Igm BiosciencesIGMS
13F holders, Q4 2024 (December 31)85holders +13
11new positions
4sold out
3famous investors
$6.11avg. 13F price*
At the end of Q4 2024, 85 institutions reported holding Igm Biosciences Inc. (IGMS) in their 13F filings, up 13 from Q3 2024. 11 opened new positions and 4 sold out. The largest holders were Baker Bros. Advisors LP ($25.0M), T. Rowe Price Associates Inc. ($21.8M) and Siren, L.L.C. ($20.3M). 3 famous investors held it, including Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio), Israel Englander (0.0% of Millennium Management's portfolio) and David E. Shaw (0.0% of D. E. Shaw & Co.'s portfolio).
- Company
- Igm Biosciences Inc.
- CUSIP
- 449585108
- Latest filing quarter
- Q3 2025
History
Number of 13F holders
Total Exit/New Position Q3 2024 → Q4 2024
| Institutions | Total Value | |
|---|---|---|
| New Positions | 11 | $685K |
| Exits | 4 | $5.3M |
All 13F filers, Q3 2024 → Q4 2024: 461,051 shares bought and 1,768,886 shares sold, net −1,307,835 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 85 holders
| Baker Bros. Advisors LP | 0.27% | Add +0.1% | 4,094,304 | $25.0M |
| T. Rowe Price Associates Inc. | 0.00% | Reduce -11.1% | 3,568,999 | $21.8M |
| Siren, L.L.C. | 0.90% | No change | 3,330,422 | $20.3M |
| Redmile Group, LLC | 1.26% | Reduce -3.9% | 2,952,131 | $18.0M |
| Sanofi | 5.04% | — | 1,438,975 | $8.8M |
| BlackRock, Inc. | 0.00% | Add +17.1% | 1,054,028 | $6.4M |
| Goldman Sachs Group Inc. | 0.00% | Reduce -22.3% | 978,485 | $6.0M |
| Vanguard Group Inc. | 0.00% | Add +0.7% | 896,350 | $5.5M |
| FMR LLC | 0.00% | Reduce -42.2% | 473,426 | $2.9M |
| State Street Corp. | 0.00% | Reduce -2.2% | 459,451 | $2.8M |
| Geode Capital Management, LLC | 0.00% | Add +3.4% | 409,133 | $2.5M |
| Northern Trust Corp. | 0.00% | Add +0.7% | 192,985 | $1.2M |
| TD Asset Management Inc | 0.00% | No change | 164,472 | $1.0M |
| Charles Schwab Investment Management Inc. | 0.00% | Add +6.4% | 157,843 | $964K |
| Rhenman & Partners Asset Management AB | 0.08% | Reduce -32.0% | 126,064 | $770K |
| Two Sigma Investments, LP | 0.00% | Add +196.7% | 107,620 | $658K |
| Wellington Management Group LLP | 0.00% | Add +2.8% | 101,055 | $617K |
| Bruce & Co., Inc. | 0.20% | No change | 100,000 | $611K |
| Morgan Stanley | 0.00% | Reduce -0.8% | 96,917 | $592K |
| Gsa Capital Partners LLP | 0.04% | Add +64.7% | 93,482 | $571K |
| Millennium Management | 0.00% | Reduce -36.9% | 83,468 | $510K |
| Renaissance Technologies | 0.00% | Add +14.0% | 75,800 | $463K |
| Manufacturers Life Insurance Company, The | 0.00% | Reduce -3.3% | 72,155 | $441K |
| Woodline Partners LP | 0.00% | No change | 67,259 | $411K |
| Bank of New York Mellon Corp | 0.00% | Add +2.5% | 47,497 | $290K |
| Nuveen Asset Management, LLC | 0.00% | No change | 45,015 | $275K |
| Eagle Bay Advisors LLC | 0.17% | No change | 44,635 | $273K |
| Alliancebernstein L.P. | 0.00% | Reduce -4.9% | 39,200 | $240K |
| Susquehanna Fundamental Investments, LLC | 0.00% | — | 36,369 | $222K |
| Independent Financial Group, LLC | 0.01% | New | 34,500 | $211K |
| Susquehanna International Group, LLP | 0.00% | Add +66.3% | 32,367 | $198K |
| Cubist Systematic Strategies, LLC | 0.00% | New | 30,148 | $184K |
| Cerity Partners LLC | 0.00% | No change | 10,500 | $174K |
| Barclays PLC | 0.00% | Add +22.0% | 26,303 | $161K |
