AbCellera Biologics Inc. (ABCL) ownership: Thermopylae Holdings Ltd. 49% · institutions 42% (13F 2026-03-31). Insider activity, 90 days: Insiders bought (0 sales, 4 open-market buys). SEC EDGAR first-party data.
| Holder | Shares | Market Value | % Outstanding | Reported |
|---|---|---|---|---|
| Baker BROS. Advisors LP | 30275938.00 | $105.66M | 9.9% | 2026-03-31 |
| Capital Group | 13361096.00 | $46.63M | 4.4% | 2026-03-31 |
| UBS | 11784528.00 | $41.13M | 3.9% | 2026-03-31 |
| Two Sigma | 10572228.00 | $36.90M | 3.5% | 2026-03-31 |
| TD Waterhouse Canada Inc. | 9564659.00 | $33.57M | 3.1% | 2026-03-31 |
| ArrowMark Colorado Holdings LLC | 4105095.00 | $14.33M | 1.3% | 2026-03-31 |
| BlackRock | 4040236.00 | $14.10M | 1.3% | 2026-03-31 |
| Driehaus Capital Management LLC | 4024779.00 | $14.05M | 1.3% | 2026-03-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Buy | null | 2026-08-24 | |
| Buy | null | 2026-08-18 | |
| Buy | null | 2026-08-14 | |
| Buy | null | 2026-08-12 | |
| Sell | null | 2026-08-11 | |
| Sell | null | 2026-07-01 | |
| Sell | null | 2026-07-01 | |
| Sell | null | 2026-06-11 |
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Institutional data from SEC Form 13F. Insider data from SEC Form 4. Congressional data from STOCK Act disclosures. Not personalized investment advice.