Absci Corporation (ABSI) Ownership
ABSI ownership summary
as of October 18, 2026- Institutions
- 87.4% of shares outstanding
- Insiders
- 11.83% of shares outstanding
- Shares outstanding
- 171.6M
- Float
- 163.7M shares available to trade
- Short interest
- 26.55% 37.4M shares short
- Days to cover
- 9.50 short interest up 0.5% vs prior month
- Institutions 87.39%
- Insiders 11.83%
- Other investors 0.78%
ABSI top institutional holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | FMR Inc | 14.81% | 25.4M | $209.6M | +2.9M (+12.7%) | June 30, 2026 |
| 2 | ARK Investment Management LLC | 7.53% | 12.9M | $106.6M | −800,898 (−5.8%) | June 30, 2026 |
| 3 | BlackRock Inc | 7.09% | 12.2M | $100.4M | +920,108 (+8.2%) | June 30, 2026 |
| 4 | State Street Corp | 4.72% | 8.1M | $66.8M | +772,450 (+10.5%) | June 30, 2026 |
| 5 | Ameriprise Financial Inc | 4.07% | 7.0M | $57.7M | +3.8M (+119.9%) | June 30, 2026 |
| 6 | Redmile Group, LLC | 3.93% | 6.7M | $55.6M | −1.5M (−18.3%) | June 30, 2026 |
| 7 | Vanguard Capital Management, LLC | 3.57% | 6.1M | $50.5M | +236,037 (+4.0%) | June 30, 2026 |
| 8 | Advanced Micro Devices Inc | 3.33% | 5.7M | $47.1M | — | June 30, 2026 |
| 9 | Adage Capital Partners Gp LLC | 3.32% | 5.7M | $47.1M | +5.7M (0.0%) | June 30, 2026 |
| 10 | Two Sigma Investments LLC | 3.20% | 5.5M | $45.3M | +2.6M (+89.5%) | June 30, 2026 |
| 11 | D. E. Shaw & Co LP | 3.05% | 5.2M | $43.2M | +4.6M (+706.3%) | June 30, 2026 |
| 12 | Geode Capital Management, LLC | 2.09% | 3.6M | $29.6M | +240,095 (+7.2%) | June 30, 2026 |
| 13 | Woodline Partners LP | 1.57% | 2.7M | $22.3M | −599,494 (−18.2%) | June 30, 2026 |
| 14 | Siren, L.L.C. | 1.44% | 2.5M | $20.4M | +674,764 (+37.5%) | June 30, 2026 |
| 15 | Bvf Inc | 1.38% | 2.4M | $19.5M | +2.4M (0.0%) | June 30, 2026 |
| 16 | Gem Investment Advisors, LLC | 1.26% | 2.2M | $17.9M | — | June 30, 2026 |
| 17 | Baker Bros Advisors LP | 1.24% | 2.1M | $17.6M | — | June 30, 2026 |
| 18 | The Goldman Sachs Group Inc | 1.01% | 1.7M | $14.3M | +1.1M (+192.8%) | June 30, 2026 |
| 19 | Nuveen, LLC | 1.00% | 1.7M | $14.2M | +1.4M (+403.1%) | June 30, 2026 |
| 20 | VOLORIDGE INVESTMENT MANAGEMENT, LLC | 0.93% | 1.6M | $13.2M | +1.6M (0.0%) | June 30, 2026 |
Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 14 holders added 28.9M shares and 3 cut 2.9M.
