Ticker · CUSIP 007002207
Holders (tracked)
3
Combined shares
495,555
Combined value
$4.17M
Last close
—
Quarter
2025Q4
SEC event timeline
6 events
- RA CAPITAL MANAGEMENT, L.P.2026-02-20Bought $543.4K @ $7.27Insider buy
- RA CAPITAL MANAGEMENT, L.P.2026-02-19Bought $535.5K @ $7.21Insider buy
- RA CAPITAL MANAGEMENT, L.P.2026-02-18Bought $525.0K @ $7.04Insider buy
- +107,814 shares · 2025Q413F
- Two Sigma Investments opened position2026-02-17+144,796 shares · 2025Q413F
- Renaissance Technologies opened position2026-02-12+242,945 shares · 2025Q413F
Insider activity
No insider transactions in the last 30 days.
Who moved on this name in 2025Q4
13F transactions reported for the latest quarter, grouped by direction.
New positions3
- Renaissance Technologies+242,945$2.0M
- Two Sigma Investments+144,796$1.2M
- Ken Griffin (Citadel Advisors)+107,814$908K
Added to0
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Trimmed0
—
Exited0
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Who owns ACET
3 super-investors · 2025Q4
Tracked stake
495.6K
shares
Combined value
$4M
% of shares outstanding
—
shares-out unknown
Quarter action mix
New3
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | Renaissance Technologies | 242.9K | $2M |
| 2 | Two Sigma Investments | 144.8K | $1M |
| 3 | Ken Griffin Citadel Advisors | 107.8K | $908K |
Recent moves
3 transactions
- +107,814 · 2025Q4
- +144,796 · 2025Q4
- +242,945 · 2025Q4
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