Igm BiosciencesIGMS

13F holders, Q2 2024 (June 30)
82holders −5
11new positions
18sold out
7famous investors
$6.87avg. 13F price*

At the end of Q2 2024, 82 institutions reported holding Igm Biosciences Inc. (IGMS) in their 13F filings, down 5 from Q1 2024. 11 opened new positions and 18 sold out. The largest holders were Baker Bros. Advisors LP ($28.1M), T. Rowe Price Associates Inc. ($28.0M) and Artal Group S.A. ($22.9M). 7 famous investors held it, including Israel Englander (0.0% of Millennium Management's portfolio), David E. Shaw (0.0% of D. E. Shaw & Co.'s portfolio) and Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio).

Company
Igm Biosciences Inc.
CUSIP
449585108
Latest filing quarter
Q3 2025

History

Number of 13F holders

020406080100 Q1 2024: 87Q1 2024Q2 2024: 82Q2 2024Q3 2024: 72Q3 2024Q4 2024: 85Q4 2024Q1 2025: 79Q1 2025Q2 2025: 66Q2 2025Q3 2025: 1Q3 2025

Total Exit/New Position Q1 2024 → Q2 2024

InstitutionsTotal Value
New Positions11$1.5M
Exits18$11.0M

All 13F filers, Q1 2024 → Q2 2024: 1,430,364 shares bought and 2,008,344 shares sold, net −577,980 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 82 holders

