RCUS Institutional Ownership
Who owns Arcus Biosciences, Inc. and what the big funds did with it last quarter, from every SEC 13F filing. 230 funds reported holding RCUS at Jun 30, 2026, together owning 96.3% of the company.
- ▲130 buying vs 87 selling
- ▲Held by funds +2.7 pts
- ▲Funds holding +19
- ●Superinvestors: 2 added, 2 cut
- ●Put/call not meaningful
What the filings show, not a forecast. Positions can be up to 45 days old and leave out short sales.
Funds holding and ownership
8 quartersQuarter over quarter
all 13F filers| Q2 2026 | This quarter | Q1 2026 | Change |
|---|---|---|---|
| Funds holding | 230 | 211 | +9.0% |
| In funds' top 10 | 6 | 5 | +20.0% |
| 13F shares | 123M | 119M | +2.9% |
| Held by funds | 96.3% | 93.5% | +2.7 pts |
| New positions | 43 | 31 | +38.7% |
| Increased | 87 | 81 | +7.4% |
| Reduced | 63 | 56 | +12.5% |
| Sold out | 24 | 33 | −27.3% |
| Calls (shares) | 124K | 30K | +314.4% |
| Puts (shares) | 0 | 30K | −100.0% |
| Put/call ratio | 0.00 | 1.00 | −100.0% |
Buyers vs sellers
adding or new vs cutting or sold outSuperinvestors in RCUS
All superinvestors →
Who owns RCUS
share of fund held shares- Index and passive funds31.5%
- Active managers and hedge funds61.6%
- Banks and brokers6.0%
- Pensions, insurers and other0.9%
The top 10 holders own 67.8% of all RCUS shares that funds reported. Groups are our own grouping of filers by name.
Put/call ratio
funds' options, market makers left outAbove 1 means funds hold more puts than calls, a sign of hedging or bets on a fall. Options are valued at the underlying shares.
Filed so far for Q3 2026
39 funds changed their position- Strs OhioSold out−39K sh
- Principal Financial Group IncAdded+16K sh
- State of Alaska, Department of RevenueTrimmed−13K sh
- Caitong International Asset Management Co., LtdAdded+10K sh
- Seelaus Asset Management LLCSold out−6,540 sh
🔒 Free account: see all 20.
Top holders
Q2 2026| # | Fund | Of company | Shares | Value | Change |
|---|---|---|---|---|---|
| 1 | Gilead Sciences, Inc. | 24.68% | 31.4M | $969M | 0 |
| 2 | BlackRock, Inc. | 12.89% | 16.4M | $506M | +1.2M |
| 3 | State Street Corp | 4.74% | 6M | $186M | +617K |
| 4 | Wellington Management Group LLP | 4.63% | 5.9M | $182M | −194K |
| 5 | Montanova Capital, LLC | 3.75% | 4.8M | $147M | −255K |
| 6 | Vanguard Portfolio Management LLC | 3.51% | 4.5M | $138M | +203K |
| 7 | Fmr LLC | 3.18% | 4M | $125M | +2.9M |
| 8 | Vanguard Capital Management LLC | 3.05% | 3.9M | $120M | +32K |
| 9 | Citadel Advisors LLC | 2.46% | 3.1M | $96.7M | +1.8M |
| 10 | Woodline Partners LP | 2.36% | 3M | $92.7M | −770K |
- Fmr LLC+2.9M sh+$88.9M
- Citadel Advisors LLC+1.8M sh+$55.7M
- BlackRock, Inc.+1.2M sh+$36.7M
- Soleus Capital Management, L.P.+717K sh+$22.1M
- State Street Corp+617K sh+$19M
- T. Rowe Price Investment Management, Inc.+590K sh+$18.2M
- Ikarian Capital, LLC+505K sh+$15.6M
- Baker Bros. Advisors LP+429K sh+$13.2M
- Marshall Wace, LLP−1.8M sh−$56M
- Woodline Partners LP−770K sh−$23.7M
- Trails Edge Capital Partners, LP−1M sh−$22.6M
- Siren, L.L.C.−587K sh−$18.1M
- Logos Global Management LP−550K sh−$17M
- Samlyn Capital, LLC−361K sh−$11.1M
- Morgan Stanley−318K sh−$9.8M
- Renaissance Technologies LLC−425K sh−$9.2M
RCUS institutional ownership FAQ
Who owns the most RCUS stock?
In Q2 2026 13F filings the largest holder of RCUS was Gilead Sciences, Inc., followed by BlackRock, Inc. and State Street Corp. Index fund managers are usually the biggest holders of large companies.
What percentage of RCUS is owned by institutions?
Funds that file 13F reports held 96.3% of RCUS's shares at Jun 30, 2026, compared with 93.5% a quarter earlier. That counts every manager with more than $100 million in US stocks.
Are hedge funds buying RCUS?
In Q2 2026, 130 funds bought RCUS (43 of them new positions) and 87 sold (24 sold out completely). Among well known investors, 2 added and 2 cut. Our fund sentiment for RCUS is bullish.
What is RCUS's institutional put/call ratio?
Funds reported $0 of RCUS puts against $3.9M of calls, a put/call ratio of 0.00 (1.00 the quarter before). Market makers and bank trading desks are left out, since their options are mostly hedges.
How current is this RCUS ownership data?
13F filings show holdings at the end of each quarter and are due within 45 days, so positions can be up to six weeks old when they appear. We add each new filing within minutes, and the "filed so far" list shows funds that have already reported the next quarter.
For informational and educational purposes only. Not investment advice, and not a recommendation to buy or sell any security. Fund sentiment summarises what 13F filings show and is not a forecast. Holdings come from SEC Form 13F filings as reported and show positions at the end of the quarter, up to 45 days before the filing. A 13F leaves out short positions, cash, bonds and most foreign holdings. See all hedge fund holdings.