ImageneBio, Inc. (IMA) Ownership
IMA ownership summary
as of October 18, 2026- Institutions
- 54.6% of shares outstanding
- Insiders
- 16.19% of shares outstanding
- Shares outstanding
- 11.4M
- Float
- 5.8M shares available to trade
- Short interest
- 0.29% 33K shares short
- Days to cover
- 1.94 short interest down 5.1% vs prior month
- Institutions 54.59%
- Insiders 16.19%
- Other investors 29.21%
IMA top institutional holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | Bvf Inc | 9.84% | 1.1M | $4.5M | — | June 30, 2026 |
| 2 | Blue Owl Capital Holdings LP | 8.14% | 918K | $3.7M | −41,645 (−4.3%) | June 30, 2026 |
| 3 | Orbimed Advisors LLC | 8.06% | 909K | $3.7M | +530,713 (+140.2%) | June 30, 2026 |
| 4 | Cable Car Capital LLC | 6.93% | 782K | $3.2M | +26,850 (+3.6%) | June 30, 2026 |
| 5 | Omega Fund Management LLC | 4.04% | 455K | $1.8M | — | June 30, 2026 |
| 6 | RTW INVESTMENTS, LLC | 2.97% | 334K | $1.4M | — | June 30, 2026 |
| 7 | Vanguard Capital Management, LLC | 2.84% | 321K | $1.3M | −4,637 (−1.4%) | June 30, 2026 |
| 8 | Trails Edge Capital Partners, LP | 2.50% | 282K | $1.1M | +282,004 (0.0%) | June 30, 2026 |
| 9 | BML Capital Management LLC | 1.78% | 201K | $810,949 | — | June 30, 2026 |
| 10 | Monashee Investment Management LLC | 1.71% | 192K | $777,070 | +192,344 (0.0%) | June 30, 2026 |
| 11 | BlackRock Inc | 1.20% | 135K | $545,764 | +5,876 (+4.5%) | June 30, 2026 |
| 12 | Renaissance Technologies Corp | 0.77% | 87K | $351,197 | +5,234 (+6.4%) | June 30, 2026 |
| 13 | Adage Capital Partners Gp LLC | 0.59% | 67K | $269,331 | — | June 30, 2026 |
| 14 | Citadel Advisors Llc | 0.49% | 56K | $224,664 | −68,735 (−55.3%) | June 30, 2026 |
| 15 | Geode Capital Management, LLC | 0.47% | 54K | $216,188 | −6,417 (−10.7%) | June 30, 2026 |
| 16 | NEA Management Company, LLC | 0.44% | 50K | $202,020 | — | June 30, 2026 |
| 17 | NANO CAP NEW MILLENNIUM GROWTH FUND L P | 0.44% | 50K | $202,000 | +20,000 (+66.7%) | June 30, 2026 |
| 18 | HSBC Holdings PLC | 0.30% | 34K | $138,281 | −656 (−1.9%) | June 30, 2026 |
| 19 | Sofinnova Ventures | 0.28% | 32K | $128,811 | — | June 30, 2026 |
| 20 | Vanguard Fiduciary Trust Co | 0.24% | 27K | $110,999 | +189 (+0.7%) | June 30, 2026 |
Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 8 holders added 1.1M shares and 5 cut 122K.
