Among active 13F managers last quarter, 10 opened and 3 added, while 4 reduced; the largest holder to move was Adage Capital Partners GP, L.L.C. (new position). No open-market insider trades in the last 180 days.
Funds lean in and no leg opposes.
47 tracked 13F filers disclose a position in SAC as of the latest SEC 13F filings, a combined $181.3M in reported value. 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.
| # | Fund | Shares | Position value | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | Adage Capital Partners GP, L.L.C. | 1.8M | $17.9M | ▲New +1.8M sh | Q1 2026 | |
| 2 | Harraden Circle Investments, LLC | 1.5M | $14.8M | ▲+52% Added · +500K sh | Q2 2026 | |
| 3 | Alberta Investment Management Corp | 1.3M | $12.6M | —Held | Q2 2026 | |
| 4 | Healthcare Of Ontario Pension Plan Trust Fund | 1.1M | $11.5M | —Held | Q1 2026 | |
| 5 | Millennium Management LLC | 822K | $8.2M | ▼−19% Reduced · −198K sh | Q1 2026 | |
| 6 | Tenor Capital Management Co., L.P. | 800K | $8.0M | —Held | Q2 2026 | |
| 7 | AQR Arbitrage LLC | 796K | $8.0M | ▲+2.3% Added · +18K sh | Q2 2026 | |
| 8 | Linden Advisors LP | 750K | $7.5M | ▲New +750K sh | Q1 2026 | |
| 9 | D. E. Shaw & Co., Inc. | 704K | $7.0M | ▲New +704K sh | Q1 2026 | |
| 10 | Hudson Bay Capital Management LP | 500K | $5.0M | —Held | Q2 2026 | |
| 11 | Magnetar Financial LLC | 500K | $5.0M | —Held | Q2 2026 | |
| 12 | Radcliffe Capital Management, L.P. | 500K | $5.0M | —Held | Q2 2026 | |
| 13 | Sculptor Capital LP | 500K | $5.0M | —Held | Q2 2026 | |
| 14 | BNP Paribas Financial Markets | 479K | $4.8M | ▲New +479K sh | Q1 2026 | |
| 15 | Kryger Capital LLC | 402K | $4.0M | ▼−1.7% Reduced · −7K sh | Q2 2026 | |
| 16 | Two Sigma Investments, LP | 363K | $3.6M | —Held | Q1 2026 | |
| 17 | LMR Partners LLP | 350K | $3.5M | ▲New +350K sh | Q2 2026 | |
| 18 | Davidson Kempner Capital Management LP | 350K | $3.5M | ▲New +350K sh | Q2 2026 | |
| 19 | Picton Mahoney Asset Management | 338K | $3.4M | —Held | Q2 2026 | |
| 20 | Ghisallo Capital Management LLC | 300K | $3.0M | —Held | Q2 2026 | |
| 21 | First Trust Capital Management L.P. | 300K | $3.0M | —Held | Q2 2026 | |
| 22 | Schonfeld Strategic Advisors LLC | 285K | $2.9M | ▲+11% Added · +27K sh | Q2 2026 | |
| 23 | Periscope Capital Inc. | 272K | $2.7M | —Held | Q2 2026 | |
| 24 | Whitebox Advisors LLC | 250K | $2.5M | —Held | Q2 2026 | |
| 25 | Moore Capital Management, LP | 250K | $2.5M | —Held | Q2 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.
Last quarter, 10 funds opened a new position in SAC and 3 added to an existing one, while 4 reduced. Based on 13F filings from active, signal-eligible managers (passive index funds and other mechanical holders are excluded from this count).
| Company | Co-held by | Their position there |
|---|---|---|
| Cantor Equity Partners-CL ACEPF | 35 funds | $253.9M |
| Cantor Equity Partners-CL ACEPV | 35 funds | $138.2M |
| Eqv Ventures Acquisition C-AEVAC | 32 funds | $246.3M |
| Futurecrest Acquisition-CL AFCRS | 32 funds | $118.7M |
| Cantor Equity Partners VI -ACEPS | 32 funds | $58.3M |
| Crane Harbor Acquisitio-CL ACRAN | 31 funds | $194.3M |
| Meshflow Acquisition Co-CL AMESH | 31 funds | $181.0M |
| Wen Acquisition Corp-AWENN | 31 funds | $154.8M |
| Daedalus Special Acquis-CL ADSAC | 31 funds | $126.5M |
| Bain Capital GSS Inv- ABCSS | 30 funds | $265.2M |
| Infinite Eagle CL-AIEAG | 30 funds | $169.4M |
| M3-Brigade Acquisition-CL AMBVI | 30 funds | $168.9M |
Ranked by how many of SAC's tracked holders also hold each name. The last column is those co-holders' combined reported position in that name, not in SAC.
No open-market insider transactions on file yet. Grants, gifts, and exercises live on the full insider page.
Where institutional funds (13F), corporate insiders (Form 4) and US House members (STOCK Act) are buying or selling the same name in the same window. Green is buying, red is selling.
Insiders and Congress: last 180 days. Funds: latest 13F, top 100 holders incl. passive
| Source | Buying | Selling | Net |
|---|---|---|---|
13F funds Top 100 holders by value, passive included; the hero counts active managers only | 4 | 5 | – |
Insiders Form 4 open-market | 0 | 0 | $0 |
US House STOCK Act trades | 0 | 0 | $0 |
Capital Rotation reports where institutional capital disclosed rotating, as of the latest public SEC 13F filings. It is data, not investment advice, a recommendation, or a prediction. Filings lag about 45 days and cover long US equity positions only. Past disclosed flows do not indicate future prices. Do your own research; consult a licensed advisor.
| Class | 13F holders | Value held |
|---|---|---|
| SACthis pageEquity | 47 funds | $181.3M |
| SAC/WSWarrant | 39 funds | $4.7M |
| SAC/UUnit | 9 funds | $16.5M |
Same issuer, multiple share classes. The consensus leaderboards count this company once across all classes; this is the per-class detail.
Connected entities for SAC
This stock page is the public Follow view. For one current, evidence-backed answer, use capital_change_brief through REST or MCP. It compares tracked 13F changes with qualifying Form 4 activity and cites the SEC evidence.
curl -H "Authorization: Bearer YOUR_API_KEY" \ "https://arkolith.com/api/v1/stocks/SAC/capital-change-brief"
Use Arkolith's capital_change_brief for SAC. Tell me what changed, whether insider activity corroborates it, and cite the SEC evidence.
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.