Abcam plc
Abcam plc (ABCM) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · ABCM · as of Dec 31, 2023
Ownership Breakdown
2
Institutional Holders
▼ 241 vs Q3
$29,821
Total Inst. Value
▼ $4.45B vs Q3
230.15M
Shares Outstanding
freeFloat 83.61%
1,755
13F Shares Held
▼ 196.80M vs Q3
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
ABCM largest shareholders · institutional ownership
Q4 2023 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
STATE OF WYOMING biological products, (no diagnostic substances) | 1.4K | 0.06% | 0.06% | $20.82M | Feb 15, 2024 | ▼ 7.0K |
RONALD BLUE TRUST, INC. biological products, (no diagnostic substances) | 385 | 0.02% | 0.02% | $9.00M | Jan 18, 2024 | NEW |
US BANCORP \DE\ biological products, (no diagnostic substances) | 0 | 0.00% | 0.00% | $0 | Feb 9, 2024 | EXIT |
BANK OF AMERICA CORP /DE/ biological products, (no diagnostic substances) | 0 | 0.00% | 0.00% | $0 | Feb 14, 2024 | EXIT |
WELLS FARGO & COMPANY/MN biological products, (no diagnostic substances) | 0 | 0.00% | 0.00% | $0 | Feb 9, 2024 | EXIT |
PRICE T ROWE ASSOCIATES INC /MD/ biological products, (no diagnostic substances) | 0 | 0.00% | 0.00% | $0 | Feb 16, 2024 | EXIT |
BARCLAYS PLC biological products, (no diagnostic substances) | 0 | 0.00% | 0.00% | $0 | Mar 24, 2026 | EXIT |
STATE STREET CORP biological products, (no diagnostic substances) | 0 | 0.00% | 0.00% | $0 | Feb 14, 2024 | EXIT |
FMR LLC biological products, (no diagnostic substances) | 0 | 0.00% | 0.00% | $0 | Feb 13, 2024 | EXIT |
M&T BANK CORP biological products, (no diagnostic substances) | 0 | 0.00% | 0.00% | $0 | Feb 6, 2024 | EXIT |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q4 2023 vs prior quarter
Q4 2023
0
Increased
+0 shares1
New Positions
first time holders1
Decreased
−7.0K shares48
Sold Out
fully exitedNet shares change (top 50)
7.0K
+0 / −7.0K
Net new holders
-48
1 new / 48 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
ABCM insider trading · insider activity
Source: SEC Form 4
Recent Insider Transactions
Showing 10 most recent · Common Stock only
No recent insider transactions reported.
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
Abcam plc (ABCM) is primarily owned by institutional investors, who hold approximately 0.0% of total shares outstanding. Company insiders own approximately 16.39%, while retail and public investors account for the remaining 83.61%.
The largest institutional shareholder of Abcam plc is STATE OF WYOMING, holding approximately 1,370 shares — equal to 0.06% of outstanding shares — as of December 31, 2023.
A total of 2 institutional investors currently hold ABCM stock, with a combined institutional value of approximately $29,821 as of the most recent 13F filing period.
Frequently asked questions
ABCM ownershipAbcam plc (ABCM) is primarily owned by institutional investors, who hold approximately 0.0% of shares. The largest shareholder is STATE OF WYOMING with a 0.06% stake. Company insiders hold 16.39%. Data sourced from SEC Form 13F as of December 31, 2023.