ARCUS BIOSCIENCES INC (RCUS)
Institutional ownership reported to the SEC as of Q2 2026, across 32 quarters.
Institutions report 122,674,604 shares against 127,333,376 outstanding. Shares only - option lines are excluded, which is why this can be compared with the company at all. The count comes from the cover page of the company's own most recent report, so it is dated when that was filed rather than at quarter end. A figure this high can overstate: where an adviser and a sub-adviser both report the same shares, both are counted.
Calls and puts are the parts of reported value carried in derivative lines rather than shares, and they point in opposite directions: a manager holding calls is positioned for the security, one holding puts against it - or hedging shares they already own, which is why index funds carry so many. Most sites add the two together and report one figure, which averages away the only interesting part.
Holders
| Filer | Value | Shares | Their book | Held | Change |
|---|---|---|---|---|---|
| GILEAD SCIENCES, INC. | $968.8M | 31,424,760 | 58.76% | 7q | HELD |
| BlackRock, Inc. | $506.1M | 16,416,249 | 0.01% | 8q | +7.8%+$36.7M |
| STATE STREET CORP | $185.9M | 6,029,484 | 0.01% | 31q | +11.4%+$19.0M |
| WELLINGTON MANAGEMENT GROUP LLP | $181.8M | 5,895,448 | 0.03% | 6q | -3.2%-$6.0M |
| MONTANOVA CAPITAL, LLC | $147.3M | 4,776,423 | 2.69% | 12q | -5.1%-$7.8M |
| VANGUARD PORTFOLIO MANAGEMENT LLC | $138.0M | 4,475,528 | 0.01% | 2q | +4.8%+$6.3M |
| FMR LLC | $124.9M | 4,049,757 | 0.01% | 26q | +247.5%+$88.9M |
| VANGUARD CAPITAL MANAGEMENT LLC | $119.9M | 3,888,346 | 0.00% | 2q | +0.8%+$974.9K |
| CITADEL ADVISORS LLC | $97.5M incl. $838.6K options CALL | 3,135,057 | 0.01% | 30q | +135.7%+$56.1M |
| Woodline Partners LP | $92.7M | 3,007,798 | 0.29% | 13q | -20.4%-$23.7M |
| GEODE CAPITAL MANAGEMENT, LLC | $75.5M | 2,448,749 | 0.00% | 31q | +8.7%+$6.1M |
| Siren, L.L.C. | $74.6M | 2,420,430 | 1.51% | 8q | -19.5%-$18.1M |
| Fisher Asset Management, LLC | $66.0M | 2,139,396 | 0.02% | 6q | -2.3%-$1.6M |
| MARSHALL WACE, LLP | $60.0M | 1,945,088 | 0.05% | 3q | -48.3%-$56.0M |
| SAMLYN CAPITAL, LLC | $47.7M | 1,547,182 | 0.78% | 3q | -18.9%-$11.1M |
| DIMENSIONAL FUND ADVISORS LP | $44.2M | 1,434,320 | 0.01% | 21q | +0.6%+$249.6K |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | $43.8M | 1,419,533 | 0.04% | 21q | -14.2%-$7.3M |
| GOLDMAN SACHS GROUP INC | $42.8M | 1,387,566 | 0.00% | 31q | +38.8%+$12.0M |
| Soleus Capital Management, L.P. | $36.0M | 1,168,738 | 1.24% | 3q | +158.6%+$22.1M |
| Sofinnova Investments, Inc. | $29.2M | 945,690 | 1.51% | 6q | +2.4%+$696.9K |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $29.0M | 941,756 | 0.00% | 31q | +4.2%+$1.2M |
| NORTHERN TRUST CORP | $28.7M | 932,523 | 0.00% | 31q | +11.0%+$2.8M |
| Parkman Healthcare Partners LLC | $28.3M | 919,266 | 2.90% | 25q | -23.9%-$8.9M |
| Invesco Ltd. | $26.1M | 845,233 | 0.00% | 26q | +3.0%+$752.7K |
| BAKER BROS. ADVISORS LP | $26.0M | 844,816 | 0.13% | 3q | +103.3%+$13.2M |
| BANK OF AMERICA CORP /DE/ | $25.8M | 835,504 | 0.00% | 31q | +29.3%+$5.8M |
