ABCELLERA BIOLOGICS INC ABCL
COM · Common Stock · CUSIP 00288U106
- SectorHealth care
- IndustryPharmaceutical Preparations
- FilingsSEC EDGAR
* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once. Holder counts are more reliable. Shares outstanding: 298.8m as of 2025-08-04, from the company's own SEC filing; the percentage can still exceed 100%: lent-out shares are counted by the lender and the buyer, and some reports overlap without saying so. Implied quarter-end price ≈ $3.44. Options: 7 managers hold calls ($3.5m notional), 5 hold puts ($1.8m).
Trends to Q2 2025
Institutional holders
Managers reporting a position, each quarter
Numbers
| Quarter | Holders |
|---|---|
| Q3 2022 | 191 |
| Q4 2022 | 204 |
| Q1 2023 | 184 |
| Q2 2023 | 171 |
| Q3 2023 | 139 |
| Q4 2023 | 144 |
| Q1 2024 | 155 |
| Q2 2024 | 149 |
| Q3 2024 | 140 |
| Q4 2024 | 147 |
| Q1 2025 | 130 |
| Q2 2025 | 129 |
Buyers vs sellers
Managers adding to or starting a position, vs cutting or selling out
Numbers
| Quarter | Bought or added | Cut or sold out |
|---|---|---|
| Q3 2023 | 56 | 90 |
| Q4 2023 | 67 | 54 |
| Q1 2024 | 74 | 56 |
| Q2 2024 | 56 | 73 |
| Q3 2024 | 69 | 61 |
| Q4 2024 | 64 | 56 |
| Q1 2025 | 44 | 76 |
| Q2 2025 | 56 | 61 |
Calls vs puts
Options held, notional value, last 4 quarters. P/C = puts ÷ calls
Numbers
| Quarter | Calls | Puts | P/C |
|---|---|---|---|
| Q3 2024 | $407.1k | $837.3k | 2.06 |
| Q4 2024 | $972.7k | $1.3m | 1.34 |
| Q1 2025 | $682.0k | $926.9k | 1.36 |
| Q2 2025 | $3.5m | $1.8m | 0.52 |
Biggest buyers
| MILLENNIUM MANAGEMENT LLC | Added | +2.5m |
| TWO SIGMA ADVISERS, LP | Added | +1.4m |
| CITADEL ADVISORS LLC | Added | +1.1m |
| TWO SIGMA INVESTMENTS, LP | Added | +984.1k |
| Driehaus Capital Management LLC | New | +499.9k |
| ROYAL BANK OF CANADA | Added | +420.8k |
| RENAISSANCE TECHNOLOGIES LLC | Added | +413.4k |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Added | +345.6k |
| BANK OF AMERICA CORP /DE/ | Added | +208.4k |
| Virtu Financial LLC | Added | +183.3k |
Biggest sellers
| VOYA INVESTMENT MANAGEMENT LLC | Sold out | -21.2m |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | Reduced | -7.2m |
| Prosight Management, LP | Sold out | -2.8m |
| UBS Group AG | Reduced | -1.6m |
| FEDERATED HERMES, INC. | Reduced | -894.8k |
| ORBIMED ADVISORS LLC | Reduced | -836.2k |
| BAILLIE GIFFORD & CO | Reduced | -835.8k |
| NOVO HOLDINGS A/S | Reduced | -474.4k |
| LAZARD ASSET MANAGEMENT LLC | Reduced | -323.4k |
| MORGAN STANLEY | Reduced | -294.1k |
Biggest calls
| SIMPLEX TRADING, LLC | Added | $1.4m414.8k shares |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Added | $1.1m309.1k shares |
| GROUP ONE TRADING LLC | Added | $548.1k159.8k shares |
| JANE STREET GROUP, LLC | Reduced | $157.4k45.9k shares |
| Caption Management, LLC | New | $137.2k40.0k shares |
| CITADEL ADVISORS LLC | Added | $129.7k37.8k shares |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | Unchanged | $00 shares |
Biggest puts
| CITADEL ADVISORS LLC | Added | $833.5k243.0k shares |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Added | $800.2k233.3k shares |
| GROUP ONE TRADING LLC | Reduced | $117.6k34.3k shares |
| SIMPLEX TRADING, LLC | Added | $57.0k16.8k shares |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | Unchanged | $00 shares |
Options at notional value: the value of the shares the contracts control, as filers report them, not what the options cost. Not included in the holders, shares or buying above.
