Form 13-F position report

IGM BIOSCIENCES INC COM

Reported by AQR CAPITAL MANAGEMENT LLC

Company profile Manager portfolio Source filing
IGMS CUSIP 449585108 Manager CIK 0001167557
Latest reported change

First reported at 238,871 shares this quarter.

New
% of reported 13F value < 0.01% This manager · Q1 2025
Shares 238,871 Quarter-end amount reported
Reported value $274,702 Fair value at quarter end
Consecutive quarters held 1 Through Q1 2025

Reported position value by quarter

Reported position value by quarter

Each bar is a Form 13-F quarter-end snapshot. It does not show trades made within the quarter.

Manager history

Quarterly position history

How this manager's reported quarter-end position changed over time.

5 quarters
Quarter Activity Shares Change % of reported 13F Reported value Filed
Q3 2025 Reduced 0 -164,209 (-100.0%) 0 $0 2025-11-14
Q2 2025 Reduced 164,209 -74,662 (-31.3%) < 0.01% $183,914 2025-08-14
Q1 2025 New 238,871 +238,871 (0.0%) < 0.01% $274,702 2025-05-15
Q3 2024 Reduced 0 -12,230 (-100.0%) 0 $0 2024-11-14
Q2 2024 New 12,230 +12,230 (0.0%) < 0.01% $84,020 2024-08-14
Five years are shown. A free account unlocks the complete reported history. Unlock full history
Institutional context

Who else reported the position

104 managers reported IGM BIOSCIENCES INC COM for Q1 2025.

Manager Activity Shares Change % of reported 13F Reported value Tenure
BAKER BROS ADVISORS LP Added 4,095,257 +953 0.05% $4,709,546 23 qtrs
Siren L L C Reduced 3,255,826 -74,596 0.21% $3,744,200 3 qtrs
Redmile Group LLC Unchanged 2,952,131 0 0.32% $3,394,951 23 qtrs
Sanofi Unchanged 1,438,975 0 1.0% $1,654,821 2 qtrs
BlackRock Inc Reduced 1,030,524 -23,504 < 0.01% $1,185,103 3 qtrs
VANGUARD GROUP INC Reduced 875,569 -20,781 < 0.01% $1,006,905 23 qtrs
The Goldman Sachs Group Inc Reduced 793,386 -185,099 < 0.01% $912,394 20 qtrs
STATE STREET CORPORATION Added 493,698 +34,247 < 0.01% $567,753 22 qtrs
GEODE CAPITAL MANAGEMENT LLC Added 425,660 +16,527 < 0.01% $489,654 22 qtrs
GSA CAPITAL PARTNERS LLP Added 425,303 +331,821 0.04% $489,000 18 qtrs
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Filing details and methodology As reported
Report period
March 31, 2025
Filed
May 15, 2025
Filing type
13F-HR
Position type
COM

Voting authority reported

Sole
238,871
Shared
0
None
0

“None” means the manager reported no voting authority for those shares on non-routine matters. It does not disclose why and is not evidence of securities lending.

Form 13-F is a delayed quarter-end snapshot of disclosed long Section 13(f) securities. It can be filed up to 45 days after quarter end, excludes short positions and most non-U.S. securities, and does not reveal intra-quarter trading. For options, reported shares and value describe the underlying-share exposure; strike, expiry, premium, and written positions are not disclosed.