| MORGAN STANLEY | $24.5M | 795,912 | 0.00% | 34q | -28.5%-$9.8M |
| Candriam S.C.A. | $20.4M | 661,981 | 0.09% | 4q | -16.3%-$4.0M |
| Aberdeen Group plc | $20.1M | 650,712 | 0.03% | 4q | -15.5%-$3.7M |
| Logos Global Management LP | $20.0M | 650,000 | 0.86% | 3q | -45.8%-$17.0M |
| TWO SIGMA INVESTMENTS, LP | $19.6M | 635,404 | 0.01% | 12q | +103.2%+$9.9M |
| VANGUARD FIDUCIARY TRUST CO | $19.0M | 616,088 | 0.00% | 2q | +5.7%+$1.0M |
| T. Rowe Price Investment Management, Inc. | $18.2M | 589,546 | 0.01% | new | NEW |
| Bank of New York Mellon Corp | $16.7M | 543,009 | 0.00% | 31q | +6.2%+$981.7K |
| JACOBS LEVY EQUITY MANAGEMENT, INC | $15.8M | 512,084 | 0.06% | 7q | +19.0%+$2.5M |
| Ikarian Capital, LLC | $15.6M | 504,559 | 1.68% | new | NEW |
| JPMORGAN CHASE & CO | $15.0M incl. $1.9M options CALL+PUT | 418,243 | 0.00% | 31q | +417.5%+$12.1M |
| Decheng Capital LLC | $14.3M | 464,779 | 1.96% | 11q | -2.7%-$402.0K |
| DAFNA Capital Management LLC | $13.6M | 441,829 | 2.60% | 26q | HELD |
| PRINCIPAL FINANCIAL GROUP INC | $13.1M | 423,366 | 0.01% | 23q | +2.3%+$295.6K |
| NOMURA ASSET MANAGEMENT INTERNATIONAL INC. | $11.7M | 379,100 | 0.02% | 3q | HELD |
| UBS Group AG | $11.4M | 369,056 | 0.00% | 23q | +27.8%+$2.5M |
| Patient Square Capital LP | $11.0M | 355,800 | 1.70% | 3q | +82.5%+$5.0M |
| DIADEMA PARTNERS LP | $10.7M incl. $3.8M options CALL | 223,810 | 1.36% | 2q | -6.0%-$686.7K |
| PDT Partners, LLC | $10.0M | 323,567 | 0.52% | 11q | -16.7%-$2.0M |
| Public Sector Pension Investment Board | $9.2M | 298,156 | 0.02% | 17q | -1.7%-$159.1K |
| FIRST TRUST ADVISORS LP | $8.4M | 271,434 | 0.00% | 2q | +1972.3%+$8.0M |
| Nuveen, LLC | $7.2M | 234,052 | 0.00% | 6q | +5.6%+$380.5K |
| Connor, Clark & Lunn Investment Management Ltd. | $6.9M | 225,008 | 0.01% | 4q | -20.1%-$1.7M |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | $6.9M incl. $6.7M options CALL+PUT | 7,488 | 0.00% | 25q | -94.8%-$125.5M |
| RHUMBLINE ADVISERS | $6.8M | 219,181 | 0.01% | 31q | -9.2%-$687.8K |
| Ensign Peak Advisors, Inc | $6.6M | 215,613 | 0.01% | 2q | -14.8%-$1.2M |
| Legal & General Group Plc | $5.9M | 191,560 | 0.00% | 31q | +1.5%+$89.7K |
| Rock Springs Capital Management LP | $5.5M | 180,000 | 0.27% | 3q | HELD |
| Swiss National Bank | $5.4M | 176,096 | 0.00% | 31q | +2.8%+$148.0K |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | $4.8M | 154,398 | 0.00% | 25q | -2.5%-$120.1K |
| BOOTHBAY FUND MANAGEMENT, LLC | $4.8M | 154,264 | 0.06% | new | NEW |
| AMERIPRISE FINANCIAL INC | $4.7M | 153,813 | 0.00% | 17q | -3.9%-$193.3K |
| BNP PARIBAS FINANCIAL MARKETS | $4.7M | 153,109 | 0.00% | 31q | -59.9%-$7.1M |
| PFM Health Sciences, LP | $4.7M | 152,129 | 0.40% | new | NEW |
| Hudson Bay Capital Management LP | $4.3M | 140,000 | 0.01% | 18q | -60.7%-$6.7M |
| Man Group plc | $4.2M | 137,763 | 0.01% | 2q | +70.4%+$1.8M |
| PLATINUM INVESTMENT MANAGEMENT LTD | $4.1M | 134,217 | 1.02% | 31q | HELD |
| MILLENNIUM MANAGEMENT LLC | $4.1M | 133,110 | 0.00% | new | NEW |
| Schonfeld Strategic Advisors LLC | $3.8M | 122,574 | 0.01% | 17q | -36.7%-$2.2M |
