VIR · Insider trading · 13F holders · Congress trades
Vir Biotechnology, Inc. (VIR)
Who is buying and selling VIR: 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
- 13
- Insider buys, 90 days
- $0
- Insider sales, 90 days
- $0
- Congress trades, 12 months
- 0
VIR at a glance
- No open-market insider purchases or sales of VIR were filed in the last 90 days.
- 13 13F filers hold VIR among their 50 largest positions, worth $428.3M combined. The biggest bets by portfolio weight are GSK plc (14.5%), ARCH Venture Management, LLC (11.8%) and GordonMD Global Investments LP (6.7%). In their latest 13Fs, 1 manager opened a new position and 1 added to one.
- No member of Congress has disclosed a trade in VIR.
VIR insider trading
No open-market insider purchases or sales of VIR were filed in the last 90 days.
Who owns VIR? Hedge funds and superinvestors
13 13F filers hold VIR among their 50 largest positions, worth $428.3M combined. The biggest bets by portfolio weight are GSK plc (14.5%), ARCH Venture Management, LLC (11.8%) and GordonMD Global Investments LP (6.7%). In their latest 13Fs, 1 manager opened a new position and 1 added to one.
| Manager | % of portfolio | Value | Shares | Last quarter | 13F |
|---|---|---|---|---|---|
| ARCH Venture Management, LLCVenture capital | 11.8% | $129.4M | 12,694,163 | -1.7% shares | Q2 2026 |
| Sb Investment Advisers (UK) LtdWealth manager | 1.5% | $111.6M | 10,948,093 | +0.0% shares | Q2 2026 |
| GSK plcCorporation | 14.5% | $87.1M | 8,550,954 | +0.0% shares | Q2 2026 |
| ADAR1 Capital Management, LLCHedge fund | 1.2% | $25.0M | 2,456,677 | -10.5% shares | Q2 2026 |
| Boxer Capital Management, LLCHedge fund | 1.4% | $19.0M | 1,866,000 | +0.0% shares | Q2 2026 |
| GordonMD Global Investments LPHedge fund | 6.7% | $13.8M | 1,353,552 | -10.9% shares | Q2 2026 |
| Sio Capital Management, LLCHedge fund | 1.9% | $11.0M | 1,075,274 | -28.2% shares | Q2 2026 |
| Superstring Capital Management LPHedge fund | 5.5% | $8.7M | 853,685 | +16.9% shares | Q2 2026 |
| Saturn V Capital Management LPHedge fund | 1.1% | $7.9M | 770,643 | New | Q2 2026 |
| Jones Hill Capital LPHedge fund | 1.4% | $6.7M | 659,213 | -45.0% shares | Q2 2026 |
| Avidity Partners Management LPHedge fund | 0.8% | $5.3M | 519,300 | -16.1% shares | Q2 2026 |
| Birchview Capital, LPWealth manager | 1.0% | $2.2M | 220,000 | — | Q2 2026 |
| Act Capital Management, LLCHedge fund | 0.4% | $655K | 64,300 | +0.0% shares | Q2 2026 |
Each manager counts with its latest 13F (Q2 2026: 13). Screen VIR in the grand portfolio →
VIR stock trades by members of Congress
No member of Congress has disclosed a trade in VIR.
VIR questions and answers
Are insiders buying VIR stock?
No open-market insider purchases or sales of VIR were filed in the last 90 days.
Which hedge funds own VIR?
13 13F filers hold VIR among their 50 largest positions, worth $428.3M combined. The biggest bets by portfolio weight are GSK plc (14.5%), ARCH Venture Management, LLC (11.8%) and GordonMD Global Investments LP (6.7%). In their latest 13Fs, 1 manager opened a new position and 1 added to one.
Has Congress traded VIR?
No member of Congress has disclosed a trade in VIR.
Who is the largest holder of VIR?
Among 13F filers, ARCH Venture Management, LLC reports the largest VIR position, $129.4M (12,694,163 shares) in its Q2 2026 13F. The biggest bet by portfolio weight is GSK plc's: 14.5% of its portfolio.
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