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Time7:25 PM
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29 April 2026
CUSIP 449585108

IGM BIOSCIENCES INC

120 institutions · $23.9M total · 17,281,284 shares

#ManagerSharesValue% of TotalPeriod
1BAKER BROS. ADVISORS LP4,096,210$4.6M23.70%2025-06-30
2Siren, L.L.C.3,255,826$3.6M18.84%2025-06-30
3Redmile Group, LLC2,952,131$3.3M17.08%2025-06-30
4Sanofi1,438,975$1.6M8.32%2025-06-30
5Corton Capital Inc.66,768$1.1M0.38%2024-09-30
6TD Asset Management Inc164,472$1.0M0.95%2024-12-31
7GOLDMAN SACHS GROUP INC855,286$957.9K4.94%2025-06-30
8VANGUARD GROUP INC760,889$852.2K4.40%2025-06-30
9Rhenman & Partners Asset Management AB126,064$770.3K0.72%2024-12-31
10Erste Asset Management GmbH6,500$576.5K0.03%2024-09-30
11WELLINGTON MANAGEMENT GROUP LLP73,617$449.8K0.42%2024-12-31
12MANUFACTURERS LIFE INSURANCE COMPANY, THE72,155$440.9K0.41%2024-12-31
13MILLENNIUM MANAGEMENT LLC275,112$308.1K1.59%2025-06-30
14BlackRock, Inc.256,940$287.8K1.48%2025-06-30
15Nuveen Asset Management, LLC42,080$257.1K0.24%2024-12-31
16SUSQUEHANNA FUNDAMENTAL INVESTMENTS, LLC36,369$222.2K0.21%2024-12-31
17GEODE CAPITAL MANAGEMENT, LLC181,099$202.9K1.04%2025-06-30
18Point72 Asset Management, L.P.27,246$187.2K0.15%2024-09-30
19Jump Financial, LLC19,783$182.6K0.11%2024-09-30
20DEUTSCHE BANK AG\10,849$179.4K0.06%2025-06-30
21AQR CAPITAL MANAGEMENT LLC159,207$178.3K0.92%2025-06-30
22JANE STREET GROUP, LLC151,810$170.0K0.87%2025-06-30
23MetLife Investment Management, LLC8,997$148.8K0.05%2024-09-30
24CHARLES SCHWAB INVESTMENT MANAGEMENT INC125,614$144.5K0.72%2025-09-30
25RENAISSANCE TECHNOLOGIES LLC117,734$131.9K0.68%2025-06-30
26NORTHERN TRUST CORP107,568$120.5K0.62%2025-06-30
27TWO SIGMA INVESTMENTS, LP104,290$116.8K0.60%2025-06-30
28Bruce & Co., Inc.100,000$115.0K0.57%2025-03-31
29Eagle Bay Advisors LLC99,635$111.6K0.57%2025-06-30
30NEW YORK STATE COMMON RETIREMENT FUND6,495$110.5K0.03%2025-09-30
31TWO SIGMA ADVISERS, LP82,700$92.6K0.47%2025-06-30
32SUSQUEHANNA INTERNATIONAL GROUP, LLP80,311$89.9K0.46%2025-06-30
33Susquehanna Portfolio Strategies, LLC14,385$87.9K0.08%2024-12-31
34STATE STREET CORP75,913$85.0K0.43%2025-06-30
35Woodline Partners LP69,576$77.9K0.40%2025-06-30
36EXCHANGE TRADED CONCEPTS, LLC10,572$64.6K0.06%2024-12-31
37D. E. Shaw & Co., Inc.10,107$61.8K0.05%2024-12-31
38Hamilton Wealth, LLC10,000$61.1K0.05%2025-09-30
39Verition Fund Management LLC48,962$54.8K0.28%2025-06-30
40Virtus ETF Advisers LLC8,649$52.8K0.05%2024-12-31
41Nuveen, LLC42,080$48.4K0.24%2025-03-31
42ALLIANCEBERNSTEIN L.P.39,200$45.1K0.22%2025-03-31
43Qube Research & Technologies Ltd39,340$44.1K0.22%2025-06-30
44Royal Bank of Canada36,900$41.0K0.21%2025-09-30
45Invesco Ltd.32,408$37.3K0.18%2025-03-31
46Bank of New York Mellon Corp31,342$36.0K0.18%2025-03-31
47MARSHALL WACE, LLP31,826$35.6K0.18%2025-06-30
48CITADEL ADVISORS LLC26,800$30.8K0.15%2025-03-31
49IEQ CAPITAL, LLC27,410$30.7K0.15%2025-06-30
50XTX Topco Ltd26,472$29.6K0.15%2025-06-30
51Virtus Investment Advisers, Inc.19,974$23.0K0.11%2025-03-31
52Savant Capital, LLC19,946$22.3K0.11%2025-06-30
53CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM1,099$18.2K0.00%2025-03-31
54Vanguard Personalized Indexing Management, LLC14,919$16.7K0.08%2025-06-30
55Tower Research Capital LLC (TRC)13,436$15.0K0.07%2025-06-30
56CAPTRUST FINANCIAL ADVISORS12,575$14.1K0.07%2025-06-30
