Among active 13F managers last quarter, 13 opened and 1 added, while 2 reduced; the largest holder to move was Alberta Investment Management Corp (new position). No recent Form 4 insider filings for PTOR.
Funds lean in and no leg opposes.
29 tracked 13F filers disclose a position in PTOR as of the latest SEC 13F filings, a combined $129.8M 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 | Magnetar Financial LLC | 1.5M | $14.9M | —Held | Q2 2026 | |
| 2 | Alberta Investment Management Corp | 1.4M | $13.9M | ▲New +1.4M sh | Q2 2026 | |
| 3 | Tenor Capital Management Co., L.P. | 1.1M | $10.8M | —Held | Q2 2026 | |
| 4 | AQR Arbitrage LLC | 949K | $9.4M | ▲New +949K sh | Q2 2026 | |
| 5 | Berkley W R Corp | 796K | $7.8M | ▲New +796K sh | Q1 2026 | |
| 6 | Shaolin Capital Management LLC | 765K | $7.6M | ▼−10% Reduced · −85K sh | Q2 2026 | |
| 7 | Hudson Bay Capital Management LP | 750K | $7.4M | —Held | Q2 2026 | |
| 8 | Governors Lane LP | 700K | $7.0M | —Held | Q2 2026 | |
| 9 | Polar Asset Management Partners Inc. | 500K | $5.0M | —Held | Q2 2026 | |
| 10 | Periscope Capital Inc. | 500K | $5.0M | —Held | Q2 2026 | |
| 11 | D. E. Shaw & Co., Inc. | 500K | $4.9M | ▲New +500K sh | Q1 2026 | |
| 12 | Picton Mahoney Asset Management | 500K | $5.0M | ▲New +500K sh | Q2 2026 | |
| 13 | Whitebox Advisors LLC | 400K | $4.0M | ▲New +400K sh | Q2 2026 | |
| 14 | Clear Street Group Inc. | 399K | $2.4M | ▼−21% Reduced · −105K sh | Q2 2026 | |
| 15 | Two Sigma Investments, LP | 399K | $3.9M | ▲New +399K sh | Q1 2026 | |
| 16 | Radcliffe Capital Management, L.P. | 282K | $2.8M | ▲+68% Added · +114K sh | Q2 2026 | |
| 17 | Quarry LP | 250K | $2.5M | ▲New +250K sh | Q2 2026 | |
| 18 | Linden Advisors LP | 250K | $2.5M | ▲New +250K sh | Q1 2026 | |
| 19 | Logan Stone Capital, LLC | 250K | $2.5M | ▲New +250K sh | Q2 2026 | |
| 20 | CSS LLC | 204K | $2.0M | ▼−49% Reduced · −193K sh | Q2 2026 | |
| 21 | Context Capital Management, LLC | 200K | $2.0M | —Held | Q2 2026 | |
| 22 | Rivernorth Capital Management, LLC | 200K | $2.0M | ▲New +200K sh | Q2 2026 | |
| 23 | Parallax Volatility Advisers, L.P. | 115K | $1.1M | ▼−10% Reduced · −13K sh | Q2 2026 | |
| 24 | DLD Asset Management, LP | 110K | $1.1M | —Held | Q2 2026 | |
| 25 | Warberg Asset Management LLC | 100K | $993K | —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, 13 funds opened a new position in PTOR and 1 added to an existing one, while 2 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 |
|---|---|---|
| Republic Digital Acquis-CL ARDAG | 24 funds | $117.1M |
| M Evo Global Acquisitio-CL AMEVO | 23 funds | $111.2M |
| Lightwave Acquisition Corp-ALWAC | 23 funds | $104.1M |
| D. Boral Acquisition I-CL ADBCA | 22 funds | $117.5M |
| Apex Treasury Corp-CL AAPXT | 22 funds | $117.0M |
| Trailblazer Acquisition-CL ABLZR | 22 funds | $103.0M |
| Pioneer Acquisition I-CL APACH | 22 funds | $101.8M |
| Tailwind 2.0 Acquisitio-CL ATDWD | 22 funds | $71.7M |
| Eqv Ventures Acquisition C-AEVAC | 21 funds | $189.9M |
| Meshflow Acquisition Co-CL AMESH | 21 funds | $149.4M |
| Crane Harbor Acquisitio-CL ACRAN | 21 funds | $122.1M |
| Wen Acquisition Corp-AWENN | 21 funds | $110.0M |
Ranked by how many of PTOR's tracked holders also hold each name. The last column is those co-holders' combined reported position in that name, not in PTOR.
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 | 1 | 4 | – |
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 |
|---|---|---|
| PTORthis pageORD SHS CL A | 29 funds | $129.8M |
| PTORWRT | 25 funds | $1.6M |
| PTORUUnit | 10 funds | $81.5M |
Same issuer, multiple share classes. The consensus leaderboards count this company once across all classes; this is the per-class detail.
No filings captured for this ticker in the live stream yet.
Connected entities for PTOR
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/PTOR/capital-change-brief"
Use Arkolith's capital_change_brief for PTOR. 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 PTOR. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.