The public view is the crawlable proof. The same sourced dataset is available through REST and MCP for agents, research scripts, and back-office tools.
This stock page is the Follow view. The Build view lets your agent query AACBR owners, fund changes, insider filings, and source links through REST or MCP.
curl -H "Authorization: Bearer YOUR_API_KEY" \ "https://arkolith.com/api/v1/stocks/AACBR"
Use Arkolith to show who owns AACBR, which funds added or reduced it, and which SEC filings prove each claim.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | Polar Asset Management Partners Inc. | $450K | 1.5M | —Held | Q1 2026 | |
| 2 | AQR Arbitrage LLC | $405K | 1.5M | ▼−2.0% Reduced · −30K sh | Q1 2026 | |
| 3 | Alberta Investment Management Corp | $296K | 980K | —Held | Q1 2026 | |
| 4 | Magnetar Financial LLC | $163K | 600K | —Held | Q1 2026 | |
| 5 | PICTON MAHONEY ASSET MANAGEMENT | $151K | 500K | —Held | Q1 2026 | |
| 6 | MOORE CAPITAL MANAGEMENT, LP | $151K | 500K | —Held | Q1 2026 | |
| 7 | Shaolin Capital Management LLC | $151K | 500K | ▼−23% Reduced · −150K sh | Q1 2026 | |
| 8 | HBK INVESTMENTS L P | $136K | 500K | —Held | Q1 2026 | |
| 9 | RIVERNORTH CAPITAL MANAGEMENT, LLC | $91K | 300K | —Held | Q1 2026 | |
| 10 | Clear Street Group Inc. | $68K | 227K | ▼−0.4% Reduced · −1K sh | Q1 2026 | |
| 11 | Context Capital Management, LLC | $49K | 162K | —Held | Q1 2026 | |
| 12 | Schonfeld Strategic Advisors LLC | $47K | 164K | ▼−0.2% Reduced · −366 sh | Q1 2026 | |
| 13 | BOOTHBAY FUND MANAGEMENT, LLC | $38K | 125K | —Held | Q1 2026 | |
| 14 | Centiva Capital, LP | $27K | 100K | —Held | Q1 2026 | |
| 15 | Verition Fund Management LLC | $27K | 98K | ▼−33% Reduced · −47K sh | Q1 2026 |
Holders and values reflect the 13F filers Arkolith currently tracks, not the entire institutional universe. Counts and totals are a floor, not the full institutional ownership.
No Form 4 insider transactions on file yet.
| Class | 13F holders | Value held |
|---|---|---|
| AACBSHSCL | 35 funds | $175.8M |
| AACBRthis pageSPACS | 25 funds | $4.8M |
| AACBUUNIT 11/27/2029 | 3 funds | $4.8M |
Same issuer, multiple share classes. The consensus leaderboards count this company once across all classes; this is the per-class detail.
| Company | Co-held by | Combined value |
|---|---|---|
| M3-BRIGADE ACQUISITION-CL AMBVI | 15 funds | $89.2M |
| SIDDHI ACQUISITION CORP-ASDHI | 15 funds | $84.2M |
| ARTIUS II ACQUISITION INC-AAACB | 15 funds | $75.5M |
| CRANE HARBOR ACQUISITIO-CL ACRAN | 15 funds | $74.0M |
| HIGHVIEW MERGER CORP-CL AHVMC | 15 funds | $70.0M |
| RANGE CAPITAL ACQUISIT CL ARNGT | 15 funds | $66.6M |
| BTC DEVELOPMENT CORP-CL ABDCI | 15 funds | $51.5M |
| TAILWIND 2.0 ACQUISITIO-CL ATDWD | 15 funds | $51.1M |
| EVOLUTION GLOBAL ACQUIS-CL AEVOX | 15 funds | $49.4M |
| CAL REDWOOD ACQUISITION CORPCRAQR | 15 funds | $1.4M |
| EQV VENTURES ACQUISITION COREVAC/WS | 15 funds | $1.3M |
| AXIOM INTELLIGENCE ACQUISITIAXINR | 15 funds | $1.2M |
Ranked by how many of AACBR's institutional holders also hold each name, a cross-fund conviction signal. Via the MCP server (ticker.co_held).
No filings captured for this ticker in the live stream yet.
13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for AACBR. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes. Every panel above is one call to the Arkolith API & MCP server.