57Cubist Systematic Strategies, LLC12,316$13.8K0.07%2025-06-30
58TWO SIGMA SECURITIES, LLC11,950$13.4K0.06%2025-06-30
59Cerity Partners LLC11,923$13.4K0.06%2025-06-30
60WEALTH ENHANCEMENT ADVISORY SERVICES, LLC11,584$13.3K0.06%2025-03-31
61Ground Swell Capital, LLC11,833$13.3K0.06%2025-06-30
62INTECH INVESTMENT MANAGEMENT LLC11,069$12.7K0.06%2025-03-31
63Point72 Asia (Singapore) Pte. Ltd.11,133$12.5K0.06%2025-06-30
64MORGAN STANLEY10,808$12.1K0.06%2025-06-30
65DIMENSIONAL FUND ADVISORS LP9,321$10.7K0.05%2025-03-31
66MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.9,096$10.5K0.05%2025-03-31
67CITIGROUP INC8,776$9.8K0.05%2025-06-30
68Legal & General Group Plc1,023$9.8K0.00%2025-03-31
69FEDERATED HERMES, INC.7,981$8.9K0.04%2025-06-30
70Corebridge Financial, Inc.7,514$8.6K0.04%2025-03-31
71FMR LLC7,333$8.2K0.04%2025-06-30
72AlphaQuest LLC7,031$7.9K0.04%2025-06-30
73China Universal Asset Management Co., Ltd.6,975$7.8K0.04%2025-06-30
74BANK OF AMERICA CORP /DE/6,539$7.3K0.03%2025-06-30
75UBS Group AG4,627$5.2K0.02%2025-06-30
76COMERICA BANK617$3.8K0.00%2024-12-31
77Police & Firemen's Retirement System of New Jersey3,156$3.6K0.01%2025-03-31
78BNP PARIBAS ARBITRAGE, SNC3,133$3.5K0.01%2025-06-30
79BARCLAYS PLC2,720$3.0K0.01%2025-12-31
80COLDSTREAM CAPITAL MANAGEMENT INC2,626$3.0K0.01%2025-03-31
81CoreCap Advisors, LLC2,234$2.6K0.01%2025-03-31
82R Squared Ltd370$2.3K0.00%2024-12-31
83JPMORGAN CHASE & CO1,732$1.9K0.01%2025-06-30
84GAMMA Investing LLC251$1.5K0.00%2024-12-31
85Ameritas Investment Partners, Inc.1,327$1.5K0.00%2025-03-31
86Mirae Asset Global Investments Co., Ltd.1,342$1.5K0.00%2025-06-30
87RAYMOND JAMES FINANCIAL INC1,325$1.5K0.00%2025-06-30
88UBS ASSET MANAGEMENT AMERICAS INC1,164$1.3K0.00%2025-03-31
89Lindbrook Capital, LLC194$1.2K0.00%2024-12-31
90RHUMBLINE ADVISERS976$1.1K0.00%2025-06-30
91Versant Capital Management, Inc169$1.0K0.00%2024-12-31
92Caitong International Asset Management Co., Ltd169$1.0K0.00%2024-12-31
93SIGNATUREFD, LLC161$9840.00%2024-12-31
94GF FUND MANAGEMENT CO. LTD.716$8020.00%2025-06-30
95Russell Investments Group, Ltd.131$8000.00%2024-12-31
96NISA INVESTMENT ADVISORS, LLC563$6310.00%2025-06-30
97ADVISOR GROUP HOLDINGS, INC.400$5080.00%2025-09-30
98GSA CAPITAL PARTNERS LLP425,303$4892.46%2025-03-31
99Point72 (DIFC) Ltd388$4350.00%2025-06-30
100WELLS FARGO & COMPANY/MN331$3710.00%2025-06-30
101EverSource Wealth Advisors, LLC317$3550.00%2025-06-30
102HRT FINANCIAL LP21,762$1320.12%2024-12-31
103Clearstead Advisors, LLC61$690.00%2025-06-30
104Farther Finance Advisors, LLC9$550.00%2024-12-31
105Smartleaf Asset Management LLC41$500.00%2025-03-31
106ACADIAN ASSET MANAGEMENT LLC45,253$500.26%2025-06-30
107PRICE T ROWE ASSOCIATES INC /MD/35,210$400.20%2025-06-30
108SBI Securities Co., Ltd.22$250.00%2025-06-30
109Sterling Capital Management LLC18$210.00%2025-03-31
110MACQUARIE GROUP LTD3,342$200.01%2024-12-31
111US BANCORP \DE\17$190.00%2025-06-30
112SG Americas Securities, LLC15,304$170.08%2025-06-30
113True Wealth Design, LLC14$160.00%2025-06-30
114CWM, LLC11,268$130.06%2025-06-30
115PNC Financial Services Group, Inc.5$60.00%2025-06-30
116SIMPLEX TRADING, LLC561$30.00%2024-12-31
117Capital Advisors, Ltd. LLC776$10.00%2025-06-30
118NOMURA ASSET MANAGEMENT CO LTD0$00.00%2024-12-31
119AMALGAMATED BANK351$00.00%2025-03-31
120CONCOURSE FINANCIAL GROUP SECURITIES, INC.0$00.00%2025-06-30