Major shareholders (over 5%)
Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.
| Holder | Stake |
|---|---|
| BAKER BROS. ADVISORS LP 13G · institution filed 2026-05-07 | 10.8% |
Insider purchases and sales in Q2 2025
Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.
Officers and directors buying vs selling
Number of people, by quarter (10% owners not included)
Numbers
| Quarter | Buying | Bought | Selling | Sold | Sold under a plan |
|---|---|---|---|---|---|
| Q3 2023 | 2 | $379.0k | 0 | — | — |
| Q4 2023 | 1 | $137.4k | 0 | — | — |
| Q1 2024 | 0 | — | 0 | — | — |
| Q2 2024 | 0 | — | 0 | — | — |
| Q3 2024 | 0 | — | 0 | — | — |
| Q4 2024 | 0 | — | 0 | — | — |
| Q1 2025 | 1 | $197.9k | 0 | — | — |
| Q2 2025 | 0 | — | 0 | — | — |
None reported in Q2 2025.
Holders, Q2 2025
| Manager | Shares | Change |
|---|---|---|
| BAKER BROS. ADVISORS LP 0.92% of their portfolio | 27.5m $94.4m | Unchanged |
| Capital World Investors 0.01% of their portfolio | 13.4m $45.8m | Unchanged |
| BAILLIE GIFFORD & CO 0.03% of their portfolio | 10.4m $35.5m | Reduced -835.8k |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.01% of their portfolio | 8.5m $29.1m | Reduced -7.2m |
| TWO SIGMA INVESTMENTS, LP 0.03% of their portfolio | 4.1m $14.1m | Added +984.1k |
| ArrowMark Colorado Holdings LLC 0.25% of their portfolio | 4.1m $14.1m | Unchanged |
| TWO SIGMA ADVISERS, LP 0.03% of their portfolio | 4.1m $14.0m | Added +1.4m |
| BlackRock, Inc. 0.00% of their portfolio | 3.7m $12.6m | Added +104.6k |
| UBS Group AG 0.00% of their portfolio | 3.4m $11.8m | Reduced -1.6m |
| MILLENNIUM MANAGEMENT LLC 0.01% of their portfolio | 3.4m $11.7m | Added +2.5m |
| ORBIMED ADVISORS LLC 0.29% of their portfolio | 3.3m $11.5m | Reduced -836.2k |
| RENAISSANCE TECHNOLOGIES LLC 0.02% of their portfolio | 3.3m $11.3m | Added +413.4k |
| CITADEL ADVISORS LLC 0.01% of their portfolio | 2.9m $9.9m | Added +1.1m |
| TANG CAPITAL MANAGEMENT LLC 0.45% of their portfolio | 2.6m $8.9m | Unchanged |
| Guardian Partners Inc. 0.68% of their portfolio | 1.8m $7.5m | Unchanged |
| MORGAN STANLEY 0.00% of their portfolio | 996.9k $3.4m | Reduced -294.1k |
| ROYAL BANK OF CANADA 0.00% of their portfolio | 807.8k $2.8m | Added +420.8k |
| NOVO HOLDINGS A/S 0.16% of their portfolio | 652.5k $2.2m | Reduced -474.4k |
| NORGES BANK 0.00% of their portfolio | 630.9k $2.2m | Unchanged |
| STATE STREET CORP 0.00% of their portfolio | 614.3k $2.1m | Reduced -12.8k |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.00% of their portfolio | 594.3k $2.0m | Added +345.6k |
| Intellectus Partners, LLC 0.41% of their portfolio | 548.1k $1.9m | Unchanged |
| LAZARD ASSET MANAGEMENT LLC 0.00% of their portfolio | 509.8k $1.7m | Reduced -323.4k |
| Driehaus Capital Management LLC 0.01% of their portfolio | 499.9k $1.7m | New |
| HRT FINANCIAL LP 0.01% of their portfolio | 371.0k $1.3m | Added +177.7k |
| GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio | 363.2k $1.2m | Added +12.3k |
| Skandinaviska Enskilda Banken AB (publ) 0.01% of their portfolio | 340.3k $1.2m | Unchanged |