| CITIGROUP INC | $3.5M | 112,238 | 0.00% | 31q | +325.2%+$2.6M |
| SECTORAL ASSET MANAGEMENT INC | $3.4M | 110,870 | 2.39% | 24q | +146.0%+$2.0M |
| PRUDENTIAL FINANCIAL INC | $3.4M | 110,603 | 0.00% | 27q | +25.7%+$697.7K |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM | $3.0M | 97,410 | 0.00% | 31q | -7.9%-$257.9K |
| D. E. Shaw & Co., Inc. | $3.0M | 96,417 | 0.00% | 6q | -62.8%-$5.0M |
| DEUTSCHE BANK AG\ | $2.9M | 94,710 | 0.00% | 33q | +28.3%+$643.2K |
| NEW YORK STATE TEACHERS RETIREMENT SYSTEM | $2.9M | 92,431 | 0.01% | 17q | +3.1%+$86.5K |
| PRICE T ROWE ASSOCIATES INC /MD/ | $2.8M | 89,202 | 0.00% | 24q | +17.7%+$412.8K |
| ALLIANCEBERNSTEIN L.P. | $2.7M | 126,975 | 0.00% | 31q | +2.3%+$62.4K |
| Parallel Advisors, LLC | $2.7M | 86,557 | 0.04% | 29q | HELD |
| Odyssean, LLC | $2.6M | 85,497 | 0.43% | new | NEW |
| Tidal Investments LLC | $2.6M | 85,126 | 0.00% | 2q | -1.4%-$37.5K |
| AQR CAPITAL MANAGEMENT LLC | $2.6M | 83,861 | 0.00% | 11q | -2.8%-$75.0K |
| Tema ETFs LLC | $2.6M | 83,140 | 0.08% | 7q | +10.5%+$244.4K |
| WELLS FARGO & COMPANY/MN | $2.6M | 82,913 | 0.00% | 31q | +132.1%+$1.5M |
| Allianz Asset Management GmbH | $2.5M | 82,458 | 0.00% | new | NEW |
| STATE OF WISCONSIN INVESTMENT BOARD | $2.5M | 82,399 | 0.01% | 30q | +39.2%+$715.3K |
| Jump Financial, LLC | $2.5M | 82,036 | 0.02% | 2q | -39.6%-$1.7M |
| Russell Investments Group, Ltd. | $2.5M | 81,549 | 0.00% | 15q | +0.9%+$22.1K |
| Knott David M Jr | $2.5M | 81,241 | 1.32% | 6q | HELD |
| Thrivent Financial for Lutherans | $2.4M | 78,718 | 0.00% | 17q | +12.7%+$272.6K |
| Rafferty Asset Management, LLC | $2.2M | 71,725 | 0.01% | 25q | -37.7%-$1.3M |
| CANADA LIFE ASSURANCE Co | $2.2M | 70,518 | 0.00% | 27q | HELD |
| VANGUARD ASSET MANAGEMENT, Ltd | $2.0M | 63,528 | 0.00% | 2q | +13.6%+$234.9K |
| Caption Management, LLC | $1.9M | 62,000 | 0.01% | 3q | +286.7%+$1.4M |
| FRED ALGER MANAGEMENT, LLC | $1.9M | 60,494 | 0.01% | new | NEW |
| Persistent Asset Partners Ltd | $1.9M incl. $98.0K options CALL | 57,048 | 0.55% | 2q | -5.2%-$102.7K |
| NOMURA HOLDINGS INC | $1.8M CALL+PUT | options only | 0.00% | 5q | OPTIONS |
| BIT Capital GmbH | $1.8M | 60,000 | 0.05% | new | NEW |
| Corient Private Wealth LP | $1.8M | 59,127 | 0.00% | 5q | +144.9%+$1.1M |
| Zurcher Kantonalbank (Zurich Cantonalbank) | $1.8M | 59,021 | 0.00% | 25q | +15.7%+$246.5K |
| Quantinno Capital Management LP | $1.8M | 57,255 | 0.00% | 4q | +231.0%+$1.2M |
| RAYMOND JAMES FINANCIAL INC | $1.7M | 53,680 | 0.00% | 7q | +42.1%+$490.6K |
| Susquehanna Portfolio Strategies, LLC | $1.7M | 53,668 | 0.03% | 5q | -77.6%-$5.7M |
| WINTON GROUP Ltd | $1.6M | 52,398 | 0.05% | 4q | +59.7%+$603.6K |
Showing the largest 100 of 235 reported holders.
What the insiders did
Open market purchases and sales reported on Form 4 in the last 180 days. Grants, option exercises and shares surrendered to cover tax are left out: they are compensation rather than a decision to buy or sell. Where a broker filled one order in tranches the lines are summed, because it was one decision.