ABSI top mutual fund and ETF holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | ARK Genomic Revolution ETF | 6.08% | 10.4M | $86.0M | +25,496 (+0.2%) | September 30, 2026 |
| 2 | Fidelity Growth Company Fund | 4.67% | 8.0M | $66.2M | +119,400 (+1.5%) | August 31, 2026 |
| 3 | State Street® SPDR® S&P® Biotech ETF | 2.90% | 5.0M | $41.1M | −95,150 (−1.9%) | September 30, 2026 |
| 4 | Vanguard MStar Total Stk Mkt Idx Invest | 2.60% | 4.5M | $36.8M | — | August 31, 2026 |
| 5 | iShares Russell 2000 ETF | 2.27% | 3.9M | $32.1M | −44,800 (−1.1%) | September 30, 2026 |
| 6 | ARK Venture D | 1.76% | 3.0M | $24.9M | +1.9M (+169.8%) | April 30, 2026 |
| 7 | Fidelity Growth Company K6 | 1.46% | 2.5M | $20.6M | +33,700 (+1.4%) | August 31, 2026 |
| 8 | Fidelity Series Growth Company | 1.26% | 2.2M | $17.9M | +29,200 (+1.4%) | August 31, 2026 |
| 9 | Fidelity Select Biotechnology | 0.92% | 1.6M | $13.0M | −5,200 (−0.3%) | August 31, 2026 |
| 10 | Fidelity Small Cap Index | 0.88% | 1.5M | $12.5M | +14,215 (+0.9%) | July 31, 2026 |
| 11 | Columbia Small Cap Growth Inst | 0.72% | 1.2M | $10.2M | — | August 31, 2026 |
| 12 | iShares Russell 2000 Growth ETF | 0.68% | 1.2M | $9.7M | −1,485 (−0.1%) | September 30, 2026 |
| 13 | iShares Biotechnology ETF | 0.67% | 1.2M | $9.5M | −8,736 (−0.8%) | September 30, 2026 |
| 14 | Nuveen Quant Small Cap Equity R6 | 0.57% | 975K | $8.0M | — | August 31, 2026 |
| 15 | Columbia Acorn Inst | 0.51% | 881K | $7.3M | — | August 31, 2026 |
| 16 | Schwab US Small-Cap ETF™ | 0.50% | 852K | $7.0M | +576 (+0.1%) | September 30, 2026 |
| 17 | Vanguard Russell 2000 ETF | 0.46% | 795K | $6.6M | +17,999 (+2.3%) | August 31, 2026 |
| 18 | Fidelity Extended Market Index | 0.39% | 668K | $5.5M | −16,257 (−2.4%) | August 31, 2026 |
| 19 | Alger Small Cap Growth A | 0.38% | 644K | $5.3M | — | July 31, 2026 |
| 20 | ARK Genomic Revolution ETF A USD Acc | 0.34% | 583K | $4.8M | — | September 30, 2026 |
Funds report holdings monthly or quarterly; dates differ by fund.
ABSI insider transactions
latest 5| Date | Name | Transaction | Price | Shares | Value |
|---|---|---|---|---|---|
| 2026-03-12 | Andreas Busch | Buy | $2.29 | 100,000 | $229,000 |
| 2026-02-02 | Sean Mcclain | Sell | $2.99 | 26,761 | $80,015 |
| 2025-09-22 | Menelas N Pangalos | Buy | $2.66 | 95,785 | $254,788 |
| 2025-09-22 | Todd Bedrick | Buy | $2.70 | 10,000 | $27,000 |
| 2025-07-28 | Andreas Busch | Buy | $3.04 | 50,000 | $152,000 |
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.
ABSI shares outstanding
Year-end shares outstanding, adjusted for splits.
Who owns ABSI
Institutional investors own 87.4% of Absci's shares and insiders 11.83%. The largest holder is FMR Inc with 14.81% of the shares (25.4M), as of June 30, 2026. Among the top 20 institutions, 14 added shares and 3 reduced their stake in the latest filings. Short interest is 26.55% of the float, or 9.50 days of average trading volume. The share count rose 904.1% since 2019.
Related: ABSI analyst forecast, ABSI key metrics. See the ABSI stock overview for the latest quote and news.
ABSI ownership FAQ
Who owns the most Absci stock?
The largest shareholders of Absci are FMR Inc (14.81%), ARK Investment Management LLC (7.53%), BlackRock Inc (7.09%), State Street Corp (4.72%), Ameriprise Financial Inc (4.07%).
What percentage of Absci is owned by institutions?
Institutions hold 87.4% of Absci's shares outstanding; insiders hold 11.83%.
Which funds own Absci?
The largest fund holders of Absci are ARK Genomic Revolution ETF (6.08%), Fidelity Growth Company Fund (4.67%), State Street® SPDR® S&P® Biotech ETF (2.90%), Vanguard MStar Total Stk Mkt Idx Invest (2.60%), iShares Russell 2000 ETF (2.27%).
What is Absci's short interest?
37.4M shares of Absci were sold short, 26.55% of the float; at the average daily volume it would take 9.50 days to cover.
Are insiders buying or selling Absci?
Of the latest 5 reported insider transactions in Absci (since July 28, 2025), 4 were purchases and 1 were sales.
How many shares of Absci are outstanding?
Absci has 171.6M shares outstanding, of which 163.7M are in the public float.