Ticker · CUSIP 04280A100
Holders (tracked)
16
Combined shares
5,145,942
Combined value
$286.01M
Last close
$67.98
Quarter
2025Q4
Tracked holders · last 8 quarters
+7 vs previous quarter over the last 8.
Price is +22.3% vs the avg quarter-end implied price across tracked holders.
SEC event timeline
20 events
- Wellington Management trimmed2026-02-17−1,969 shares · 2025Q413F
- Ken Griffin (Citadel Advisors) added2026-02-17+156,645 shares · 2025Q413F
- D.E. Shaw & Co. added2026-02-17+125,763 shares · 2025Q413F
- AQR Capital Management added2026-02-17+4,528 shares · 2025Q413F
- Izzy Englander (Millennium Mgmt) trimmed2026-02-17−64,789 shares · 2025Q413F
- T. Rowe Price added2026-02-17+728,573 shares · 2025Q413F
- +20,100 shares · 2025Q413F
- Steve Cohen (Point72) opened position2026-02-17+31,900 shares · 2025Q413F
- +59,966 shares · 2025Q413F
- Norges Bank (Norway SWF) opened position2026-02-10+1,704,464 shares · 2025Q413F
- Ken Fisher (Fisher Asset Mgmt) added2026-02-09+257,933 shares · 2025Q413F
- Izzy Englander (Millennium Mgmt) trimmed2025-11-14−59,234 shares · 2025Q313F
- Two Sigma Investments exited2025-11-14−133,403 shares · 2025Q313F
- D.E. Shaw & Co. opened position2025-11-14+20,301 shares · 2025Q313F
- T. Rowe Price added2025-11-14+9,637 shares · 2025Q313F
- Wellington Management added2025-11-14+1,157 shares · 2025Q313F
- AQR Capital Management trimmed2025-11-14−9,526 shares · 2025Q313F
- Norges Bank (Norway SWF) exited2025-11-13−1,924,957 shares · 2025Q313F
- Norges Bank (Norway SWF) added2025-11-12+459,342 shares · 2024Q313F
- Ken Fisher (Fisher Asset Mgmt) added2025-11-12+602,139 shares · 2025Q313F
Insider activity
No insider transactions in the last 30 days.
Follow-the-investor returns
If you'd copied each holder of ARWR…
Cost basis inferred from 13F share-delta history. Sorted by % return on the position they're still holding.
| Investor | First in | Cost basis | Return | Position value today |
|---|---|---|---|---|
| T. Rowe Price | 2016Q2 | $1.50 | +4420.9% | $57.0M |
| Izzy Englander (Millennium Mgmt) | 2016Q2 | $15.70 | +332.9% | $3.1M |
| AQR Capital Management | 2016Q4 | $17.65 | +285.1% | $10.0M |
| Ken Fisher (Fisher Asset Mgmt) | 2024Q2 | $34.00 | +100.0% | $89.2M |
| Paul Tudor Jones (Tudor Investment) | 2016Q4 | $39.13 | +73.7% | $816K |
| Paul Tudor Jones (Tudor Investment) | 2016Q4 | $39.13 | +73.7% | $816K |
| Wellington Management | 2019Q4 | $42.03 | +61.8% | $3.2M |
| D.E. Shaw & Co. | 2016Q4 | $60.56 | +12.3% | $9.9M |
| D.E. Shaw & Co. | 2016Q4 | $60.56 | +12.3% | $9.9M |
| Ken Griffin (Citadel Advisors) | 2016Q2 | $61.31 | +10.9% | $15.9M |
| Ken Griffin (Citadel Advisors) | 2016Q2 | $61.31 | +10.9% | $15.9M |
| Ken Griffin (Citadel Advisors) | 2016Q2 | $61.31 | +10.9% | $15.9M |
| Steve Cohen (Point72) | 2016Q2 | $65.23 | +4.2% | $326K |
| Steve Cohen (Point72) | 2016Q2 | $65.23 | +4.2% | $326K |
| Ray Dalio (Bridgewater Associates) | 2025Q4 | $66.39 | +2.4% | $4.1M |
| Norges Bank (Norway SWF) | 2019Q3 | $7035.70 | -99.0% | $115.9M |
Who moved on this name in 2025Q4
13F transactions reported for the latest quarter, grouped by direction.
