iShares MBS ETF

NPORT-P false 0001491978 XXXXXXXX S000055516 C000174705 FlexShares Trust 811-22555 0001491978 5493007FU2RQX77I4604 50 South LaSalle Street Chicago 60603 800-595-9111 FlexShares Core Select Bond Fund S000055516 549300R1GL3F56H7RY73 2019-10-31 2019-10-31 N 26312391.53 13700.85 26298690.68 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 226671.59000000 N iShares MBS ETF 549300M0TH0IE2E6RP07 iShares MBS ETF 464288588 72578.00000000 NS USD 7866729.42000000 29.91300789731 Long RF US N 1 N N N iShares Long-Term Corporate Bond ETF 5493002XJCHL78PKW767 iShares Long-Term Corporate Bond ETF 464289511 32756.00000000 NS USD 2180239.36000000 8.290296222458 Long RF US N 1 N N N iShares Short-Term Corporate Bond ETF 549300T14S5IX7V5T008 iShares Short-Term Corporate Bond ETF 464288646 24326.00000000 NS USD 1308252.28000000 4.974590925147 Long RF US N 1 N N N N/A N/A U.S. Treasury 2 Year Note N/A 11.00000000 NC USD 3412.21000000 0.012974828448 N/A DIR US N 1 CME Clearing House LCZ7XYGSLJUHFXXNXD88 Long United States of America U.S. Treasury 2 Year Note 2019-12-31 2371617.19000000 USD 3412.21000000 N N N iShares 20+ Year Treasury Bond ETF 549300WWURKS1JGBZU59 iShares 20+ Year Treasury Bond ETF 464287432 14740.00000000 NS USD 2081877.60000000 7.916278514896 Long RF US N 1 N N N FlexShares Credit-Scored US Long Corporate Bond Index Fund 549300YA7N5SC1CJ0E61 FlexShares Credit-Scored US Long Corporate Bond Index Fund 33939L753 22893.00000000 NS USD 1318984.77000000 5.015400903601 Long RF US N 1 N N N United States of America 254900HROIFWPRGM1V77 U.S. Treasury Bills 912796TB5 165000.00000000 PA USD 164467.05000000 0.625381133993 Long STIV UST US N 2 2020-01-16 None 0.00000000 N N N N N N iShares 7-10 Year Treasury Bond ETF 549300XS1PPZG92M8L16 iShares 7-10 Year Treasury Bond ETF 464287440 11743.00000000 NS USD 1321204.93000000 5.023842996886 Long RF US N 1 N N N iShares 3-7 Year Treasury Bond ETF 549300BUGBHWMFPSNL42 iShares 3-7 Year Treasury Bond ETF 464288661 13456.00000000 NS USD 1708508.32000000 6.496552778193 Long RF US N 1 N N N FlexShares Credit-Scored US Corporate Bond Index Fund 549300EKPU2HRI5LC014 FlexShares Credit-Scored US Corporate Bond Index Fund 33939L761 139579.00000000 NS USD 7339063.82000000 27.90657492915 Long RF US N 1 N N N FlexShares iBoxx 5-Year Target Duration TIPS Index Fund 549300W6NMF4D4XNEC70 FlexShares iBoxx 5-Year Target Duration TIPS Index Fund 33939L605 30832.00000000 NS USD 785291.04000000 2.986046147906 Long RF US N 1 N N N 2019-12-30 FlexShares Trust Randal Rein Randal Rein Treasurer and PFO