IGM Biosciences Ownership | Who Owns IGM Biosciences?
IGM Biosciences Ownership Summary
IGM Biosciences is owned by 29.13% institutional investors, 37.57% insiders, and 33.30% retail investors. Baker bros. advisors lp is the largest institutional shareholder, holding 6.75% of IGMS shares. US Small-Cap Growth II Equity Comp is the top mutual fund, with 2.99% of its assets in IGM Biosciences shares.
IGMS Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | IGM Biosciences | 29.13% | 37.57% | 33.30% |
| Sector | Healthcare Stocks | 279.42% | 10.64% | -190.05% |
| Industry | Biotech Stocks | 64.05% | 10.69% | 25.27% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Baker bros. advisors lp | 4.09M | 6.75% | $25.02M |
| Price t rowe associates inc /md/ | 3.57M | 5.88% | $21.81M |
| Artal group | 3.33M | 5.54% | $22.88M |
| Siren | 3.33M | 5.49% | $20.35M |
| Redmile group | 2.95M | 4.87% | $18.04M |
| Sanofi | 1.44M | 2.37% | $8.79M |
| Blackrock funding, inc. /de | 1.05M | 1.74% | $6.44M |
| Goldman sachs group | 978.49K | 1.61% | $5.98M |
| Vanguard group | 896.35K | 1.48% | $5.48M |
| Blackrock | 883.08K | 1.47% | $6.07M |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Sanofi | 1.44M | 5.04% | $8.79M |
| Redmile group | 2.95M | 1.26% | $18.04M |
| Siren | 3.33M | 0.90% | $20.35M |
| Artal group | 3.33M | 0.58% | $22.88M |
| Baker bros. advisors lp | 4.09M | 0.27% | $25.02M |
| Eagle bay advisors | 44.63K | 0.17% | $272.72K |
| China universal asset management | 7.23K | 0.00% | $44.15K |
| Woodline partners lp | 67.26K | 0.00% | $410.95K |
| Quest partners | 3.35K | 0.00% | $20.45K |
| Price t rowe associates inc /md/ | 3.57M | 0.00% | $21.81M |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Sanofi | 1.44M | 5.04% | 1.44M |
| Artal group | 3.33M | 0.58% | 250.00K |
| Blackrock funding, inc. /de | 1.05M | 0.00% | 154.11K |
| Blackrock | 883.08K | 0.00% | 125.12K |
| Two sigma investments, lp | 107.62K | 0.00% | 71.34K |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Ra capital management | - | - | -937.50K |
| Price t rowe associates inc /md/ | 3.57M | 0.00% | -445.26K |
| Gsa capital partners llp | - | - | -425.30K |
| Fmr | 473.43K | 0.00% | -346.10K |
| Goldman sachs group | 978.49K | 0.00% | -280.75K |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Sanofi | 1.44M | 5.04% | 1.44M | $8.79M |
| Aqr capital management | 12.23K | 0.00% | 12.23K | $84.02K |
| China universal asset management | 7.23K | 0.00% | 7.23K | $44.15K |
| Bnp paribas arbitrage, snc | 6.63K | - | 6.63K | $40.53K |
| Mirae asset global investments | 1.14K | - | 1.14K | $7.24K |
Sold Out
| Holder | Change |
|---|---|
| Point72 asia (singapore) pte. | -1.00 |
| Nelson, van denburg & campbell wealth management group | -3.00 |
| Farther finance advisors | -9.00 |
| Sterling capital management | -18.00 |
| Smartleaf asset management | -41.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Mar 31, 2025 | 80 | -8.05% | 17,818,944 | -17.81% | 29 | 2.28% | 42 | -4.55% | 26 | 44.44% |
| Dec 31, 2024 | 49 | -37.18% | 4,921,951 | -77.16% | 8 | 0.64% | 25 | -26.47% | 8 | -68.00% |
| Sep 30, 2024 | 78 | -8.24% | 21,552,420 | -3.19% | 35 | 2.59% | 34 | -35.85% | 25 | 66.67% |
| Jun 30, 2024 | 85 | -3.41% | 22,262,728 | -2.42% | 37 | 2.55% | 53 | 10.42% | 15 | -28.57% |
| Mar 31, 2024 | 88 | 18.92% | 22,815,546 | 4.28% | 38 | 2.83% | 48 | 29.73% | 21 | - |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| US Small-Cap Growth II Equity Comp | 1.78M | 2.99% | -189.87K |
| T. Rowe Price New Horizons | 1.78M | 2.99% | - |
| T. Rowe Price Health Sciences | 829.52K | 1.40% | -27.74K |
| Vanguard US Total Market Shares ETF | 461.05K | 0.77% | - |
| Fidelity Select Biotechnology | 455.82K | 0.77% | -149.99K |
| Vanguard Total Stock Mkt Idx Inv | 448.61K | 0.74% | - |
| T. Rowe Price New Horizons Tr-Z | 426.94K | 0.72% | 30.79K |
| T. Rowe Price New Horizons Tr-A | 426.94K | 0.71% | 30.79K |
| Vanguard Institutional Extnd Mkt Idx Tr | 275.55K | 0.46% | - |
| Invesco Dorsey Wright SmallCap Momt ETF | 224.31K | 0.38% | 406.00 |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| Jul 23, 2025 | Tahir Misbah | CHIEF FINANCIAL OFFICER | Sell | $11.13K |
| Jul 23, 2025 | Harler Mary Beth | Chief Executive Officer | Sell | $18.46K |
| Jul 23, 2025 | Decker Lisa Lynn | CHIEF BUSINESS OFFICER | Sell | $5.61K |
| Jun 16, 2025 | Weber Steven | PRINCIPAL ACCOUNTING OFFICER | Sell | $582.81 |
| Jun 16, 2025 | Tahir Misbah | CHIEF FINANCIAL OFFICER | Sell | $1.83K |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2025 Q3 | - | 3 |
| 2025 Q2 | - | 5 |
| 2025 Q1 | - | 5 |
| 2024 Q4 | - | 4 |
| 2024 Q3 | - | 8 |
IGMS Ownership FAQ
Try Tickergate Pro Free
Customize Everything. 100% Flexibility. Fast and Easy to Use (No code or Excel Needed)
Customize your own personal stocks lists, views and charts
Choose from hundreds of fields, up to 15 years of history
Conduct deep comparison analysis
Discover trending investment themes
Find your next best investment
Research stocks using tools