| Rhumbline Advisers | 0.00% | Add +11.5% | 22,618 | $138K |
| HRT Financial LP | 0.00% | New | 21,762 | $132K |
| Royal Bank of Canada | 0.00% | Reduce -52.4% | 20,049 | $123K |
| Bank of America Corp. | 0.00% | Add +16.3% | 19,993 | $122K |
| Dimensional Fund Advisors LP | 0.00% | No change | 18,604 | $114K |
| Susquehanna Portfolio Strategies, LLC | 0.30% | Reduce -52.4% | 14,385 | $88K |
| Citigroup Inc. | 0.00% | Add +11.7% | 12,251 | $75K |
| Deutsche Bank AG | 0.00% | Add +0.2% | 11,227 | $69K |
| Exchange Traded Concepts, LLC | 0.00% | No change | 10,572 | $65K |
| UBS Group AG | 0.00% | Add +45.7% | 10,498 | $64K |
| Captrust Financial Advisors | 0.00% | No change | 10,201 | $62K |
| D. E. Shaw & Co. | 0.00% | Reduce -89.7% | 10,107 | $62K |
| Hamilton Wealth, LLC | 0.01% | New | 10,000 | $61K |
| JPMorgan Chase & Co. | 0.00% | Add +44.6% | 9,811 | $60K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Add +4.6% | 8,706 | $53K |
| Virtus Advisers, LLC | 0.02% | Reduce -25.5% | 8,649 | $53K |
| Corebridge Financial, Inc. | 0.00% | Reduce -6.0% | 7,625 | $47K |
| Wells Fargo & Company | 0.00% | Add +49.3% | 7,444 | $45K |
| China Universal Asset Management Co., Ltd. | 0.00% | New | 7,226 | $44K |
| BNP Paribas Financial Markets | 0.00% | New | 6,634 | $41K |
| New York State Common Retirement Fund | 0.00% | No change | 6,512 | $40K |
| Nisa Investment Advisors, LLC | 0.00% | Reduce -0.1% | 3,954 | $24K |
| Tower Research Capital LLC (TRC) | 0.00% | Add +270.2% | 3,439 | $21K |
| AlphaQuest LLC | 0.00% | Add +103.5% | 3,347 | $20K |
| Police & Firemen's Retirement System of New Jersey | 0.00% | — | 3,156 | $19K |
| Legal & General Group Plc | 0.00% | No change | 1,746 | $11K |
| Ameritas Investment Partners, Inc. | 0.00% | No change | 1,327 | $8K |
| Mirae Asset Global Investments Co., Ltd. | 0.00% | New | 1,136 | $7K |
| California State Teachers Retirement System | 0.00% | No change | 1,099 | $7K |
| GF Fund Management Co. LTD. | 0.00% | — | 716 | $4K |
| Point72 (DIFC) Ltd | 0.00% | New | 697 | $4K |
| Comerica Bank | 0.00% | No change | 617 | $4K |
| Simplex Trading, LLC | 0.00% | Add +38.9% | 561 | $3K |
| Smartleaf Asset Management LLC | 0.00% | No change | 434 | $3K |
| R Squared Ltd | 0.00% | — | 370 | $2K |
| Amalgamated Bank | 0.00% | No change | 351 | $2K |
| GAMMA Investing LLC | 0.00% | Add +263.8% | 251 | $2K |
| Lindbrook Capital, LLC | 0.00% | Add +4.9% | 194 | $1K |
| Caitong International Asset Management Co., Ltd | 0.00% | — | 169 | $1K |
| Versant Capital Management, Inc | 0.00% | No change | 169 | $1K |
| Cwm, LLC | 0.00% | Add +694.1% | 135 | $1K |
| Signaturefd, LLC | 0.00% | No change | 161 | $984 |
| Russell Investments Group, Ltd. | 0.00% | Reduce -85.8% | 131 | $800 |
| Osaic Holdings, Inc. | 0.00% | New | 96 | $586 |
| US Bancorp \de | 0.00% | Reduce -71.1% | 26 | $159 |
| PNC Financial Services Group, Inc. | 0.00% | No change | 23 | $141 |
| SBI Securities Co., Ltd. | 0.00% | — | 21 | $128 |
| Sterling Capital Management LLC | 0.00% | No change | 18 | $110 |
| Farther Finance Advisors, LLC | 0.00% | No change | 9 | $55 |
| Macquarie Group Ltd. | 0.00% | New | 3,342 | $20 |
| Point72 Asia (Singapore) Pte. Ltd. | 0.00% | New | 1 | $8 |
"% of holder's portfolio" is IGMS's weight in each manager's 13F, not the share of Igm Biosciences Inc. the manager owns.