| 10.4M |
| $81.9M |
| -1.2% |
| 3.418% |
| 0.06% |
| 4 | TD Waterhouse Canada Inc. | 9.6M | $72.6M | +0.0% | 3.133% | 0.19% |
| 5 | BANK OF AMERICA CORP /DE/ | 6.1M | $48.2M | +104.7% | 2.011% | 0.00% |
| 6 | UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AME | 4.3M | $33.9M | -43.0% | 1.414% | 0.01% |
| 7 | ArrowMark Colorado Holdings LLC | 4.1M | $32.2M | 0.0% | 1.344% | 1.34% |
| 8 | BlackRock, Inc. | 3.8M | $29.9M | -5.8% | 1.246% | 0.00% |
| 9 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 3.1M | $24.5M | +42.2% | 1.022% | 0.00% |
| 10 | DRIEHAUS CAPITAL MANAGEMENT LLC | 2.9M | $22.5M | -28.8% | 0.938% | 0.13% |
| 11 | CITADEL ADVISORS LLC | 2.7M | $21.6M | +46.4% | 0.900% | 0.00% |
| 12 | UBS Group AG | 2.1M | $16.3M | -50.8% | 0.678% | 0.00% |
| 13 | TUDOR INVESTMENT CORP ET AL | 2.1M | $16.2M | -9.3% | 0.676% | 0.02% |
| 14 | MARSHALL WACE, LLP | 1.9M | $14.9M | +428.9% | 0.623% | 0.01% |
| 15 | MORGAN STANLEY | 1.7M | $13.1M | -25.0% | 0.546% | 0.00% |
| 16 | NATIONAL BANK OF CANADA /FI/ | 1.2M | $9.7M | +88415.0% | 0.404% | 0.01% |
| 17 | Daiwa Securities Group Inc. | 1.1M | $8.8M | — | 0.368% | 0.02% |
| 18 | ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 1.0M | $8.2M | — | 0.341% | 0.00% |
| 19 | RENAISSANCE TECHNOLOGIES LLC | 991K | $7.8M | -34.4% | 0.325% | 0.01% |
| 20 | Counterpoint Mutual Funds LLC | 972K | $7.6M | — | 0.318% | 0.75% |
| 21 | Sculptor Capital LP | 908K | $7.1M | — | 0.297% | 0.06% |
| 22 | BANK OF MONTREAL /CAN/ | 886K | $7.0M | +387.6% | 0.290% | 0.00% |
| 23 | STATE STREET CORP | 731K | $5.7M | +0.2% | 0.239% | 0.00% |
| 24 | DnB Asset Management AS | 677K | $5.3M | — | 0.222% | 0.01% |
| 25 | Guardian Partners Inc. | 596K | $4.7M | -66.6% | 0.195% | 0.42% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). “% of Fund” shows how much of that investor’s total 13F portfolio is invested in ABCL — a direct measure of their conviction.
Institutions that fully closed their ABCL position in Q2 2026
| 41.67% |
| +3.19 pp |
| $274M |
| 16% |
| Q4 2024 | 144 | +6.7% | 38.48% | +2.86 pp | $325M | +23% |
| Q3 2024 | 135 | — | 35.62% | — | $264M | — |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Δ columns compare to the immediately prior filed quarter.
39 institutions opened new positions in ABCL during Q2 2026, while 28 fully exited. 95 added to existing positions and 14 trimmed.
ABCL institutional ownership fell by 2.59 percentage points quarter-over-quarter, with a net change of +12 holders.
The top 10 institutions account for 75.9% of all reported 13F value in ABCL, and the top 25 account for 92.3%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.
AbCellera Biologics Inc. (ABCL) Institutional Ownership