RCUS · Insider trading · 13F holders · Congress trades
Arcus Biosciences, Inc. (RCUS)
Who is buying and selling RCUS: company insiders on SEC Form 4, hedge funds and superinvestors on Form 13F, and members of Congress under the STOCK Act. Every figure links to the filing or page it comes from.
- 13F filers holding
- 20
- Insider buys, 90 days
- $0
- Insider sales, 90 days
- $85K
- Congress trades, 12 months
- 0
RCUS at a glance
- Between Aug 1, 2026 and Oct 29, 2026, 1 RCUS insider filed 1 sale worth $85K on SEC Form 4, and no open-market purchases; 1 of the sales were pre-planned under Rule 10b5-1.
- 20 13F filers hold RCUS among their 50 largest positions, worth $1.5B combined, including Robert Pohly and Julian and Felix Baker. The biggest bets by portfolio weight are Montanova Capital, LLC (3.1%), Parkman Healthcare Partners LLC (2.9%) and Diadema Partners LP (2.6%). In their latest 13Fs, 0 managers opened a new position and 2 added to one.
- No member of Congress has disclosed a trade in RCUS.
- RCUS last closed at $18.61 on Oct 29, 2026.
RCUS insider trading
Between Aug 1, 2026 and Oct 29, 2026, 1 RCUS insider filed 1 sale worth $85K on SEC Form 4, and no open-market purchases; 1 of the sales were pre-planned under Rule 10b5-1.
| Filed | Insider | Role | Trade | Shares | Price | Value | Form 4 |
|---|---|---|---|---|---|---|---|
| Aug 24, 2026 | Azoy Alexander | Chief Accounting Officer | Sale10b5-1 | 2,827 | $30.00 | $85K | SEC |
Who owns RCUS? Hedge funds and superinvestors
20 13F filers hold RCUS among their 50 largest positions, worth $1.5B combined, including Robert Pohly and Julian and Felix Baker. The biggest bets by portfolio weight are Montanova Capital, LLC (3.1%), Parkman Healthcare Partners LLC (2.9%) and Diadema Partners LP (2.6%). In their latest 13Fs, 0 managers opened a new position and 2 added to one.
Superinvestors holding RCUS: Robert Pohly 0.8% · Julian and Felix Baker 0.1%
| Manager | % of portfolio | Value | Shares | Last quarter | 13F |
|---|---|---|---|---|---|
| Gilead Sciences, Inc.Corporation | 58.8% | $968.8M | 31,424,760 | +0.0% shares | Q2 2026 |
| Montanova Capital, LLCHedge fund | 3.1% | $147.3M | 4,776,423 | -5.1% shares | Q2 2026 |
| Siren, L.L.C.Investment manager | 1.5% | $74.6M | 2,420,430 | -19.5% shares | Q2 2026 |
| Robert PohlyHedge fund | 0.8% | $47.7M | 1,547,182 | -18.9% shares | Q2 2026 |
| Soleus Capital Management, L.P.Hedge fund | 1.2% | $36.0M | 1,168,738 | — | Q2 2026 |
| Sofinnova Investments, Inc.Hedge fund | 1.6% | $29.2M | 945,690 | +2.4% shares | Q2 2026 |
| Parkman Healthcare Partners LLCHedge fund | 2.9% | $28.3M | 919,266 | -23.9% shares | Q2 2026 |
| Julian and Felix BakerHedge fund | 0.1% | $26.0M | 844,816 | — | Q2 2026 |
| Logos Global Management LPHedge fund | 0.9% | $20.0M | 650,000 | -45.8% shares | Q2 2026 |
| Ikarian Capital, LLCHedge fund | 2.5% | $15.6M | 504,559 | — | Q2 2026 |
| Decheng Capital LLCHedge fund | 2.0% | $14.3M | 464,779 | -2.7% shares | Q2 2026 |
| DAFNA Capital Management LLCHedge fund | 2.6% | $13.6M | 441,829 | -0.5% shares | Q2 2026 |
| Patient Square Capital LPHedge fund | 1.7% | $11.0M | 355,800 | +82.5% shares | Q2 2026 |
| Diadema Partners LPHedge fund | 2.6% | $6.9M | 223,810 | -6.0% shares | Q2 2026 |
| Platinum Investment Management LtdAsset manager | 1.0% | $4.1M | 134,217 | +0.0% shares | Q2 2026 |
| Sectoral Asset Management IncHedge fund | 2.4% | $3.4M | 110,870 | +146.0% shares | Q2 2026 |
| Knott David M JrInvestment manager | 1.3% | $2.5M | 81,241 | +0.0% shares | Q2 2026 |
| BIT Capital GmbHAsset manager | 0.1% | $1.8M | 60,000 | — | Q2 2026 |
| Persistent Asset Partners LtdHedge fund | 0.6% | $1.8M | 57,048 | -5.2% shares | Q2 2026 |
| Bayforest Capital LtdHedge fund | 0.4% | $392K | 12,709 | — | Q2 2026 |
Each manager counts with its latest 13F (Q2 2026: 20). Screen RCUS in the grand portfolio →
RCUS stock trades by members of Congress
No member of Congress has disclosed a trade in RCUS.
RCUS questions and answers
Are insiders buying RCUS stock?
Between Aug 1, 2026 and Oct 29, 2026, 1 RCUS insider filed 1 sale worth $85K on SEC Form 4, and no open-market purchases; 1 of the sales were pre-planned under Rule 10b5-1.
Which hedge funds own RCUS?
20 13F filers hold RCUS among their 50 largest positions, worth $1.5B combined, including Robert Pohly and Julian and Felix Baker. The biggest bets by portfolio weight are Montanova Capital, LLC (3.1%), Parkman Healthcare Partners LLC (2.9%) and Diadema Partners LP (2.6%). In their latest 13Fs, 0 managers opened a new position and 2 added to one.
Has Congress traded RCUS?
No member of Congress has disclosed a trade in RCUS.
Who is the largest holder of RCUS?
Among 13F filers, Gilead Sciences, Inc. reports the largest RCUS position, $968.8M (31,424,760 shares) in its Q2 2026 13F. The biggest bet by portfolio weight is Montanova Capital, LLC's: 3.1% of its portfolio.
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