Ticker · CUSIP 04351P101
Holders (tracked)
11
Combined shares
4,581,686
Combined value
$642.49M
Last close
—
Quarter
2025Q4
Tracked holders · last 8 quarters
-2 vs previous quarter over the last 8.
SEC event timeline
13 events
- Ken Griffin (Citadel Advisors) added2026-02-17+491,876 shares · 2025Q4Position
- D.E. Shaw & Co. added2026-02-17+122,182 shares · 2025Q4Position
- Two Sigma Investments added2026-02-17+64,006 shares · 2025Q4Position
- Izzy Englander (Millennium Mgmt) added2026-02-17+87,726 shares · 2025Q4Position
- Steve Cohen (Point72) exited2026-02-17−7,500 shares · 2025Q4Position
- Wellington Management trimmed2026-02-17−36,210 shares · 2025Q4Position
- T. Rowe Price trimmed2026-02-17−155,968 shares · 2025Q4Position
- +5,600 shares · 2025Q3Position
- Two Sigma Investments added2025-11-14+180,771 shares · 2025Q3Position
- Izzy Englander (Millennium Mgmt) added2025-11-14+101,715 shares · 2025Q3Position
- D.E. Shaw & Co. trimmed2025-11-14−3,600 shares · 2025Q3Position
- T. Rowe Price trimmed2025-11-14−149,263 shares · 2025Q3Position
- Wellington Management added2025-11-14+880,836 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 positions0
—
Added to4
- Ken Griffin (Citadel Advisors)+491,876$104.9M
- D.E. Shaw & Co.+122,182$26.1M
- Izzy Englander (Millennium Mgmt)+87,726$18.7M
- Two Sigma Investments+64,006$13.6M
Trimmed2
- Wellington Management−36,210$7.7M
- T. Rowe Price−155,968$33K
Exited1
- Steve Cohen (Point72)−7,500$1.5M
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2022Q1 | 10 | $1.68B |
| 2022Q2 | 13 | $1.24B |
| 2022Q3 | 13 | $910K |
| 2022Q4 | 12 | $543.1M |
| 2023Q1 | 10 | $486.7M |
| 2023Q2 | 10 | $343.7M |
| 2023Q3 | 9 | $67.6M |
| 2023Q4 | 7 | $82.4M |
| 2024Q1 | 11 | $660.0M |
| 2024Q2 | 12 | $656.5M |
| 2024Q3 | 15 | $479.6M |
| 2024Q4 | 10 | $253.2M |
| 2025Q1 | 14 | $415.5M |
| 2025Q2 | 9 | $279.5M |
| 2025Q3 | 13 | $467.9M |
| 2025Q4 | 11 | $642.5M |
Who owns ASND
11 super-investors · 2025Q4
Tracked stake
4.58M
shares
Combined value
$642M
% of shares outstanding
—
shares-out unknown
Quarter action mix
Added8Trim2Held1
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | Wellington Management | 1.76M | $376M |
| 2 | Ken Griffin Citadel Advisors | 519.5K | $111M |
| 3 | Izzy Englander Millennium Mgmt | 262.3K | $56M |
| 4 | Two Sigma Investments | 247.9K | $53M |
| 5 | D.E. Shaw & Co. | 125.8K | $27M |
| 6 | Ken Griffin Citadel Advisors | 60.7K | $13M |
| 7 | Ken Griffin Citadel Advisors | 18.7K | $4M |
| 8 | D.E. Shaw & Co. | 5.7K | $1M |
| 9 | Ron Baron Baron Capital / BAMCO | 5.6K | $1M |
| 10 | Izzy Englander Millennium Mgmt | 2.5K | $533K |
| 11 | T. Rowe Price | 1.57M | $335K |
Recent moves
20 transactions
- −7,500 · 2025Q4
- −36,210 · 2025Q4
- +64,006 · 2025Q4
- +122,182 · 2025Q4
- +491,876 · 2025Q4
- TRIMT. Rowe Price−155,968 · 2025Q4
- +87,726 · 2025Q4
- TRIMD.E. Shaw & Co.−3,600 · 2025Q3
- TRIMT. Rowe Price−149,263 · 2025Q3
- +180,771 · 2025Q3
- +5,600 · 2025Q3
- +101,715 · 2025Q3
- +880,836 · 2025Q3
- −158,720 · 2025Q2
- −191,979 · 2025Q2
- −569,146 · 2025Q2
- TRIMD.E. Shaw & Co.−13,340 · 2025Q2
- TRIMT. Rowe Price−380,611 · 2025Q2
- −15,646 · 2025Q2
- +330,332 · 2025Q2
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