Form 485BPOS - Post-effective amendment [Rule 485(b)]:
SEC Accession No. 0001193125-26-082167
Filing Date
2026-02-27
Accepted
2026-02-27 15:00:24
Documents
153
Effectiveness Date
2026-02-28

Document Format Files

Seq Description Document Type Size
1 ALGER INSTITUTIONAL FUNDS d88255d485bpos.htm   iXBRL 485BPOS 4717917
2 EX-99.(D-4) d88255dex99d4.htm EX-99.(D-4) 9110
3 EX-99.(D-5) d88255dex99d5.htm EX-99.(D-5) 11976
4 EX-99.(J) d88255dex99j.htm EX-99.(J) 2017
5 EX-99.(P) d88255dex99p.htm EX-99.(P) 108918
6 EX-99.(Q) d88255dex99q.htm EX-99.(Q) 15655
9 GRAPHIC g88255g0217042745603.jpg GRAPHIC 4190
10 GRAPHIC g88255img0505d3886.jpg GRAPHIC 216118
11 GRAPHIC g88255img4beeca557.jpg GRAPHIC 226539
12 GRAPHIC g88255img4c36c0972.jpg GRAPHIC 227348
13 GRAPHIC g88255img592be1ee1.jpg GRAPHIC 160316
14 GRAPHIC g88255img6344a1729.jpg GRAPHIC 213367
15 GRAPHIC g88255img6f40ec3810.jpg GRAPHIC 213047
16 GRAPHIC g88255img9cd713ce11.jpg GRAPHIC 211497
17 GRAPHIC g88255imgc05a84ac3.jpg GRAPHIC 214864
18 GRAPHIC g88255imgc5be9e0a4.jpg GRAPHIC 221293
19 GRAPHIC g88255imgd9d892f32.jpg GRAPHIC 225538
20 GRAPHIC g88255imge192a1f95.jpg GRAPHIC 226971
21 GRAPHIC g88255imgec1da3ae8.jpg GRAPHIC 218001
22 GRAPHIC g88255imgff342bf31.jpg GRAPHIC 160316
23 GRAPHIC g597682img5fc00b571.jpg GRAPHIC 4315
  Complete submission text file 0001193125-26-082167.txt   15773093

Data Files

Seq Description Document Type Size
8 XBRL TAXONOMY EXTENSION SCHEMA af-20251031.xsd EX-101.SCH 1418039
158 EXTRACTED XBRL INSTANCE DOCUMENT d88255d485bpos_htm.xml XML 823781

Series and Classes/Contracts Information:

Existing
  Status Name Ticker Symbol
CIK 0000911415      
Series S000009201   Alger Focus Equity Fund
Class/Contract C000024998   Alger Focus Equity Fund Class I ALGRX
Class/Contract C000122071   Alger Focus Equity Fund Class A ALAFX
Class/Contract C000122072   Alger Focus Equity Fund Class C ALCFX
Class/Contract C000122073   Alger Focus Equity Fund Class Z ALZFX
Class/Contract C000179522   Alger Focus Equity Fund Class Y ALGYX
  Status Name Ticker Symbol
CIK 0000911415      
Series S000009202   Alger Small Cap Growth Institutional Fund
Class/Contract C000025000   Alger Small Cap Growth Institutional Fund Class I ALSRX
Class/Contract C000025001   Alger Small Cap Growth Institutional Fund Class R ASIRX
Class/Contract C000172687   Alger Small Cap Growth Institutional Fund Class Z-2 AISZX
  Status Name Ticker Symbol
CIK 0000911415      
Series S000009203   Alger Mid Cap Growth Institutional Fund
Class/Contract C000025002   Alger Mid Cap Growth Institutional Fund Class I ALMRX
Class/Contract C000025003   Alger Mid Cap Growth Institutional Fund Class R AGIRX
Class/Contract C000174228   Alger Mid Cap Growth Institutional Fund Class Z-2 ALMZX
  Status Name Ticker Symbol
CIK 0000911415      
Series S000009204   Alger Capital Appreciation Institutional Fund
Class/Contract C000025004   Alger Capital Appreciation Institutional Fund Class I ALARX
Class/Contract C000025005   Alger Capital Appreciation Institutional Fund Class R ACARX
Class/Contract C000174229   Alger Capital Appreciation Institutional Fund Class Z-2 ACIZX
Class/Contract C000179523   Alger Capital Appreciation Institutional Fund Class Y ACAYX
Mailing Address 100 PEARL STREET 27TH FLOOR NEW YORK NY 10004
Business Address 100 PEARL STREET 27TH FLOOR NEW YORK NY 10004 212-806-8800
ALGER INSTITUTIONAL FUNDS (Filer) CIK: 0000911415 (see all company filings)

EIN.: 000000000 | State of Incorp.: MA | Fiscal Year End: 1031
Type: 485BPOS | Act: 40 | File No.: 811-07986 | Film No.: 26698441

Mailing Address 100 PEARL STREET 27TH FLOOR NEW YORK NY 10004
Business Address 100 PEARL STREET 27TH FLOOR NEW YORK NY 10004 212-806-8800
ALGER INSTITUTIONAL FUNDS (Filer) CIK: 0000911415 (see all company filings)

EIN.: 000000000 | State of Incorp.: MA | Fiscal Year End: 1031
Type: 485BPOS | Act: 33 | File No.: 033-68124 | Film No.: 26698440