236102 20113.00000000 NS USD 470241.94000000 1.015613581474 Long EC CORP US N 1 N N N KBR Inc 254900OFQDXZRKRCV808 48242W106 6033.00000000 NS USD 289222.02000000 0.624652517326 Long EC CORP US N 1 N N N Under Armour Inc 549300D4549QKWETZ406 904311206 44641.00000000 NS USD 289720.09000000 0.625728233066 Long EC CORP US N 1 N N N Prosperity Bancshares Inc N/A 743606105 8338.00000000 NS USD 585661.12000000 1.264892254428 Long EC CORP US N 1 N N N Herc Holdings Inc 549300TP80QLITMSBP82 42704L104 2052.00000000 NS USD 270227.88000000 0.583629578044 Long EC CORP US N 1 N N N Air Lease Corp 5493004NW4M4P8TMMK63 00912X302 9676.00000000 NS USD 565949.24000000 1.222319163129 Long EC CORP US N 1 N N N Graphic Packaging Holding Co N/A 388689101 19402.00000000 NS USD 408800.14000000 0.882913536577 Long EC CORP US N 1 N N N Axalta Coating Systems Ltd 529900AGLPA40GV6H619 000000000 9083.00000000 NS USD 269674.27000000 0.582433908779 Long EC CORP BM N 1 N N N Advanced Energy Industries Inc 549300756XI3QLFT2U27 007973100 2425.00000000 NS USD 321312.50000000 0.693960515086 Long EC CORP US N 1 N N N Lincoln National Corp EFQMQROEDSNBRIP7LE47 534187109 10426.00000000 NS USD 360739.60000000 0.779113911310 Long EC CORP US N 1 N N N Phillips Edison & Co Inc 549300JPN4YHYPXTJQ85 71844V201 12290.00000000 NS USD 430518.70000000 0.929820591499 Long EC CORP US N 1 N N N Kemper Corp 549300FNI1JKTRY2PV09 488401100 4650.00000000 NS USD 300111.00000000 0.648170189902 Long EC CORP US N 1 N N N nCino Inc 549300WVRR2WR3L6MZ46 63947X101 9504.00000000 NS USD 265826.88000000 0.574124438260 Long EC CORP US N 1 N N N Vontier Corp 549300VVSQLG4P5K4639 928881101 13620.00000000 NS USD 502578.00000000 1.085451975105 Long EC CORP US N 1 N N N Kadant Inc 549300K06LNJYBMPYP15 48282T104 582.00000000 NS USD 184755.90000000 0.399029914893 Long EC CORP US N 1 N N N First Hawaiian Inc 5493002DJSH46F5OLV06 32051X108 22479.00000000 NS USD 561075.84000000 1.211793748854 Long EC CORP US N 1 N N N JP Morgan US Government Money Market Fund 549300NQ5E5B7ZV4T516 4812C2270 65455.00000000 NS USD 65455.00000000 0.141367626578 Long STIV RF US N 1 N N Toll Brothers Inc 529900JB6IS9MSZGVR44 889478103 2242.00000000 NS USD 255879.46000000 0.552640317017 Long EC CORP US N 1 N N N Banc of California Inc 549300ZKWUJDP6LJ1X87 05990K106 18410.00000000 NS USD 258660.50000000 0.558646718731 Long EC CORP US N 1 N N N Chemours Co/The 549300M1BOLNXL8DOV14 163851108 17729.00000000 NS USD 202997.05000000 0.438426570329 Long EC CORP US N 1 N N N Pet Valu Holdings Ltd 2549004F77OUH5ES5L44 71584R105 11600.00000000 NS 281364.42000000 0.607681922832 Long EC CORP CA N 1 N N N Hasbro Inc 549300NUB6D2R1ITYR45 418056107 4743.00000000 NS USD 350128.26000000 0.756195876773 Long EC CORP US N 1 N N N Chefs' Warehouse Inc/The 549300JYEDC8C547E980 163086101 4088.00000000 NS USD 260855.28000000 0.563386934749 Long EC CORP US N 1 N N N Smith Douglas Homes Corp N/A 83207R107 6525.00000000 NS USD 126715.50000000 0.273676105502 Long EC CORP US N 1 N N N Regal Rexnord Corp QH78R09VCJGQKPBPYU33 758750103 2738.00000000 NS USD 396900.48000000 0.857213029492 Long EC CORP US N 1 N N N StandardAero Inc N/A 85423L103 10366.00000000 NS USD 328083.90000000 0.708585169376 Long EC CORP US N 1 N N N UMB Financial Corp 