| PEAK6 LLC 0.02% of their portfolio | 273.2k $937.2k | Added +104.6k |
| OSAIC HOLDINGS, INC. 0.00% of their portfolio | 268.0k $919.2k | Added +52.2k |
| PIER 88 INVESTMENT PARTNERS LLC 0.16% of their portfolio | 244.2k $837.5k | Added +390 |
| GSA CAPITAL PARTNERS LLP 0.06% of their portfolio | 238.5k $818.0k | Reduced -28.4k |
| BANK OF AMERICA CORP /DE/ 0.00% of their portfolio | 224.4k $769.6k | Added +208.4k |
| GOLDMAN SACHS GROUP INC 0.00% of their portfolio | 218.7k $750.2k | Added +132.2k |
| Virtu Financial LLC 0.04% of their portfolio | 206.7k $709.0k | Added +183.3k |
| Polar Asset Management Partners Inc. 0.01% of their portfolio | 159.8k $548.1k | New |
| Graham Capital Management, L.P. 0.01% of their portfolio | 143.0k $490.6k | New |
| JPMORGAN CHASE & CO 0.00% of their portfolio | 135.4k $464.6k | Reduced -68.8k |
| GROUP ONE TRADING LLC 0.01% of their portfolio | 131.1k $449.6k | Added +50.3k |
| ArchPoint Investors 0.12% of their portfolio | 115.1k $394.6k | Unchanged |
| AMERICAN CENTURY COMPANIES INC 0.00% of their portfolio | 113.8k $390.2k | Reduced -2.9k |
| STIFEL FINANCIAL CORP 0.00% of their portfolio | 112.2k $385.0k | Added +44.6k |
| TrueMark Investments, LLC 0.08% of their portfolio | 111.1k $381.1k | Reduced -4.3k |
| JANE STREET GROUP, LLC 0.00% of their portfolio | 94.0k $322.4k | New |
| EntryPoint Capital, LLC 0.15% of their portfolio | 89.6k $307.2k | Reduced -98.3k |
| DekaBank Deutsche Girozentrale 0.00% of their portfolio | 87.0k $306.0k | Unchanged |
| NORTHERN TRUST CORP 0.00% of their portfolio | 75.8k $259.9k | Added +714 |
| BANK OF MONTREAL /CAN/ 0.00% of their portfolio | 70.1k $240.4k | Added +22.2k |
| XTX Topco Ltd 0.01% of their portfolio | 66.4k $227.9k | Added +21.2k |
| Brevan Howard Capital Management LP 0.00% of their portfolio | 65.6k $225.0k | Reduced -75.7k |
| PRELUDE CAPITAL MANAGEMENT, LLC 0.02% of their portfolio | 64.8k $222.3k | New |
| Erste Asset Management GmbH 0.00% of their portfolio | 62.0k $223.8k | Unchanged |
| China Universal Asset Management Co., Ltd. 0.02% of their portfolio | 59.9k $205.6k | Added +178 |
| Resolute Advisors LLC 0.05% of their portfolio | 57.5k $197.3k | Reduced -4.0k |
| Cerity Partners LLC 0.00% of their portfolio | 53.1k $182.0k | Unchanged |
| FEDERATED HERMES, INC. 0.00% of their portfolio | 53.0k $181.8k | Reduced -894.8k |
| D. E. Shaw & Co., Inc. 0.00% of their portfolio | 51.1k $175.2k | New |
| STATE OF MICHIGAN RETIREMENT SYSTEM 0.00% of their portfolio | 49.2k $168.8k | New |
| MARSHALL WACE, LLP 0.00% of their portfolio | 47.5k $162.9k | Unchanged |
| BARCLAYS PLC 0.00% of their portfolio | 43.0k $147.6k | Added +1.1k |
| Creative Planning 0.00% of their portfolio | 41.0k $140.6k | Added +2.7k |
| SIGNATURE ESTATE & INVESTMENT ADVISORS LLC 0.00% of their portfolio | 39.7k $136.1k | Unchanged |
| Headlands Technologies LLC 0.02% of their portfolio | 37.8k $129.6k | New |
| Invesco Ltd. 0.00% of their portfolio | 37.1k $127.3k | Added +13.0k |
| COMMONWEALTH EQUITY SERVICES, LLC 0.00% of their portfolio | 36.4k $125.0k | New |