New positions4
- Norges Bank (Norway SWF)+1,704,464$113.2M
- Ray Dalio (Bridgewater Associates)+59,966$4.0M
- Steve Cohen (Point72)+31,900$2.1M
- Paul Tudor Jones (Tudor Investment)+20,100$1.3M
Added to5
- Ken Fisher (Fisher Asset Mgmt)+257,933$17.1M
- Ken Griffin (Citadel Advisors)+156,645$10.4M
- D.E. Shaw & Co.+125,763$8.3M
- AQR Capital Management+4,528$301K
- T. Rowe Price+728,573$48K
Trimmed2
- Izzy Englander (Millennium Mgmt)−64,789$4.3M
- Wellington Management−1,969$131K
Exited0
—
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2022Q1 | 14 | $43.97B |
| 2022Q2 | 15 | $41.82B |
| 2022Q3 | 13 | $40.6M |
| 2022Q4 | 13 | $621.0M |
| 2023Q1 | 13 | $386.1M |
| 2023Q2 | 12 | $551.7M |
| 2023Q3 | 11 | $402.0M |
| 2023Q4 | 9 | $454.5M |
| 2024Q1 | 10 | $523.8M |
| 2024Q2 | 11 | $504.1M |
| 2024Q3 | 13 | $98.1M |
| 2024Q4 | 10 | $91.2M |
| 2025Q1 | 11 | $42.8M |
| 2025Q2 | 12 | $52.3M |
| 2025Q3 | 9 | $65.0M |
| 2025Q4 | 16 | $286.0M |
Who owns ARWR
16 super-investors · 2025Q4
Tracked stake
5.15M
shares
Combined value
$286M
% of shares outstanding
—
shares-out unknown
Quarter action mix
New6Added8Trim2
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | Norges Bank Norway SWF | 1.70M | $113M |
| 2 | Ken Fisher Fisher Asset Mgmt | 1.31M | $87M |
| 3 | Ken Griffin Citadel Advisors | 474.3K | $31M |
| 4 | Ken Griffin Citadel Advisors | 234.1K | $16M |
| 5 | AQR Capital Management | 147.4K | $10M |
| 6 | D.E. Shaw & Co. | 146.1K | $10M |
| 7 | Ken Griffin Citadel Advisors | 66.7K | $4M |
| 8 | Ray Dalio Bridgewater Associates | 60.0K | $4M |
| 9 | Wellington Management | 47.5K | $3M |
| 10 | Izzy Englander Millennium Mgmt | 45.0K | $3M |
| 11 | Steve Cohen Point72 | 27.1K | $2M |
| 12 | D.E. Shaw & Co. | 18.0K | $1M |
| 13 | Paul Tudor Jones Tudor Investment | 12.0K | $797K |
| 14 | Paul Tudor Jones Tudor Investment | 8.1K | $538K |
| 15 | Steve Cohen Point72 | 4.8K | $319K |
| 16 | T. Rowe Price | 838.8K | $56K |
Recent moves
20 transactions
- −64,789 · 2025Q4
- −1,969 · 2025Q4
- +20,100 · 2025Q4
- +125,763 · 2025Q4
- +728,573 · 2025Q4
- +4,528 · 2025Q4
- +31,900 · 2025Q4
- +156,645 · 2025Q4
- +59,966 · 2025Q4
- +1,704,464 · 2025Q4
- +257,933 · 2025Q4
- −133,403 · 2025Q3
- +9,637 · 2025Q3
- +1,157 · 2025Q3
- −59,234 · 2025Q3
- −9,526 · 2025Q3
- +20,301 · 2025Q3
- −1,924,957 · 2025Q3
- +602,139 · 2025Q3
- +459,342 · 2024Q3
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