Ticker · CUSIP 02462A104
Holders (tracked)
5
Combined shares
4,033,526
Combined value
$6.86M
Last close
—
Quarter
2025Q4
Tracked holders · last 8 quarters
+2 vs previous quarter over the last 2.
SEC event timeline
4 events
- +515,869 shares · 2025Q413F
- Two Sigma Investments opened position2026-02-17+2,613,806 shares · 2025Q413F
- Izzy Englander (Millennium Mgmt) trimmed2026-02-17−312,636 shares · 2025Q413F
- +413,487 shares · 2025Q313F
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 positions2
- Two Sigma Investments+2,613,806$4.4M
- Ken Griffin (Citadel Advisors)+515,869$877K
Added to0
—
Trimmed1
- Izzy Englander (Millennium Mgmt)−312,636$531K
Exited0
—
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2025Q3 | 3 | $6.1M |
| 2025Q4 | 5 | $6.9M |
Who owns ABTC
5 super-investors · 2025Q4
Tracked stake
4.03M
shares
Combined value
$7M
% of shares outstanding
—
shares-out unknown
Quarter action mix
New4Trim1
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | Two Sigma Investments | 2.61M | $4M |
| 2 | Ken Griffin Citadel Advisors | 515.9K | $877K |
| 3 | Ken Griffin Citadel Advisors | 515.4K | $876K |
| 4 | Ken Griffin Citadel Advisors | 287.6K | $489K |
| 5 | Izzy Englander Millennium Mgmt | 100.9K | $171K |
Recent moves
4 transactions
- +515,869 · 2025Q4
- +2,613,806 · 2025Q4
- −312,636 · 2025Q4
- +413,487 · 2025Q3
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