ALP
Alpha Compute CorpCompany with tickers: ATON
CIK
1095435
CUSIP
G7185A136
Shares Outstanding
23,534,388
13F Activity (30d)
18 filings
16 filers
Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.
Holders: 22
Total Value: $1,010,062
Total Shares: 3,196,446
Institutional Ownership Trend
Holder Concentration
Across 22 13F filers · Δ vs Dec 31, 2025Top Holder
64.8%
+2.0 pts
Top 5
95.7%
−3.2 pts
Top 10
99.4%
−0.5 pts
HHI
4,623
Highly concentrated
−438
Quarterly Activity
vs Dec 31, 2025
New
10
Increased
2
Decreased
1
Sold Out
1
Unchanged
9
Holder count:
+9
Institutional value:
+5391.9%
Shares held:
+10324.4%
Top Buyers
vs Dec 31, 2025| Institution | Added | Now Holds | Open |
|---|---|---|---|
| Mega UBS Group AG | +5,377 | 5,544 | |
| Mega JANE STREET GROUP, LLC | +1,188 | 11,381 |
Top Sellers
vs Dec 31, 2025| Institution | Sold | Now Holds | Open |
|---|---|---|---|
| Large OSAIC HOLDINGS, INC. | −50 | 5 |
Top New Positions
vs Dec 31, 2025| Institution | Acquired | Value (USD) | Open |
|---|---|---|---|
| Micro SABBY MANAGEMENT, LLC | 2,072,103 | $654,784 | |
| Mid Shay Capital LLC | 612,300 | $193,486 | |
| Small FNY Investment Advisers, LLC | 178,711 | $56,472 | |
| Micro One68 Global Capital, LLC | 112,000 | $35,392 | |
| Mid PRELUDE CAPITAL MANAGEMENT, LLC | 85,000 | $26,860 |
Top Sold-Out Positions
vs Dec 31, 2025| Institution | Previously Held | Last Value (USD) | Open |
|---|---|---|---|
| Mid SBI Securities Co., Ltd. | 2 | $1 |
| Holder | Value (USD) | % of 13F | Shares | Type | Discretion | Filed | Open | |||
|---|---|---|---|---|---|---|---|---|---|---|
| Micro SABBY MANAGEMENT, LLC | $654,784 | 64.83% | 2,072,103 | Shares | Defined | 2026-05-15 | ||||
| Mid Shay Capital LLC | $193,486 | 19.16% | 612,300 | Shares | Sole | 2026-05-15 | ||||
| Small FNY Investment Advisers, LLC | $56,472 | 5.59% | 178,711 | Shares | Sole | 2026-04-15 | ||||
| Micro One68 Global Capital, LLC | $35,392 | 3.50% | 112,000 | Shares | Sole | 2026-05-15 | ||||
| Mid PRELUDE CAPITAL MANAGEMENT, LLC | $26,860 | 2.66% | 85,000 | Shares | Other | 2026-05-15 | ||||
| Micro Warberg Asset Management LLC | $13,314 | 1.32% | 42,133 | Shares | Sole | 2026-05-07 | ||||
| Mid XTX Topco Ltd | $7,344 | 0.73% | 23,241 | Shares | Defined | 2026-05-15 | ||||
| Small TWO SIGMA SECURITIES, LLC Broker-Dealer | $6,722 | 0.67% | 21,275 | Shares | Sole | 2026-05-15 | ||||
| Small QTR Family Wealth, LLC | $6,089 | 0.60% | 19,272 | Shares | Sole | 2026-04-16 | ||||
| Small NORDEN GROUP LLC | $3,951 | 0.39% | 12,506 | Shares | Sole | 2026-04-15 | ||||
| Mega JANE STREET GROUP, LLC | $3,595 | 0.36% | 11,381 | Shares | Defined | 2026-05-12 | ||||
| Mega UBS Group AG | $1,750 | 0.17% | 5,544 | Shares | Defined | 2026-05-05 | ||||
| Mega BlackRock, Inc. | $127 | 0.01% | 408 | Shares | Sole | 2026-05-13 | ||||
| Large JONES FINANCIAL COMPANIES LLLP | $94 | 0.01% | 300 | Shares | Sole | 2026-05-15 | ||||
| Mega MORGAN STANLEY | $31 | 0.00% | 100 | Shares | Defined | 2026-05-15 | ||||
| Large NATIONAL BANK OF CANADA /FI/ Bank | $23 | 0.00% | 73 | Shares | Defined | 2026-05-15 | ||||
| Mega ROYAL BANK OF CANADA Bank | $23 | 0.00% | 75 | Shares | Defined | 2026-05-15 | ||||
| Mega BNP PARIBAS ARBITRAGE, SA | $2 | 0.00% | 9 | Shares | Defined | 2026-05-12 | ||||
| Small Princeton Global Asset Management LLC | $2 | 0.00% | 8 | Shares | Sole | 2026-04-22 | ||||
| Large OSAIC HOLDINGS, INC. | $1 | 0.00% | 5 | Shares | Defined | 2026-05-15 | ||||
| Mega CITIGROUP INC | $0 | 0.00% | 1 | Shares | Defined | 2026-05-11 | ||||
| Large Federation des caisses Desjardins du Quebec | $0 | 0.00% | 1 | Shares | Defined | 2026-05-14 | ||||
| No holders match your search. | ||||||||||