IGM Biosciences, Inc. - 449585108

Detailed investor-level table based on 13F positions.
Early Q3 2025 data: only 1 institutional holders reported so far. The full shareholder list will grow as more funds file with the SEC.

Shareholders (13F)

Quarter: Q2 2025 · Compare: Q1 2025
13D/13G major owners: Ownership tab.
Methodology: Market value and % of portfolio use SEC reported VALUE ($000). For PUT/CALL positions this reflects reported underlying exposure, not premium cash paid/received. Details.
Rows: 0
Investor History Status Shares held Market value ($000) % of portfolio Previous % Rank Change in shares % change in shares Source Date reported
BAKER BROS. ADVISORS LP History Added to 4,096,210 4,587 0.04% 0.05% 1 +953 0.02% Q2 2025 Aug 14, 2025
Siren, L.L.C. History No change 3,255,826 3,646 0.19% 0.21% 2 0 0.0% Q2 2025 Aug 13, 2025
Redmile Group, LLC History New 2,952,131 3,306 0.35% 3 +2,952,131 New Q2 2025 Aug 14, 2025
Sanofi History New 1,438,975 1,611 0.92% 4 +1,438,975 New Q2 2025 Jul 29, 2025
GOLDMAN SACHS GROUP INC History Added to 855,286 957 0.0% 0.0% 5 +61,900 7.8% Q2 2025 Aug 14, 2025
VANGUARD GROUP INC History Reduced 767,154 859 0.0% 0.0% 6 -108,415 -12.38% Q2 2025 Aug 11, 2025
BlackRock, Inc. History Reduced 385,474 431 0.0% 0.0% 7 -645,050 -62.59% Q2 2025 Aug 12, 2025
MILLENNIUM MANAGEMENT LLC History New 275,112 308 0.0% 8 +275,112 New Q2 2025 Aug 14, 2025
GEODE CAPITAL MANAGEMENT, LLC History Reduced 213,273 238 0.0% 0.0% 9 -212,387 -49.9% Q2 2025 Aug 08, 2025
JANE STREET GROUP, LLC History New 180,985 202 0.0% 10 +180,985 New Q2 2025 Aug 14, 2025
AQR CAPITAL MANAGEMENT LLC History Reduced 164,209 183 0.0% 0.0% 11 -74,662 -31.26% Q2 2025 Aug 14, 2025
RENAISSANCE TECHNOLOGIES LLC History Added to 117,734 131 0.0% 0.0% 12 +82,434 233.52% Q2 2025 Aug 13, 2025
NORTHERN TRUST CORP History Reduced 107,568 120 0.0% 0.0% 13 -79,398 -42.47% Q2 2025 Aug 13, 2025
TWO SIGMA INVESTMENTS, LP History Reduced 104,290 116 0.0% 0.0% 14 -35,480 -25.38% Q2 2025 Aug 14, 2025
Eagle Bay Advisors LLC History New 99,635 111 0.09% 15 +99,635 New Q2 2025 Jul 11, 2025
CHARLES SCHWAB INVESTMENT MANAGEMENT INC History Reduced 89,705 100 0.0% 0.0% 16 -35,909 -28.59% Q2 2025 Aug 12, 2025
TWO SIGMA ADVISERS, LP History Reduced 82,700 92 0.0% 0.0% 17 -7,800 -8.62% Q2 2025 Aug 14, 2025
SUSQUEHANNA INTERNATIONAL GROUP, LLP History Added to 80,311 89 0.0% 0.0% 18 +55,131 218.95% Q2 2025 Aug 14, 2025
STATE STREET CORP History Reduced 75,913 85 0.0% 0.0% 19 -417,785 -84.62% Q2 2025 Aug 14, 2025
Woodline Partners LP History No change 69,576 77 0.0% 0.0% 20 0 0.0% Q2 2025 Aug 14, 2025
