Ticker · CUSIP 04683R106
Holders (tracked)
9
Combined shares
3,557,912
Combined value
$12.35M
Last close
—
Quarter
2025Q4
Tracked holders · last 8 quarters
-1 vs previous quarter over the last 8.
SEC event timeline
16 events
- Ken Griffin (Citadel Advisors) added2026-02-17+962 shares · 2025Q4Position
- Two Sigma Investments added2026-02-17+274,122 shares · 2025Q4Position
- D.E. Shaw & Co. added2026-02-17+100,019 shares · 2025Q4Position
- Izzy Englander (Millennium Mgmt) added2026-02-17+210,933 shares · 2025Q4Position
- Steve Cohen (Point72) opened position2026-02-17+63,905 shares · 2025Q4Position
- T. Rowe Price trimmed2026-02-17−213 shares · 2025Q4Position
- Wellington Management trimmed2026-02-17−19,935 shares · 2025Q4Position
- AQR Capital Management added2026-02-17+888 shares · 2025Q4Position
- Renaissance Technologies trimmed2026-02-12−39,400 shares · 2025Q4Position
- AQR Capital Management opened position2025-11-14+13,410 shares · 2025Q3Position
- Izzy Englander (Millennium Mgmt) added2025-11-14+312,733 shares · 2025Q3Position
- Two Sigma Investments added2025-11-14+104,681 shares · 2025Q3Position
- T. Rowe Price added2025-11-14+17,623 shares · 2025Q3Position
- Wellington Management trimmed2025-11-14−96,676 shares · 2025Q3Position
- D.E. Shaw & Co. added2025-11-14+168,916 shares · 2025Q3Position
- Renaissance Technologies trimmed2025-11-13−6,200 shares · 2025Q3Position
Insider activity
No insider transactions in the last 30 days.
Who moved on this name in 2025Q4
Position changes reported for the latest quarter, grouped by direction.
New positions1
- Steve Cohen (Point72)+63,905$228K
Added to5
- Two Sigma Investments+274,122$979K
- Izzy Englander (Millennium Mgmt)+210,933$753K
- D.E. Shaw & Co.+100,019$357K
- Ken Griffin (Citadel Advisors)+962$3K
- AQR Capital Management+888$3K
Trimmed3
- Renaissance Technologies−39,400$141K
- Wellington Management−19,935$71K
- T. Rowe Price−213$1
Exited0
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Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2022Q1 | 9 | $79.9M |
| 2022Q2 | 9 | $63.2M |
| 2022Q3 | 9 | $53K |
| 2022Q4 | 11 | $45.3M |
| 2023Q1 | 12 | $34.7M |
| 2023Q2 | 12 | $35.9M |
| 2023Q3 | 11 | $27.1M |
| 2023Q4 | 9 | $30.0M |
| 2024Q1 | 10 | $42.7M |
| 2024Q2 | 9 | $38.8M |
| 2024Q3 | 9 | $8.7M |
| 2024Q4 | 8 | $6.7M |
| 2025Q1 | 9 | $6.8M |
| 2025Q2 | 6 | $8.4M |
| 2025Q3 | 10 | $8.5M |
| 2025Q4 | 9 | $12.4M |
Who owns AVIR
9 super-investors · 2025Q4
Tracked stake
3.56M
shares
Combined value
$12M
% of shares outstanding
—
shares-out unknown
Quarter action mix
New1Added5Trim3
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | Renaissance Technologies | 1.19M | $4M |
| 2 | Two Sigma Investments | 745.4K | $3M |
| 3 | Izzy Englander Millennium Mgmt | 698.2K | $2M |
| 4 | D.E. Shaw & Co. | 464.8K | $2M |
| 5 | Wellington Management | 242.8K | $867K |
| 6 | Steve Cohen Point72 | 63.9K | $228K |
| 7 | Ken Griffin Citadel Advisors | 42.7K | $152K |
| 8 | AQR Capital Management | 14.3K | $51K |
| 9 | T. Rowe Price | 97.3K | $348 |
Recent moves
20 transactions
- +63,905 · 2025Q4
- +888 · 2025Q4
- TRIMT. Rowe Price−213 · 2025Q4
- +962 · 2025Q4
- −19,935 · 2025Q4
- +210,933 · 2025Q4
- +274,122 · 2025Q4
- +100,019 · 2025Q4
- −39,400 · 2025Q4
- +17,623 · 2025Q3
- −96,676 · 2025Q3
- +168,916 · 2025Q3
- +13,410 · 2025Q3
- +104,681 · 2025Q3
- +312,733 · 2025Q3
- −6,200 · 2025Q3
- +114,863 · 2025Q2
- +54,921 · 2025Q2
- +97,928 · 2025Q2
- TRIMD.E. Shaw & Co.−148,693 · 2025Q2
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