Atreca, Inc.
Atreca, Inc. (BCEL) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · BCEL · as of Mar 31, 2024
Ownership Breakdown
5
Institutional Holders
▼ 34 vs Q4
$79,377
Total Inst. Value
▼ $1.16M vs Q4
39.65M
Shares Outstanding
freeFloat 69.44%
1.01M
13F Shares Held
▼ 8.42M vs Q4
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
BCEL largest shareholders · institutional ownership
Q1 2024 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
BILL & MELINDA GATES FOUNDATION pharmaceutical preparations | 912.6K | 2.32% | 2.32% | $73.01M | May 14, 2024 | — held |
XTX TOPCO LTD pharmaceutical preparations | 54.1K | 13.74% | 13.74% | $4.33M | May 13, 2024 | ▲ 32.9K |
ACADIAN ASSET MANAGEMENT LLC pharmaceutical preparations | 44.1K | 11.21% | 11.21% | $2.00M | May 10, 2024 | — held |
FEDERATION DES CAISSES DESJARDINS DU QUEBEC pharmaceutical preparations | 470 | 0.12% | 0.12% | $38,000 | May 15, 2024 | — held |
ASSETMARK, INC pharmaceutical preparations | 38 | 0.01% | 0.01% | $3,000 | May 7, 2024 | NEW |
BARCLAYS PLC pharmaceutical preparations | 0 | 0.00% | 0.00% | $0 | Mar 24, 2026 | EXIT |
VANGUARD GROUP INC pharmaceutical preparations | 0 | 0.00% | 0.00% | $0 | May 10, 2024 | EXIT |
WELLS FARGO & COMPANY/MN pharmaceutical preparations | 0 | 0.00% | 0.00% | $0 | May 10, 2024 | EXIT |
GOLDMAN SACHS GROUP INC pharmaceutical preparations | 0 | 0.00% | 0.00% | $0 | May 15, 2024 | EXIT |
STATE STREET CORP pharmaceutical preparations | 0 | 0.00% | 0.00% | $0 | May 15, 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
Q1 2024 vs prior quarter
Q1 2024
1
Increased
+32.9K shares1
New Positions
first time holders0
Decreased
−0 shares35
Sold Out
fully exitedNet shares change (top 50)
+32.9K
+32.9K / −0
Net new holders
-33
1 new / 35 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
BCEL insider trading · insider activity
Source: SEC Form 4
Insiders have been primarily selling shares recently. Selling may be driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment.
0
Buy transactions
4
Sell transactions
0.00
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 |
|---|---|---|---|---|---|---|---|
Orwin John A PRESIDENT & CEO | Apr 11, 2024 | Purchase | 1 | $0.01 | $0.01 | 1 | Form 4 ↗ |
Serafini Tito director | Apr 1, 2024 | Sale | 20,788 | $0.07 | $1.5K | 43.6K | Form 4 ↗ |
Orwin John A PRESIDENT & CEO | Sep 1, 2023 | Sale | 22,951 | $0.37 | $8.6K | 77.5K | Form 4 ↗ |
Serafini Tito director | Sep 1, 2023 | Sale | 8,393 | $0.37 | $3.1K | 64.4K | Form 4 ↗ |
Courtney Phillips GENERAL COUNSEL & SECRETARY | Sep 1, 2023 | Sale | 7,061 | $0.37 | $2.6K | 50.4K | Form 4 ↗ |
BAKER BROS. ADVISORS LP | Oct 19, 2023 | Sale | 251,902 | $0.40 | $101.4K | 2.97M | Form 4 ↗ |
BAKER BROS. ADVISORS LP | Oct 19, 2023 | Sale | 22,837 | $0.40 | $9.2K | 286.9K | Form 4 ↗ |
Serafini Tito Chief Strategy Officer | Aug 2, 2023 | Sale | 5,487 | $0.95 | $5.2K | 72.8K | Form 4 ↗ |
CROSS HERB Chief Financial Officer | Aug 2, 2023 | Sale | 5,487 | $0.95 | $5.2K | 72.8K | Form 4 ↗ |
Gould Stephen E Chief Scientific Officer | Aug 2, 2023 | Sale | 4,076 | $0.95 | $3.9K | 28.4K | 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
Atreca, Inc. (BCEL) is primarily owned by institutional investors, who hold approximately 2.5% of total shares outstanding. Company insiders own approximately 30.56%, while retail and public investors account for the remaining 66.89%.
The largest institutional shareholder of Atreca, Inc. is BILL & MELINDA GATES FOUNDATION, holding approximately 912,642 shares — equal to 2.32% of outstanding shares — as of March 31, 2024.
A total of 5 institutional investors currently hold BCEL stock, with a combined institutional value of approximately $79,377 as of the most recent 13F filing period.
Frequently asked questions
BCEL ownershipAtreca, Inc. (BCEL) is primarily owned by institutional investors, who hold approximately 2.5% of shares. The largest shareholder is BILL & MELINDA GATES FOUNDATION with a 2.32% stake. Company insiders hold 30.56%. Data sourced from SEC Form 13F as of March 31, 2024.