Verition Fund Management LLC History Reduced 48,962 54 0.0% 0.0% 21 -70,106 -58.88% Q2 2025 Aug 14, 2025
ACADIAN ASSET MANAGEMENT LLC History New 45,253 50 0.0% 22 +45,253 New Q2 2025 Aug 07, 2025
MARSHALL WACE, LLP History New 44,287 49 0.0% 23 +44,287 New Q2 2025 Aug 13, 2025
ROYAL BANK OF CANADA History Added to 40,728 45 0.0% 0.0% 24 +38,417 1662.35% Q2 2025 Nov 21, 2025
Qube Research & Technologies Ltd History Added to 39,340 44 0.0% 0.0% 25 +6,519 19.86% Q2 2025 Aug 14, 2025
PRICE T ROWE ASSOCIATES INC /MD/ History New 35,210 40 0.0% 26 +35,210 New Q2 2025 Aug 14, 2025
IEQ CAPITAL, LLC History Reduced 27,410 30 0.0% 0.0% 27 -10,012 -26.75% Q2 2025 Aug 14, 2025
XTX Topco Ltd History New 26,472 29 0.0% 28 +26,472 New Q2 2025 Aug 12, 2025
MORGAN STANLEY History Reduced 20,100 22 0.0% 0.0% 29 -14,404 -41.75% Q2 2025 Aug 14, 2025
SG Americas Securities, LLC History New 15,304 17 0.0% 30 +15,304 New Q2 2025 Aug 08, 2025
Vanguard Personalized Indexing Management, LLC History Added to 14,919 16 0.0% 0.0% 31 +1,078 7.79% Q2 2025 Jul 25, 2025
Tower Research Capital LLC (TRC) History Added to 13,436 15 0.0% 0.0% 32 +6,217 86.12% Q2 2025 Aug 15, 2025
CAPTRUST FINANCIAL ADVISORS History Reduced 12,575 14 0.0% 0.0% 33 -733 -5.51% Q2 2025 Aug 15, 2025
TWO SIGMA SECURITIES, LLC History New 11,950 13 0.0% 34 +11,950 New Q2 2025 Aug 14, 2025
Ground Swell Capital, LLC History New 11,833 13 0.02% 35 +11,833 New Q2 2025 Jul 31, 2025
CWM, LLC History New 11,268 13 0.0% 36 +11,268 New Q2 2025 Jul 25, 2025
Cerity Partners LLC History Reduced 11,923 13 0.0% 0.0% 37 -1,183 -9.03% Q2 2025 Aug 13, 2025
CITIGROUP INC History Reduced 8,988 10 0.0% 0.0% 38 -2,726 -23.27% Q2 2025 Aug 11, 2025
BANK OF AMERICA CORP /DE/ History Reduced 8,910 9 0.0% 0.0% 39 -2,383 -21.1% Q2 2025 Aug 14, 2025
DEUTSCHE BANK AG\ History Reduced 7,520 8 0.0% 0.0% 41 -39,253 -83.92% Q2 2025 Aug 12, 2025
FEDERATED HERMES, INC. History Added to 7,981 8 0.0% 0.0% 42 +1,959 32.53% Q2 2025 Aug 13, 2025
FMR LLC History Added to 7,333 8 0.0% 0.0% 40 +1,772 31.86% Q2 2025 Aug 14, 2025
AlphaQuest LLC History New 7,031 7 0.0% 43 +7,031 New Q2 2025 Jul 31, 2025
China Universal Asset Management Co., Ltd. History New 6,975 7 0.0% 44 +6,975 New Q2 2025 Aug 28, 2025
UBS Group AG History Reduced 4,627 5 0.0% 0.0% 45 -36,482 -88.74% Q2 2025 Aug 14, 2025
BARCLAYS PLC History Reduced 2,800 3 0.0% 0.0% 46 -16,378 -85.4% Q2 2025 Feb 27, 2026
BNP PARIBAS FINANCIAL MARKETS History Reduced 3,133 3 0.0% 0.0% 47 -9 -0.29% Q2 2025 Aug 14, 2025
RHUMBLINE ADVISERS History Reduced 976 1 0.0% 0.0% 50 -20,355 -95.42% Q2 2025 Aug 12, 2025
JPMORGAN CHASE & CO History Reduced 1,732 1 0.0% 0.0% 48 -8,206 -82.57% Q2 2025 Aug 12, 2025
