Abcellera Biologics
ABCL · NASDAQ
$11.71−$0.22 (−1.84%)TodayMarket closed ·
Prev close $11.93
Who owns ABCL
Largest institutional holders, from their latest 13F filings
The 10 largest institutions hold 47.8% of ABCL’s shares.
- Thermopylae Holdings Ltd18.4%
- Baker Bros. Advisors LP10.8%
- Capital World Investors4.4%
- Two Sigma Investments, LP3.4%
- Next 6 largest institutions10.7%
- All other shareholders52.2%
| Holder | Shares | % of shares |
|---|---|---|
| Thermopylae Holdings Ltd | 56.13M | 18.38% |
| Baker Bros. Advisors LP | 33.01M | 10.81% |
| Capital World Investors | 13.59M | 4.45% |
| Two Sigma Investments, LP | 10.44M | 3.42% |
| Lecault (Veronique) | 9.61M | 3.15% |
| TD Waterhouse Canada, Inc. | 9.57M | 3.13% |
| ArrowMark Colorado Holdings, LLC | 4.11M | 1.34% |
| Bank of America Private Bank | 3.54M | 1.16% |
| UBS Asset Management (Americas) LLC | 3.08M | 1.01% |
| Driehaus Capital Management, LLC | 2.86M | 0.94% |
Largest mutual fund holders
| Holder | Shares | % of shares |
|---|---|---|
| American Funds SMALLCAP World Fund | 13.23M | 4.33% |
| Acatis - Datini Valueflex Fonds | 1.86M | 0.61% |
| UBS (Lux) Digital Health Equity Fund | 1.76M | 0.58% |
| iShares Biotechnology ETF | 1.75M | 0.57% |
| Counterpoint Quantitative Equity ETF | 1.16M | 0.38% |
Insider trades
Form 4 filings by officers, directors and large holders
Over the last 6 months, insiders bought $1.64M (5 trades) of ABCL on the open market, with no sales.
| Insider | Type | Shares | Value |
|---|---|---|---|
| Hayden Michael R | Buy | 53.61K | $570.44K |
| Montalbano John S. | Buy | 10.00K | $110.30K |
| Booth Andrew | Buy | 37.20K | $383.90K |
| Hayden Michael R | Buy | 46.39K | $481.03K |
| Hayden Michael R | Gift | 50.00K | — |
| Sandor Victor | Award | 152.21K | — |
| Seely Lynn | Award | 152.21K | — |
| Montalbano John S. | Award | 111.70K | — |
| Quake Stephen | Award | 111.70K | — |
| Hayden Michael R | Award | 111.70K | — |
Short interest
Settled Sep 30, 2026
- Shares short
- 32.50M
- Days to cover
- 5.98
- % of shares outstanding
- 10.64%
- Average daily volume
- 5.43M
- Change since last report
- −4.2%
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