549300MGEH3N3CUCV828 902788108 4053.00000000 NS USD 426213.48000000 0.920522314312 Long EC CORP US N 1 N N N Viper Energy Inc 5299009LINL232255G03 927959106 9553.00000000 NS USD 364255.89000000 0.786708282583 Long EC CORP US N 1 N N N Northwestern Energy Group Inc 254900N1WG46G1VMDM34 668074305 10211.00000000 NS USD 523824.30000000 1.131339057903 Long EC CORP US N 1 N N N Simply Good Foods Co/The N/A 82900L102 9760.00000000 NS USD 308318.40000000 0.665896271307 Long EC CORP US N 1 N N N Black Hills Corp 3MGELCRSTNSAMJ962671 092113109 6669.00000000 NS USD 374130.90000000 0.808036015012 Long EC CORP US N 1 N N N Patrick Industries Inc 549300FZ5ZTCCJ3Z5W14 703343103 3244.00000000 NS USD 299323.88000000 0.646470193168 Long EC CORP US N 1 N N N Brixmor Property Group Inc 5299007UXW6Y0W2EGZ95 11120U105 14886.00000000 NS USD 387631.44000000 0.837194051790 Long EC CORP US N 1 N N N Two Harbors Investment Corp 549300ZUIBT6KH4HU823 90187B804 23693.00000000 NS USD 255173.61000000 0.551115844643 Long EC CORP US N 1 N N N Adtalem Global Education Inc 549300Z467EZLMODV621 00737L103 2071.00000000 NS USD 263493.33000000 0.569084511211 Long EC CORP US N 1 N N N Newell Brands Inc 549300LWGYFM1TVO1Z12 651229106 48814.00000000 NS USD 263595.60000000 0.569305390703 Long EC CORP US N 1 N N N Axis Capital Holdings Ltd 635400VD2NQBYAHMEM55 000000000 3838.00000000 NS USD 398461.16000000 0.860583736503 Long EC CORP BM N 1 N N N Flowserve Corp 6Y0GK87T6V7NJKZJVM41 34354P105 7399.00000000 NS USD 387337.65000000 0.836559533495 Long EC CORP US N 1 N N N Selective Insurance Group Inc 549300R3WGJWLE40R258 816300107 4293.00000000 NS USD 371988.45000000 0.803408819663 Long EC CORP US N 1 N N N Brunswick Corp/DE YM4O38W15AX4YLLQKU27 117043109 4554.00000000 NS USD 251562.96000000 0.543317677644 Long EC CORP US N 1 N N N Portland General Electric Co GJOUP9M7C39GLSK9R870 736508847 12149.00000000 NS USD 493613.87000000 1.066091532320 Long EC CORP US N 1 N N N Douglas Emmett Inc N/A 25960P109 18275.00000000 NS USD 274856.00000000 0.593625244378 Long EC CORP US N 1 N N N Thryv Holdings Inc N/A 886029206 24828.00000000 NS USD 301908.48000000 0.652052330020 Long EC CORP US N 1 N N N Popular Inc 5493008CARDZMVQ3LO89 733174700 5983.00000000 NS USD 659386.43000000 1.424121833428 Long EC CORP PR N 1 N N N ICON PLC 6354008SRQGEMC4XFI67 000000000 1837.00000000 NS USD 267191.65000000 0.577072025086 Long EC CORP IE N 1 N N N United Community Banks Inc/GA 549300GVW0FV66X3U703 90984P303 16056.00000000 NS USD 478308.24000000 1.033034919588 Long EC CORP US N 1 N N N Stewart Information Services Corp 529900TV1XI0PLKENU10 860372101 4495.00000000 NS USD 292624.50000000 0.632001085381 Long EC CORP US N 1 N N N Silgan Holdings Inc KAF673KJXD92C8KSLU49 827048109 9214.00000000 NS USD 499214.52000000 1.078187638008 Long EC CORP US N 1 N N N Grand Canyon Education Inc 529900XFER799IYOSW74 38526M106 2132.00000000 NS USD 402948.00000000 0.870274270789 Long EC CORP US N 1 N N N International Game Technology PLC 549300UQ6KHRCZDRGZ76 000000000 20518.00000000 NS USD 324389.58000000 0.700606294574 Long EC CORP GB N 1 N N N Organon & Co 549300AMCKY57OK2CO56 68622V106 14068.00000000 NS USD 136178.24000000 0.294113430302 Long EC CORP US N 1 N N N East West Bancorp Inc N/A 27579R104 4703.00000000 