Absci Corporation
Absci Corporation (ABSI) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · ABSI · as of Sep 30, 2025
Ownership Breakdown
150
Institutional Holders
▲ 14 vs Q2
$293.95M
Total Inst. Value
▲ $63.88M vs Q2
155.91M
Shares Outstanding
freeFloat 85.52%
96.70M
13F Shares Held
▲ 7.17M vs Q2
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
ABSI largest shareholders · institutional ownership
Q3 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
FMR LLC services-commercial physical & biological research | 22.08M | 17.31% | 17.31% | $67.13B | Nov 13, 2025 | ▲ 2.95M |
ARK INVESTMENT MANAGEMENT LLC services-commercial physical & biological research | 12.16M | 9.53% | 9.53% | $36.97B | Nov 12, 2025 | ▲ 2.12M |
BLACKROCK, INC. services-commercial physical & biological research | 10.58M | 8.29% | 8.29% | $32.17B | Nov 12, 2025 | ▲ 2.22M |
REDMILE GROUP, LLC services-commercial physical & biological research | 8.25M | 6.47% | 6.47% | $25.09B | Nov 14, 2025 | — held |
VANGUARD GROUP INC services-commercial physical & biological research | 7.28M | 5.71% | 5.71% | $22.14B | Nov 7, 2025 | ▲ 830.3K |
AMERIPRISE FINANCIAL INC services-commercial physical & biological research | 3.19M | 2.50% | 2.50% | $9.70B | Nov 14, 2025 | ▲ 625.5K |
GEODE CAPITAL MANAGEMENT, LLC services-commercial physical & biological research | 3.05M | 2.39% | 2.39% | $9.28B | Nov 12, 2025 | ▲ 607.5K |
MASSACHUSETTS FINANCIAL SERVICES CO /MA/ services-commercial physical & biological research | 2.21M | 1.73% | 1.73% | $6.71B | Oct 29, 2025 | ▼ 18.8K |
STATE STREET CORP services-commercial physical & biological research | 2.06M | 1.62% | 1.62% | $6.28B | Nov 14, 2025 | ▲ 261.9K |
HEIGHTS CAPITAL MANAGEMENT, INC services-commercial physical & biological research | 2.00M | 1.57% | 1.57% | $6.08B | Nov 18, 2025 | NEW |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q3 2025 vs prior quarter
Q3 2025
30
Increased
+12.88M shares2
New Positions
first time holders14
Decreased
−7.13M shares0
Sold Out
fully exitedNet shares change (top 50)
+5.75M
+12.88M / −7.13M
Net new holders
+18
2 new / 0 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
ABSI insider trading · insider activity
Source: SEC Form 4
Insiders have been net buyers of shares recently. Selling may be driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment.
1
Buy transactions
1
Sell transactions
1.00
Buy/Sell ratio
$0M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
Jonasson Zachariah CFO / CBO | May 31, 2026 | Tax Withhold | 8,319 | $6.75 | $56.2K | 491.5K | Form 4 ↗ |
Pangalos Menelas N director | May 13, 2026 | Purchase | 37,453 | $5.36 | $200.7K | 232.3K | Form 4 ↗ |
Busch Andreas Chief Innovation Officer | Mar 12, 2026 | Purchase | 100,000 | $2.29 | $229.0K | 421.4K | Form 4 ↗ |
Pangalos Menelas N director | Mar 2, 2026 | Award | 5,800 | — | — | 194.9K | Form 4 ↗ |
Pangalos Menelas N director | Mar 2, 2026 | Award | 22,800 | $2.80 | $63.8K | 22.8K | Form 4 ↗ |
Walker Shelby J. Chief Legal Officer | Mar 2, 2026 | Award | 356,300 | $2.80 | $997.6K | 356.3K | Form 4 ↗ |
Walker Shelby J. Chief Legal Officer | Mar 2, 2026 | Award | 90,300 | — | — | 149.6K | Form 4 ↗ |
Walker Shelby J. Chief Legal Officer | Mar 3, 2026 | Tax Withhold | 9,825 | $2.80 | $27.5K | 139.8K | Form 4 ↗ |
McClain Sean Chief Executive Officer | Mar 2, 2026 | Award | 406,200 | — | — | 8.74M | Form 4 ↗ |
McClain Sean Chief Executive Officer | Mar 3, 2026 | Tax Withhold | 25,316 | $2.80 | $70.9K | 8.72M | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
Absci Corporation (ABSI) is primarily owned by institutional investors, who hold approximately 62.0% of total shares outstanding. Company insiders own approximately 14.48%, while retail and public investors account for the remaining 23.50%.
The largest institutional shareholder of Absci Corporation is FMR LLC, holding approximately 22.08 million shares — equal to 17.31% of outstanding shares — as of September 30, 2025.
A total of 150 institutional investors currently hold ABSI stock, with a combined institutional value of approximately $293,950,091 as of the most recent 13F filing period.
Frequently asked questions
ABSI ownershipAbsci Corporation (ABSI) is primarily owned by institutional investors, who hold approximately 62.0% of shares. The largest shareholder is FMR LLC with a 17.31% stake. Company insiders hold 14.48%. Data sourced from SEC Form 13F as of September 30, 2025.