RAYMOND JAMES FINANCIAL INC History New 1,325 1 0.0% 49 +1,325 New Q2 2025 Aug 14, 2025
Capital Advisors, Ltd. LLC History New 776 1 0.0% 52 +776 New Q2 2025 Jul 24, 2025
Mirae Asset Global Investments Co., Ltd. History Added to 1,342 1 0.0% 0.0% 51 +265 24.61% Q2 2025 Jul 21, 2025
Nuveen, LLC History Closed out 0 0 0.0% -45,015 -100.0% Q1 2025 May 12, 2025
Bank of New York Mellon Corp History Closed out 0 0 0.0% -44,123 -100.0% Q1 2025 Apr 29, 2025
ALLIANCEBERNSTEIN L.P. History Closed out 0 0 0.0% -39,200 -100.0% Q1 2025 May 15, 2025
Invesco Ltd. History Closed out 0 0 0.0% -36,127 -100.0% Q1 2025 May 12, 2025
CITADEL ADVISORS LLC History Closed out 0 0 0.0% -27,600 -100.0% Q1 2025 May 15, 2025
DIMENSIONAL FUND ADVISORS LP History Closed out 0 0 0.0% -18,376 -100.0% Q1 2025 May 13, 2025
WEALTH ENHANCEMENT ADVISORY SERVICES, LLC History Closed out 0 0 0.0% -11,584 -100.0% Q1 2025 Apr 16, 2025
INTECH INVESTMENT MANAGEMENT LLC History Closed out 0 0 0.0% -11,069 -100.0% Q1 2025 May 20, 2025
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. History Closed out 0 0 0.0% -9,096 -100.0% Q1 2025 May 15, 2025
WELLS FARGO & COMPANY/MN History Reduced 524 0 0.0% -7,084 -93.11% Q2 2025 Aug 14, 2025
NEW YORK STATE COMMON RETIREMENT FUND History Closed out 0 0 0.0% -6,512 -100.0% Q1 2025 Oct 08, 2025
Police & Firemen's Retirement System of New Jersey History Closed out 0 0 0.0% -3,156 -100.0% Q1 2025 May 09, 2025
COLDSTREAM CAPITAL MANAGEMENT INC History Closed out 0 0 0.0% -2,626 -100.0% Q1 2025 May 13, 2025
Legal & General Group Plc History Closed out 0 0 0.0% -1,746 -100.0% Q1 2025 May 15, 2025
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC History Closed out 0 0 0.0% -1,164 -100.0% Q1 2025 May 19, 2025
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM History Closed out 0 0 0.0% -1,099 -100.0% Q1 2025 May 15, 2025
PNC FINANCIAL SERVICES GROUP, INC. History Reduced 5 0 -849 -99.41% Q2 2025 Aug 08, 2025
EverSource Wealth Advisors, LLC History New 317 0 +317 New Q2 2025 Aug 13, 2025
NISA INVESTMENT ADVISORS, LLC History Reduced 563 0 -165 -22.66% Q2 2025 Jul 31, 2025
Clearstead Advisors, LLC History New 61 0 +61 New Q2 2025 Aug 08, 2025
Sterling Capital Management LLC History Closed out 0 0 -18 -100.0% Q1 2025 May 13, 2025
True Wealth Design, LLC History New 14 0 +14 New Q2 2025 Aug 06, 2025
US BANCORP \DE\ History No change 17 0 0 0.0% Q2 2025 Jul 24, 2025
OSAIC HOLDINGS, INC. History No change 400 0 0 0.0% Q2 2025 Sep 04, 2025
SBI Securities Co., Ltd. History No change 22 0 0 0.0% Q2 2025 Aug 08, 2025
GF FUND MANAGEMENT CO. LTD. History No change 716 0 0 0.0% Q2 2025 Jul 22, 2025