NS USD 474908.94000000 1.025693219595 Long EC CORP US N 1 N N N Bel Fuse Inc 2549009L4XYDBRRY6X39 077347300 4663.00000000 NS USD 455528.47000000 0.983835897070 Long EC CORP US N 1 N N N Albany International Corp L73WCPNCZIRSQGZTW097 012348108 6148.00000000 NS USD 431159.24000000 0.931204009413 Long EC CORP US N 1 N N N SLM Corp N/A 78442P106 15395.00000000 NS USD 504802.05000000 1.090255407537 Long EC CORP US N 1 N N N MFS Institutional Money Market Portfolio 5L2W638H85N8T1136O07 55291X109 832179.52000000 NS USD 832262.73000000 1.797494566186 Long EC RF US N 1 N N N FormFactor Inc 549300YCEEO6SZD1ZR61 346375108 10486.00000000 NS USD 360823.26000000 0.779294597516 Long EC CORP US N 1 N N N TechnipFMC PLC 549300D5I93QWCJTCK36 000000000 12591.00000000 NS USD 433634.04000000 0.936549003718 Long EC CORP GB N 1 N N N Envista Holdings Corp 549300BX623VURJZ5269 29415F104 19467.00000000 NS USD 380385.18000000 0.821543809979 Long EC CORP US N 1 N N N Cathay General Bancorp 549300K1SLJ8C97H5L68 149150104 11165.00000000 NS USD 508342.45000000 1.097901850821 Long EC CORP US N 1 N N N Urban Edge Properties N/A 91704F104 15873.00000000 NS USD 296190.18000000 0.639702127605 Long EC CORP US N 1 N N N Atlantic Union Bankshares Corp N/A 04911A107 9535.00000000 NS USD 298254.80000000 0.644161228196 Long EC CORP US N 1 N N N International Paper Co 824LMFJDH41EY779Q875 460146103 7416.00000000 NS USD 347291.28000000 0.750068657626 Long EC CORP US N 1 N N N Insight Enterprises Inc 529900S8991TYW6YP792 45765U103 2825.00000000 NS USD 390090.13000000 0.842504252230 Long EC CORP US N 1 N N N Hayward Holdings Inc N/A 421298100 29160.00000000 NS USD 402408.00000000 0.869107995968 Long EC CORP US N 1 N N N TriMas Corp 75G1WUQ8QK4P5MZOYD78 896215209 11650.00000000 NS USD 333306.50000000 0.719864774702 Long EC CORP US N 1 N N N Aspen Insurance Holdings Ltd 549300YX6HECG9XQCQ75 000000000 9157.00000000 NS USD 288170.79000000 0.622382104216 Long EC CORP BM N 1 N N N ONE Gas Inc 549300HXDWI0LATTX840 68235P108 5850.00000000 NS USD 420381.00000000 0.907925509565 Long EC CORP US N 1 N N N Columbia Sportswear Co 549300OTMCIEUXAH5Z60 198516106 2997.00000000 NS USD 183056.76000000 0.395360166378 Long EC CORP US N 1 N N N National Storage Affiliates Trust 529900FS06O8GOYNR108 637870106 584.00000000 NS USD 18682.16000000 0.040349134803 Long EC CORP US N 1 N N N Hancock Whitney Corp 549300GRNBWY8HIICT41 410120109 9406.00000000 NS USD 539904.40000000 1.166068346302 Long EC CORP US N 1 N N N Esab Corp 549300ZNV0SWBXEIWT04 29605J106 2889.00000000 NS USD 348268.95000000 0.752180198188 Long EC CORP US N 1 N N N Option Care Health Inc 549300DI3Q5ACSYJRI17 68404L201 14614.00000000 NS USD 474662.72000000 1.025161441473 Long EC CORP US N 1 N N N LKQ Corp DS830JTTZQN6GK0I2E41 501889208 8818.00000000 NS USD 326354.18000000 0.704849375151 Long EC CORP US N 1 N N N ACI Worldwide Inc 5493003BPVMZUJ6F5C02 004498101 7745.00000000 NS USD 355572.95000000 0.767955145015 Long EC CORP US N 1 N N N Smartstop Self Storage REIT Inc 549300EC266625K12S42 83192D402 11099.00000000 NS USD 402116.77000000 0.868479006680 Long EC CORP US N 1 N N N MDU Resources Group Inc N/A 552690109 11630.00000000 NS USD 193872.10000000 0.418718793625 Long EC CORP US N 1 N N N Texas Capital Bancshares Inc 