Ticker · CUSIP 03763A207
Holders (tracked)
8
Combined shares
995,480
Combined value
$24.70M
Last close
$31.50
Quarter
2025Q4
Price · 1Y$31.50+0.12 (+0.38%)H $33.89 · L $18.16 · Avg Vol 428K
Position opened
Tracked holders · last 8 quarters
Flat over the last 8 quarters.
Price is +27.0% vs the avg quarter-end implied price across tracked holders.
SEC event timeline
14 events
- Ken Griffin (Citadel Advisors) trimmed2026-02-17−21,014 shares · 2025Q4Position
- Two Sigma Investments opened position2026-02-17+30,713 shares · 2025Q4Position
- D.E. Shaw & Co. exited2026-02-17−145,556 shares · 2025Q4Position
- +13,479 shares · 2025Q4Position
- T. Rowe Price added2026-02-17+1,562 shares · 2025Q4Position
- Wellington Management added2026-02-17+596,293 shares · 2025Q4Position
- AQR Capital Management added2026-02-17+5,640 shares · 2025Q4Position
- Renaissance Technologies added2026-02-12+10,346 shares · 2025Q4Position
- Izzy Englander (Millennium Mgmt) exited2025-11-14−125,349 shares · 2025Q3Position
- Wellington Management opened position2025-11-14+142,560 shares · 2025Q3Position
- AQR Capital Management opened position2025-11-14+21,587 shares · 2025Q3Position
- T. Rowe Price added2025-11-14+5,113 shares · 2025Q3Position
- D.E. Shaw & Co. opened position2025-11-14+145,556 shares · 2025Q3Position
- Renaissance Technologies trimmed2025-11-13−12,800 shares · 2025Q3Position
Insider activity
Last 30 days
Net (open-market)
$0
Buys
0 · $0
Sells
0 · $0
Unique insiders
1
| Date | Insider | Code | Shares | Price | Value |
|---|---|---|---|---|---|
| 04-14 | Basho Chandan COO and CFO · Officer | F | 3,870 | $29.07 | $112.5K |
Follow-the-investor returns
If you'd copied each holder of ASTH…
Cost basis inferred from each manager's quarter-over-quarter position changes. Sorted by % return on the position they're still holding.
| Investor | First in | Cost basis | Return | Position value today |
|---|---|---|---|---|
| Two Sigma Investments | 2020Q3 | $25.43 | +23.9% | $967K |
| Wellington Management | 2022Q3 | $25.69 | +22.6% | $23.3M |
| Izzy Englander (Millennium Mgmt) | 2017Q4 | $25.88 | +21.7% | $425K |
| Ken Griffin (Citadel Advisors) | 2019Q3 | $26.77 | +17.7% | $992K |
| Ken Griffin (Citadel Advisors) | 2019Q3 | $26.77 | +17.7% | $992K |
| Renaissance Technologies | 2020Q4 | $34.24 | -8.0% | $2.9M |
| AQR Capital Management | 2021Q3 | $37.88 | -16.8% | $858K |
| T. Rowe Price | 2021Q3 | $53.38 | -41.0% | $1.3M |
Who moved on this name in 2025Q4
Position changes reported for the latest quarter, grouped by direction.
New positions2
- Two Sigma Investments+30,713$762K
- Izzy Englander (Millennium Mgmt)+13,479$334K
Added to4
- Wellington Management+596,293$14.8M
- Renaissance Technologies+10,346$257K
- AQR Capital Management+5,640$140K
- T. Rowe Price+1,562$39
Trimmed1
- Ken Griffin (Citadel Advisors)−21,014$521K
Exited1
- D.E. Shaw & Co.−145,556$4.1M
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2022Q1 | 11 | $956.3M |
| 2022Q2 | 9 | $244.0M |
| 2022Q3 | 11 | $268.8M |
| 2022Q4 | 8 | $203.5M |
| 2023Q1 | 9 | $240.3M |
| 2023Q2 | 7 | $215.4M |
| 2023Q3 | 8 | $210.9M |
| 2023Q4 | 10 | $262.7M |
| 2024Q1 | 8 | $301.9M |
| 2024Q2 | 9 | $278.1M |
| 2024Q3 | 7 | $43.9M |
| 2024Q4 | 6 | $9.6M |
| 2025Q1 | 6 | $20.0M |
| 2025Q2 | 6 | $12.0M |
| 2025Q3 | 8 | $25.5M |
| 2025Q4 | 8 | $24.7M |
Who owns ASTH
8 super-investors · 2025Q4
Tracked stake
995.5K
shares
Combined value
$25M
% of shares outstanding
—
shares-out unknown
Quarter action mix
New2Added4Trim2
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | Wellington Management | 738.9K | $18M |
| 2 | Renaissance Technologies | 93.1K | $2M |
| 3 | T. Rowe Price | 42.3K | $1M |
| 4 | Ken Griffin Citadel Advisors | 31.5K | $782K |
| 5 | Two Sigma Investments | 30.7K | $762K |
| 6 | AQR Capital Management | 27.2K | $676K |
| 7 | Ken Griffin Citadel Advisors | 18.3K | $454K |
| 8 | Izzy Englander Millennium Mgmt | 13.5K | $334K |
Recent moves
20 transactions
- +596,293 · 2025Q4
- −21,014 · 2025Q4
- +1,562 · 2025Q4
- +5,640 · 2025Q4
- +13,479 · 2025Q4
- SOLDD.E. Shaw & Co.−145,556 · 2025Q4
- +30,713 · 2025Q4
- +10,346 · 2025Q4
- +21,587 · 2025Q3
- +145,556 · 2025Q3
- +142,560 · 2025Q3
- −125,349 · 2025Q3
- +5,113 · 2025Q3
- −12,800 · 2025Q3
- +125,349 · 2025Q2
- TRIMT. Rowe Price−515 · 2025Q2
- −30,082 · 2025Q2
- −93,100 · 2025Q2
- −14,793 · 2025Q1
- −7,433 · 2025Q1
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