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 SAC 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/SAC"
Use Arkolith to show who owns SAC, which funds added or reduced it, and which SEC filings prove each claim.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | Alberta Investment Management Corp | $12.4M | 1.3M | ▲New +1.3M sh | Q1 2026 | |
| 2 | TENOR CAPITAL MANAGEMENT Co., L.P. | $8.0M | 800K | —Held | Q1 2026 | |
| 3 | AQR Arbitrage LLC | $7.7M | 777K | ▲New +777K sh | Q1 2026 | |
| 4 | Magnetar Financial LLC | $5.0M | 500K | —Held | Q1 2026 | |
| 5 | Hudson Bay Capital Management LP | $5.0M | 500K | —Held | Q1 2026 | |
| 6 | Ilex Capital Partners (UK) LLP | $4.1M | 412K | ▲New +412K sh | Q1 2026 | |
| 7 | PICTON MAHONEY ASSET MANAGEMENT | $3.4M | 338K | ▲New +338K sh | Q1 2026 | |
| 8 | Ghisallo Capital Management LLC | $3.0M | 300K | —Held | Q1 2026 | |
| 9 | First Trust Capital Management L.P. | $3.0M | 300K | —Held | Q1 2026 | |
| 10 | Schonfeld Strategic Advisors LLC | $2.6M | 258K | ▲+3.1% Added · +8K sh | Q1 2026 | |
| 11 | WHITEBOX ADVISORS LLC | $2.5M | 250K | ▲New +250K sh | Q1 2026 | |
| 12 | MOORE CAPITAL MANAGEMENT, LP | $2.5M | 250K | —Held | Q1 2026 | |
| 13 | Shaolin Capital Management LLC | $2.5M | 250K | ▲New +250K sh | Q1 2026 | |
| 14 | Clear Street Group Inc. | $2.0M | 201K | ▲New +201K sh | Q1 2026 | |
| 15 | Context Capital Management, LLC | $2.0M | 200K | —Held | Q1 2026 | |
| 16 | HBK INVESTMENTS L P | $2.0M | 200K | ▲~0% Added · +2 sh | Q1 2026 | |
| 17 | Polar Asset Management Partners Inc. | $1.5M | 150K | —Held | Q1 2026 | |
| 18 | Parallax Volatility Advisers, L.P. | $832K | 83K | ▲New +83K sh | Q1 2026 | |
| 19 | ARISTEIA CAPITAL, L.L.C. | $747K | 75K | ▲New +75K 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.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Dec 5, 2025 | Safeguard Acquisition Management LLC | Director, 10% Owner | Grant (A) | 470K | $4.7M |
| Class | 13F holders | Value held |
|---|---|---|
| SACthis pageEquity | 33 funds | $148.4M |
| SAC/WSWarrant | 29 funds | $2.8M |
| SAC/UUnit | 10 funds | $20.3M |
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 |
|---|---|---|
| IDEA ACQUISITION CORPIACOU | 18 funds | $118.4M |
| CANTOR EQUITY PARTNERS-CL ACEPF | 18 funds | $92.3M |
| TRAILBLAZER ACQUISITION-CL ABLZR | 18 funds | $78.6M |
| CANTOR EQUITY PARTNERS-CL ACEPV | 18 funds | $66.3M |
| DRUGS MADE IN AMERICA ACQUISDMII | 17 funds | $156.7M |
| M3-BRIGADE ACQUISITION-CL AMBVI | 17 funds | $103.5M |
| HCM IV ACQUISITION CORPHACQU | 17 funds | $103.1M |
| HIGHVIEW MERGER CORP-CL AHVMC | 17 funds | $80.2M |
| CANTOR EQUITY PARTNERS III-ACAEP | 17 funds | $70.5M |
| ACTIVATE ENERGY ACQUISITIO-AAEAQ | 17 funds | $69.0M |
| PROCAP ACQUISITION CORP - APCAP | 17 funds | $55.7M |
| FIGX CAPITAL ACQUISITION C-AFIGX | 17 funds | $47.1M |
Ranked by how many of SAC's institutional holders also hold each name, a cross-fund conviction signal. Via the MCP server (ticker.co_held).
13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for SAC. 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.