Baker Bros. Advisors LP 0.37% Add +0.1% 4,090,316 $28.1M
T. Rowe Price Associates Inc. 0.00% Add +4.8% 4,075,091 $28.0M
Artal Group S.A. 0.59% Add +8.1% 3,330,422 $22.9M
Redmile Group, LLC 1.28% No change 3,072,478 $21.1M
Goldman Sachs Group Inc. 0.00% Add +4.3% 1,333,913 $9.2M
BlackRock Inc. 0.00% Add +16.5% 883,081 $6.1M
Vanguard Group Inc. 0.00% Add +2.9% 878,621 $6.0M
FMR LLC 0.00% Reduce -37.8% 818,873 $5.6M
State Street Corp. 0.00% Add +43.3% 457,616 $3.1M
Millennium Management 0.00% Reduce -43.7% 391,213 $2.7M
Geode Capital Management, LLC 0.00% Add +9.4% 367,681 $2.5M
Rhenman & Partners Asset Management AB 0.13% No change 195,000 $1.3M
TD Asset Management Inc 0.00% Add +3.4% 164,472 $1.1M
Samsara Biocapital, LLC 0.22% No change 154,664 $1.1M
Northern Trust Corp. 0.00% Reduce -1.8% 134,727 $926K
Charles Schwab Investment Management Inc. 0.00% Add +9.3% 132,330 $909K
D. E. Shaw & Co. 0.00% Add +40.7% 131,065 $900K
Morgan Stanley 0.00% Add +10.3% 111,511 $766K
Renaissance Technologies 0.00% Add +126.0% 108,693 $747K
Marshall Wace, LLP 0.00% Add +51.6% 107,267 $737K
Bruce & Co., Inc. 0.23% Add +53.9% 100,000 $687K
Woodline Partners LP 0.00% No change 75,000 $515K
ExodusPoint Capital Management, LP 0.01% Add +251.8% 71,503 $491K
Wellington Management Group LLP 0.00% Add +20.6% 68,965 $474K
Manufacturers Life Insurance Company, The 0.00% Reduce -2.2% 68,929 $474K
Pennant Investors, LP 0.12% No change 64,900 $446K
Corton Capital Inc. 0.23% New 63,336 $435K
Gsa Capital Partners LLP 0.03% Add +236.9% 61,981 $426K
Bank of New York Mellon Corp 0.00% Add +8.9% 53,980 $371K
Two Sigma Investments, LP 0.00% Add +190.4% 50,347 $346K
Hudson Bay Capital Management LP 0.00% New 46,119 $317K
Eagle Bay Advisors LLC 0.19% No change 44,635 $307K
Alliancebernstein L.P. 0.00% Add +27.6% 41,230 $283K
Nuveen Asset Management, LLC 0.00% No change 40,749 $280K
Dimensional Fund Advisors LP 0.00% Reduce -6.1% 37,034 $254K
Susquehanna Portfolio Strategies, LLC 0.01% No change 30,209 $208K
Point72 Asset Management 0.00% New 27,246 $187K
Verition Fund Management LLC 0.00% New 26,120 $179K
Bank of America Corp. 0.00% Add +9.2% 24,319 $167K
Panagora Asset Management Inc. 0.00% Add +0.4% 23,406 $161K
Rhumbline Advisers 0.00% Add +13.1% 22,726 $156K
Royal Bank of Canada 0.00% Add +7297.4% 22,340 $154K
Exchange Traded Concepts, LLC 0.00% Reduce -23.7% 21,307 $146K
XTX Topco Ltd 0.01% Add +70.9% 20,408 $140K
Jump Financial, LLC 0.00% New 19,200 $132K
American Century Companies Inc. 0.00% Reduce -1.8% 16,798 $115K
Susquehanna Fundamental Investments, LLC 0.00% Reduce -42.2% 16,028 $110K
Tudor Investment Corporation 0.00% New 14,537 $100K
Barclays PLC 0.00% Reduce -23.8% 14,527 $100K
Jane Street Group, LLC 0.00% Reduce -55.8% 13,743 $94K
AQR Capital Management 0.00% New 12,230 $84K
AlphaQuest LLC 0.01% Add +71.4% 11,913 $82K
Virtus Advisers, LLC 0.04% Reduce -14.5% 11,401 $78K
Deutsche Bank AG 0.00% Add +95.6% 10,849 $75K
Captrust Financial Advisors 0.00% No change 10,200 $70K
UBS Group AG 0.00% Reduce -36.9% 8,407 $58K
Corebridge Financial, Inc. 0.00% — 8,162 $56K
JPMorgan Chase & Co. 0.00% Add +21.2% 7,073 $49K
New York State Common Retirement Fund 0.00% Add +0.3% 6,512 $45K
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.00% — 6,508 $45K
Wells Fargo & Company 0.00% Add +6.1% 5,133 $35K
Nisa Investment Advisors, LLC 0.00% Reduce -0.1% 3,906 $27K
Tower Research Capital LLC (TRC) 0.00% Add +1306.2% 3,628 $25K
Citigroup Inc. 0.00% Add +31.5% 3,320 $23K
Cubist Systematic Strategies, LLC 0.00% New 3,300 $23K
Citadel Advisors 0.00% Reduce -85.0% 1,979 $14K
Legal & General Group Plc 0.00% Add +33.0% 1,361 $9K
Ameritas Investment Partners, Inc. 0.00% No change 1,327 $9K
California State Teachers Retirement System 0.00% Reduce -17.7% 1,099 $8K
Russell Investments Group, Ltd. 0.00% Add +882.7% 737 $5K
Simplex Trading, LLC 0.00% New 759 $5K
Comerica Bank 0.00% No change 617 $4K
Lanark Financial, Inc. 0.00% Add +233.3% 500 $3K
Group One Trading LLC 0.00% Add +7500.0% 304 $2K
Amalgamated Bank 0.00% No change 351 $2K
Quarry LP 0.00% New 197 $1K
Signaturefd, LLC 0.00% Add +2.1% 191 $1K
Osaic Holdings, Inc. 0.00% New 59 $405
PNC Financial Services Group, Inc. 0.00% Add +228.6% 23 $158
US Bancorp \de 0.00% No change 17 $117
Farther Finance Advisors, LLC 0.00% No change 9 $61
Cwm, LLC 0.00% Add +800.0% 9 $0

"% of holder's portfolio" is IGMS's weight in each manager's 13F, not the share of Igm Biosciences Inc. the manager owns.