IGM Biosciences, Inc.
IGM Biosciences, Inc. is a biotechnology company in the healthcare sector on NASDAQ, led by Mary Beth Harler, M.D., with a market cap of $76.6M. As of Q3 2025, 0% of shares are held by 1 institutional investors, with Advisor Group Holdings, Inc. as the largest holder at -.
Overview
Overview of institutional ownership in IGMS as of Q3 2025 with a market cap of $76.6M
All Institutions
- Institutions
- 1
- Value Held
- $508.0
- Shares Held
- 400.0
- Avg Position
- $508.0
- Median Position
- $508.0
Hedge Funds
- Hedge Funds
- 0
- Value Held
- -
- Shares Held
- -
- Avg Position
- -
- Median Position
- -
Ownership Breakdown
Based on market cap of $76.6M as of Q3 2025. Institutional (non-HF) excludes hedge funds to avoid double counting.
Biggest Investors
Institutions with the largest positions in IGMS as of Q3 2025
| Institution | Position Value |
|---|---|
A Advisor Group Holdings, Inc. Institution | $508.0 0.00% of portfolio |
 TWO SIGMA ADVISERS, LLC Hedge Fund•Multi-Strategy | - 0.00% of portfolio |
B BAKER BROS. ADVISORS LP Hedge Fund•Sector | - 0.00% of portfolio |
 CWM, LLC RIA/Wealth | - 0.00% of portfolio |
 DEUTSCHE BANK AG\ Institution | - 0.00% of portfolio |
 Savant Capital, LLC RIA/Wealth | - 0.00% of portfolio |
G GF FUND MANAGEMENT CO. LTD. Institution | - 0.00% of portfolio |
S Siren, L.L.C. Institution | - 0.00% of portfolio |
 SCHWAB CHARLES INVESTMENT MANAGEMENT INC Long Only Manager | - 0.00% of portfolio |
 GEODE CAPITAL MANAGEMENT LLC ETF Provider | - 0.00% of portfolio |
Net Capital Flow
Institutional buying and selling activity for IGMS in Q3 2025
- Traded
- −$17.9M
- Buyers
- 0
- Sellers
- 65
- Total Bought
- +-
- Total Sold
- −$17.9M
- Avg Position
- $7.7
Biggest Buyers
| Institution | Net Bought | |
|---|---|---|
| No buyers found | ||
Biggest Sellers
| Institution | Net Sold |
|---|---|
B BAKER BROS. ADVISORS LP Hedge Fund•Sector | −$4.6M −4.1M shares |
S Siren, L.L.C. Institution | −$3.6M −3.3M shares |
R Redmile Group, LLC Hedge Fund•Sector | −$3.3M −3.0M shares |
S Sanofi Institution | −$1.6M −1.4M shares |
 GOLDMAN SACHS GROUP INC Institution | −$957.9K −855.3K shares |
 VANGUARD GROUP INC Institution | −$859.2K −767.2K shares |
B BlackRock, Inc. Institution | −$431.7K −385.5K shares |
 MILLENNIUM MANAGEMENT LLC Hedge Fund•Multi-Strategy | −$308.1K −275.1K shares |
GEODE CAPITAL MANAGEMENT LLC ETF Provider | −$239.0K −213.3K shares |
J JANE STREET GROUP, LLC Institution | −$202.7K −181.0K shares |
Entry and Exit Activity
Institutions that initiated new positions or completely exited IGMS in Q3 2025
- New Positions
- 0
- New Value
- -
- Exited Positions
- 65
- Exited Value
- $17.9M
New Positions
| Institution | Position Value |
|---|---|
| No new positions found | |
Exited Positions
| Institution | Previous Position |
|---|---|
B BAKER BROS. ADVISORS LP Hedge Fund•Sector | $4.6M 4.1M shares |
S Siren, L.L.C. Institution | $3.6M 3.3M shares |
R Redmile Group, LLC Hedge Fund•Sector | $3.3M 3.0M shares |
S Sanofi Institution | $1.6M 1.4M shares |
GOLDMAN SACHS GROUP INC Institution | $957.9K 855.3K shares |
VANGUARD GROUP INC Institution | $859.2K 767.2K shares |
B BlackRock, Inc. Institution | $431.7K 385.5K shares |
MILLENNIUM MANAGEMENT LLC Hedge Fund•Multi-Strategy | $308.1K 275.1K shares |
GEODE CAPITAL MANAGEMENT LLC ETF Provider | $239.0K 213.3K shares |
J JANE STREET GROUP, LLC Institution | $202.7K 181.0K shares |
Options Activity
Institutions with the largest Call and Put options positions in IGMS as of Q3 2025
- Call Positions
- 0
- Call Value
- -
- Put Positions
- 0
- Put Value
- -
Call Positions
| Institution | Position Value |
|---|---|
| No call positions found | |
Put Positions
| Institution | Position Value |
|---|---|
| No put positions found | |
Most Committed Institutions
Institutions with IGMS as the highest % of their portfolio as of Q3 2025
| Institution | Portfolio Weight |
|---|---|
A Advisor Group Holdings, Inc. Institution | 0.00% $508.0 |
TWO SIGMA ADVISERS, LLC Hedge Fund•Multi-Strategy | 0.00% - |
B BAKER BROS. ADVISORS LP Hedge Fund•Sector | 0.00% - |
CWM, LLC RIA/Wealth | 0.00% - |
DEUTSCHE BANK AG\ Institution | 0.00% - |
Savant Capital, LLC RIA/Wealth | 0.00% - |
G GF FUND MANAGEMENT CO. LTD. Institution | 0.00% - |
S Siren, L.L.C. Institution | 0.00% - |
SCHWAB CHARLES INVESTMENT MANAGEMENT INC Long Only Manager | 0.00% - |
GEODE CAPITAL MANAGEMENT LLC ETF Provider | 0.00% - |