549300466Q2SXRX0YM48 88224Q107 5722.00000000 NS USD 454326.80000000 0.981240568435 Long EC CORP US N 1 N N N Pacific Premier Bancorp Inc 549300Q1KIC3KLI0XG98 69478X105 27089.00000000 NS USD 571307.01000000 1.233890704320 Long EC CORP US N 1 N N N Quaker Chemical Corp 549300PJQ1R3WCWCPS54 747316107 2972.00000000 NS USD 332685.68000000 0.718523947417 Long EC CORP US N 1 N N N UGI Corp DX6GCWD4Q1JO9CRE5I40 902681105 13249.00000000 NS USD 482528.58000000 1.042149875652 Long EC CORP US N 1 N N N Antero Resources Corp APVBKPOULHUX7YZLKU17 03674X106 12756.00000000 NS USD 513811.68000000 1.109714119774 Long EC CORP US N 1 N N N Matador Resources Co 549300CI3Q2UUK5R4G79 576485205 8299.00000000 NS USD 396028.28000000 0.855329279680 Long EC CORP US N 1 N N N NCR Atleos Corp 9845005FC3S0VA714741 63001N106 18319.00000000 NS USD 522641.07000000 1.128783555393 Long EC CORP US N 1 N N N Lantheus Holdings Inc 5299005HUB5IOJGO7S39 516544103 2243.00000000 NS USD 183611.98000000 0.396559312870 Long EC CORP US N 1 N N N Concentra Group Holdings Parent Inc N/A 20603L102 21276.00000000 NS USD 437647.32000000 0.945216758181 Long EC CORP US N 1 N N N TriNet Group Inc 5299003FJVBETSFKE990 896288107 4557.00000000 NS USD 333298.98000000 0.719848533245 Long EC CORP US N 1 N N N Visteon Corp 549300MOVLYHRW4GGW78 92839U206 4250.00000000 NS USD 396525.00000000 0.856402079733 Long EC CORP US N 1 N N N Hexcel Corp S6Q7LW43WUBUHXY2QP69 428291108 7341.00000000 NS USD 414693.09000000 0.895640942506 Long EC CORP US N 1 N N N Rexford Industrial Realty Inc 549300MSLO0DF0EMX355 76169C100 10319.00000000 NS USD 367046.83000000 0.792736066002 Long EC CORP US N 1 N N N Utz Brands Inc N/A 918090101 15016.00000000 NS USD 188450.80000000 0.407010042361 Long EC CORP US N 1 N N N Chart Industries Inc EM7QGKC1GYOF3LSZSL80 16115Q308 1000.00000000 NS USD 164650.00000000 0.355605831733 Long EC CORP US N 1 N N N Everus Construction Group Inc 2549006JMMHR0KILT425 300426103 4784.00000000 NS USD 303927.52000000 0.656412988377 Long EC CORP US N 1 N N N Cousins Properties Inc 5493007XPYD5EJABN062 222795502 13470.00000000 NS USD 404504.10000000 0.873635086062 Long EC CORP US N 1 N N N Brookfield Infrastructure Corp 254900YTMKBFJAKUBO55 11276H106 2181.00000000 NS USD 90729.60000000 0.195954903558 Long EC CORP CA N 1 N N N Dana Inc KVWHW7YLZPFJM8QYNJ51 235825205 22374.00000000 NS USD 383714.10000000 0.828733505486 Long EC CORP US N 1 N N N M/I Homes Inc 5299005M71FH9CCSFB69 55305B101 3324.00000000 NS USD 372686.88000000 0.804917266557 Long EC CORP US N 1 N N N Element Solutions Inc 549300FLGN6P5CU20J91 28618M106 21470.00000000 NS USD 486295.50000000 1.050285549625 Long EC CORP US N 1 N N N Hanover Insurance Group Inc/The JJYR6MFKFF6CF8DBZ078 410867105 2611.00000000 NS USD 443530.57000000 0.957923214358 Long EC CORP US N 1 N N N Element Fleet Management Corp 5493000PGBS1C22ELQ16 286181201 14666.00000000 NS 367363.51000000 0.793420021391 Long EC CORP CA N 1 N N N CVB Financial Corp N/A 126600105 18913.00000000 NS USD 374288.27000000 0.808375897731 Long EC CORP US N 1 N N N Timken Co/The B0I35MLPFXZSE70ASS73 887389104 5320.00000000 NS USD 385966.00000000 0.833597087463 Long EC CORP US N 1 N N N 2025-07-15 MFS VARIABLE INSURANCE TRUST III James Byrne James Byrne Assistant Treasurer