ARVN · Insider trading · 13F holders · Congress trades
Arvinas Inc (ARVN)
Who is buying and selling ARVN: 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
- 8
- Insider buys, 90 days
- $0
- Insider sales, 90 days
- $0
- Congress trades, 12 months
- 0
ARVN at a glance
- No open-market insider purchases or sales of ARVN were filed in the last 90 days.
- 8 13F filers hold ARVN among their 50 largest positions, worth $78.8M combined. The biggest bets by portfolio weight are Pfizer Inc (16.2%), Rangeley Capital, LLC (1.4%) and Arbiter Partners Capital Management LLC (1.4%). In their latest 13Fs, 1 manager opened a new position and 3 added to one.
- No member of Congress has disclosed a trade in ARVN.
ARVN insider trading
No open-market insider purchases or sales of ARVN were filed in the last 90 days.
Who owns ARVN? Hedge funds and superinvestors
8 13F filers hold ARVN among their 50 largest positions, worth $78.8M combined. The biggest bets by portfolio weight are Pfizer Inc (16.2%), Rangeley Capital, LLC (1.4%) and Arbiter Partners Capital Management LLC (1.4%). In their latest 13Fs, 1 manager opened a new position and 3 added to one.
| Manager | % of portfolio | Value | Shares | Last quarter | 13F |
|---|---|---|---|---|---|
| Pfizer IncCorporation | 16.2% | $27.7M | 3,457,815 | +0.0% shares | Q2 2026 |
| Armistice Capital, LLCHedge fund | 0.6% | $23.2M | 2,796,000 | +41.4% shares | Q2 2026 |
| Nextech Invest Ltd.Hedge fund | 0.8% | $17.1M | 1,122,713 | +108.1% shares | Q2 2026 |
| TCG Crossover Management, LLCHedge fund | 0.1% | $5.9M | 707,098 | -70.4% shares | Q2 2026 |
| Arbiter Partners Capital Management LLCHedge fund | 1.4% | $2.4M | 294,594 | New | Q2 2026 |
| Rangeley Capital, LLCHedge fund | 1.4% | $1.5M | 175,590 | -21.6% shares | Q2 2026 |
| Stonepine Capital Management, LLCHedge fund | 0.4% | $499K | 60,000 | +118.2% shares | Q2 2026 |
| Vienna Powszechne Towarzystwo Emerytalne S.A. Vienna Insurance GroupInsurance company | 0.1% | $478K | 57,500 | +0.0% shares | Q2 2026 |
Each manager counts with its latest 13F (Q2 2026: 8). Screen ARVN in the grand portfolio →
ARVN stock trades by members of Congress
No member of Congress has disclosed a trade in ARVN.
ARVN questions and answers
Are insiders buying ARVN stock?
No open-market insider purchases or sales of ARVN were filed in the last 90 days.
Which hedge funds own ARVN?
8 13F filers hold ARVN among their 50 largest positions, worth $78.8M combined. The biggest bets by portfolio weight are Pfizer Inc (16.2%), Rangeley Capital, LLC (1.4%) and Arbiter Partners Capital Management LLC (1.4%). In their latest 13Fs, 1 manager opened a new position and 3 added to one.
Has Congress traded ARVN?
No member of Congress has disclosed a trade in ARVN.
Who is the largest holder of ARVN?
Among 13F filers, Pfizer Inc reports the largest ARVN position, $27.7M (3,457,815 shares) in its Q2 2026 13F. The biggest bet by portfolio weight is Pfizer Inc's: 16.2% of its portfolio.
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