IMA top mutual fund and ETF holders
17 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | Vanguard MStar Total Stk Mkt Idx Invest | 2.35% | 265K | $1.1M | — | August 31, 2026 |
| 2 | Worldwide Healthcare Ord | 1.20% | 136K | $547,485 | — | June 30, 2026 |
| 3 | BSF Systematic US Eq Abs Ret A2 USD | 0.35% | 40K | $160,182 | +39,649 (0.0%) | December 31, 2025 |
| 4 | Fidelity Extended Market Index | 0.23% | 26K | $104,365 | −139 (−0.5%) | August 31, 2026 |
| 5 | iShares Micro-Cap ETF | 0.23% | 25K | $102,919 | −176 (−0.7%) | September 30, 2026 |
| 6 | Nationwide Bailard Sm Cp Val M | 0.10% | 11K | $45,543 | +11,273 (0.0%) | August 31, 2026 |
| 7 | Fidelity Series Total Market Index | 0.06% | 7,299 | $29,488 | — | August 31, 2026 |
| 8 | Fidelity Total Market Index | 0.05% | 5,821 | $23,517 | — | August 31, 2026 |
| 9 | Fidelity Nasdaq Composite Index | 0.03% | 3,387 | $13,683 | — | August 31, 2026 |
| 10 | Vanguard Balanced Index Inv | 0.03% | 3,280 | $13,251 | — | August 31, 2026 |
| 11 | 1290 VT Micro Cap K | 0.02% | 1,787 | $7,219 | — | August 31, 2026 |
| 12 | Vanguard U.S. Eq Idx £ Acc | 0.01% | 602 | $2,432 | — | August 31, 2026 |
| 13 | Dimensional Global Core Equity USD Acc | <0.01% | 388 | $1,568 | — | August 31, 2026 |
| 14 | Dimensional International Core Eq Acc | <0.01% | 236 | $953 | — | August 31, 2026 |
| 15 | Dimensional Global Small Coms USD Acc | <0.01% | 194 | $784 | — | August 31, 2026 |
| 16 | Global Core Equity UCITS ETF USD Acc | <0.01% | 152 | $614 | — | September 30, 2026 |
| 17 | Guggenheim Active Allocation Fund | <0.01% | 26 | $105 | +13 (+100.0%) | May 31, 2026 |
Funds report holdings monthly or quarterly; dates differ by fund.
IMA insider transactions
latest 3| Date | Name | Transaction | Price | Shares | Value |
|---|---|---|---|---|---|
| 2025-12-24 | Joseph P Slattery | Buy | $5.99 | 16,000 | $95,840 |
| 2025-07-25 | David P Bonita | Buy | $29.90 | 83,611 | $2.5M |
| 2025-07-25 | Otello Stampacchia | Buy | $29.90 | 267,556 | $8.0M |
Reported trades by company officers, directors and other filers (including disclosures by members of Congress where EODHD lists them). "—" where the filing gives no share count.
IMA shares outstanding
Year-end shares outstanding, adjusted for splits.
Who owns IMA
Institutional investors own 54.6% of ImageneBio's shares and insiders 16.19%. The largest holder is Bvf Inc with 9.84% of the shares (1.1M), as of June 30, 2026. Among the top 20 institutions, 8 added shares and 5 reduced their stake in the latest filings. Short interest is 0.29% of the float, or 1.94 days of average trading volume. The share count rose 274.3% since 2019.
Related: IMA analyst forecast, IMA key metrics. See the IMA stock overview for the latest quote and news.
IMA ownership FAQ
Who owns the most ImageneBio stock?
The largest shareholders of ImageneBio are Bvf Inc (9.84%), Blue Owl Capital Holdings LP (8.14%), Orbimed Advisors LLC (8.06%), Cable Car Capital LLC (6.93%), Omega Fund Management LLC (4.04%).
What percentage of ImageneBio is owned by institutions?
Institutions hold 54.6% of ImageneBio's shares outstanding; insiders hold 16.19%.
Which funds own ImageneBio?
The largest fund holders of ImageneBio are Vanguard MStar Total Stk Mkt Idx Invest (2.35%), Worldwide Healthcare Ord (1.20%), BSF Systematic US Eq Abs Ret A2 USD (0.35%), Fidelity Extended Market Index (0.23%), iShares Micro-Cap ETF (0.23%).
What is ImageneBio's short interest?
33K shares of ImageneBio were sold short, 0.29% of the float; at the average daily volume it would take 1.94 days to cover.
Are insiders buying or selling ImageneBio?
Of the latest 3 reported insider transactions in ImageneBio (since July 25, 2025), 3 were purchases and 0 were sales.
How many shares of ImageneBio are outstanding?
ImageneBio has 11.4M shares outstanding, of which 5.8M are in the public float.