| Balyasny Asset Management L.P. 0.00% of their portfolio | 34.9k $119.7k | Reduced -46.2k |
| XML Financial, LLC 0.01% of their portfolio | 34.5k $118.3k | New |
| Virtus Investment Advisers, LLC 0.03% of their portfolio | 29.9k $102.4k | Reduced -25.8k |
| Green Alpha Advisors, LLC 0.10% of their portfolio | 29.1k $99.8k | Reduced -8.3k |
| SCOTIA CAPITAL INC. 0.00% of their portfolio | 29.0k $99.6k | Added +13.0k |
| BRANDYWINE MANAGERS, LLC 0.10% of their portfolio | 28.5k $97.7k | Unchanged |
| RAYMOND JAMES FINANCIAL INC 0.00% of their portfolio | 28.0k $96.2k | Added +4.1k |
| CIBC WORLD MARKET INC. 0.00% of their portfolio | 25.1k $86.0k | Added +1.5k |
| Ballentine Partners, LLC 0.00% of their portfolio | 23.7k $81.3k | New |
| TD Waterhouse Canada Inc. 0.00% of their portfolio | 23.4k $81.3k | Reduced -87 |
| SG Americas Securities, LLC 0.00% of their portfolio | 22.0k $75.0k | Added +6.4k |
| HSBC HOLDINGS PLC 0.00% of their portfolio | 20.1k $71.3k | Reduced -251 |
| GEM Asset Management, LLC 0.04% of their portfolio | 20.0k $80.6k | Reduced -10.0k |
| Marex Group Ltd 0.00% of their portfolio | 20.0k $68.6k | New |
| ENVESTNET ASSET MANAGEMENT INC 0.00% of their portfolio | 18.3k $62.8k | Reduced -3.6k |
| LPL Financial LLC 0.00% of their portfolio | 18.2k $62.5k | New |
| JGP Global Gestao de Recursos Ltda. 0.03% of their portfolio | 17.3k $59.5k | Unchanged |
| Federation des caisses Desjardins du Quebec 0.00% of their portfolio | 17.3k $59.3k | Added +2.0k |
| Farther Finance Advisors, LLC 0.00% of their portfolio | 15.9k $54.5k | Unchanged |
| SALEM INVESTMENT COUNSELORS INC 0.00% of their portfolio | 15.6k $53.3k | Reduced -63.2k |
| Lantern Wealth Advisors, LLC 0.03% of their portfolio | 15.0k $51.5k | First filing |
| CITIGROUP INC 0.00% of their portfolio | 14.5k $49.6k | Added +10.1k |
| Squarepoint Ops LLC 0.00% of their portfolio | 14.3k $49.1k | Reduced -4.4k |
| HighTower Advisors, LLC 0.00% of their portfolio | 14.1k $48.4k | Reduced -7.4k |
| Cetera Investment Advisers 0.00% of their portfolio | 13.5k $46.3k | Reduced -763 |
| J2 Capital Management Inc 0.04% of their portfolio | 13.1k $44.9k | New |
| Pathstone Holdings, LLC 0.00% of their portfolio | 12.8k $43.9k | Reduced -8.1k |
| KESTRA PRIVATE WEALTH SERVICES, LLC 0.00% of their portfolio | 12.6k $43.2k | Unchanged |
| PFG Investments, LLC 0.00% of their portfolio | 12.5k $42.9k | Unchanged |
| Vanguard Personalized Indexing Management, LLC 0.00% of their portfolio | 12.5k $42.8k | Added +1.1k |
| Diametric Capital, LP 0.02% of their portfolio | 12.3k $42.2k | Reduced -929 |
| Moloney Securities Asset Management, LLC 0.01% of their portfolio | 12.0k $41.2k | Reduced -2.4k |
| WELLS FARGO & COMPANY/MN 0.00% of their portfolio | 11.8k $40.5k | Reduced -1.3k |
| Mirae Asset Global Investments Co., Ltd. 0.00% of their portfolio | 11.5k $39.5k | Added +1.6k |
| ProShare Advisors LLC 0.00% of their portfolio | 11.1k $38.2k | Reduced -2.3k |
| MISSION WEALTH MANAGEMENT, LP 0.00% of their portfolio | 10.7k $36.5k | Unchanged |