Officers and directors
| Date | Insider | Role | Side | Shares | Value |
|---|---|---|---|---|---|
| 2026-07-09 | Jaen Juan C. | President | Sold | 48,502 | $1.5M |
| 2026-07-10 | Jaen Juan C. | President | Sold | 20,067 | $574.3K ×2 |
| 2026-06-23 | Jaen Juan C. | President | Sold | 15,764 | $437.1K ×2 |
| 2026-06-22 | Jaen Juan C. | President | Sold | 9,236 | $249.7K |
| 2026-05-11 | Goeltz II Robert C. | Chief Financial Officer | Sold | 7,763 | $199.0K |
| 2026-06-24 | Jaen Juan C. | President | Sold | 6,431 | $190.7K |
Quarter by quarter
Coverage begins with the quarter ending 2018-12-31. Earlier filings exist only as occasional late amendments, too sparse to describe a market, so they are not shown.
| Quarter | Holders | Value | Shares | New | Added | Trimmed | Options |
|---|---|---|---|---|---|---|---|
| Q3 2026 | 44 | $10.7M | 416,181 | 9 | 13 | 7 | 0.0% |
| Q2 2026 | 235 | $3.8B | 122,674,604 | 48 | 86 | 63 | 0.5% |
| Q1 2026 | 212 | $2.6B | 119,104,471 | 30 | 79 | 56 | 0.6% |
| Q4 2025 | 212 | $3.0B | 121,446,564 | 44 | 93 | 39 | 3.3% |
| Q3 2025 | 187 | $1.4B | 100,674,188 | 29 | 58 | 58 | 3.4% |
| Q2 2025 | 183 | $840.1M | 99,802,349 | 24 | 78 | 52 | 3.3% |
| Q1 2025 | 186 | $765.7M | 97,252,342 | 27 | 100 | 28 | 0.3% |
| Q4 2024 | 186 | $1.3B | 83,922,968 | 15 | 57 | 64 | 0.6% |
| Q3 2024 | 186 | $822.3M | 53,382,608 | 19 | 69 | 69 | 0.7% |
| Q2 2024 | 193 | $801.0M | 52,203,286 | 38 | 59 | 64 | 0.7% |
| Q1 2024 | 173 | $1.0B | 54,641,727 | 20 | 57 | 56 | 0.8% |
| Q4 2023 | 186 | $1.1B | 53,858,443 | 22 | 59 | 64 | 2.1% |
| Q3 2023 | 185 | $987.9M | 52,891,112 | 29 | 51 | 68 | 3.9% |
| Q2 2023 | 180 | $1.2B | 54,702,709 | 26 | 56 | 65 | 4.3% |
| Q1 2023 | 180 | $1.1B | 58,960,857 | 26 | 68 | 57 | 1.6% |
| Q4 2022 | 202 | $1.1B | 53,779,783 | 48 | 61 | 63 | 1.9% |
| Q3 2022 | 167 | $1.5B | 55,588,787 | 23 | 72 | 45 | 0.7% |
| Q2 2022 | 163 | $1.4B | 55,361,465 | 53 | 57 | 31 | 3.2% |
| Q1 2022 | 149 | $3.8B | 119,887,320 | 33 | 40 | 48 | 0.9% |
| Q4 2021 | 141 | $2.6B | 62,780,048 | 29 | 42 | 46 | 0.7% |
| Q3 2021 | 126 | $4.0B | 114,169,977 | 16 | 30 | 45 | 0.2% |
| Q2 2021 | 130 | $3.7B | 133,965,165 | 20 | 43 | 46 | 0.6% |
| Q1 2021 | 146 | $1.6B | 57,951,800 | 24 | 46 | 45 | 1.0% |
| Q4 2020 | 144 | $1.6B | 60,940,797 | 36 | 40 | 48 | 0.8% |
| Q3 2020 | 125 | $970.5M | 56,132,589 | 19 | 54 | 36 | 0.9% |
| Q2 2020 | 140 | $1.5B | 58,628,293 | 61 | 47 | 22 | 0.3% |
| Q1 2020 | 92 | $746.4M | 53,775,800 | 25 | 22 | 27 | 0.0% |
| Q4 2019 | 74 | $380.1M | 37,627,920 | 10 | 30 | 15 | 0.0% |
| Q3 2019 | 72 | $341.9M | 37,573,302 | 8 | 32 | 19 | 0.0% |
| Q2 2019 | 74 | $303.7M | 38,219,414 | 18 | 25 | 11 | 0.0% |
| Q1 2019 | 61 | $451.4M | 36,141,758 | 8 | 20 | 14 | 0.0% |
| Q4 2018 | 64 | $417.7M | 38,781,616 | 3 | 2 | 1 | 0.0% |
