19 tracked 13F filers disclose a position in PTOR as of the latest SEC 13F filings, a combined $89.0M 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 | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | Magnetar Financial LLC | $14.7M | 1.5M | ▲New +1.5M sh | Q1 2026 | |
| 2 | TENOR CAPITAL MANAGEMENT Co., L.P. | $10.8M | 1.1M | ▲New +1.1M sh | Q1 2026 | |
| 3 | Shaolin Capital Management LLC | $8.3M | 850K | ▲New +850K sh | Q1 2026 | |
| 4 | BERKLEY W R CORP | $7.8M | 796K | ▲New +796K sh | Q1 2026 | |
| 5 | Hudson Bay Capital Management LP | $7.4M | 750K | ▲New +750K sh | Q1 2026 | |
| 6 | Governors Lane LP | $6.9M | 700K | ▲New +700K sh | Q1 2026 | |
| 7 | Clear Street Group Inc. | $3.4M | 504K | ▲New +504K sh | Q1 2026 | |
| 8 | D. E. Shaw & Co., Inc. | $4.9M | 500K | ▲New +500K sh | Q1 2026 | |
| 9 | Polar Asset Management Partners Inc. | $4.9M | 500K | ▲New +500K sh | Q1 2026 | |
| 10 | TWO SIGMA INVESTMENTS, LP | $3.9M | 399K | ▲New +399K sh | Q1 2026 | |
| 11 | CSS LLC/IL | $3.9M | 397K | ▲New +397K sh | Q1 2026 | |
| 12 | LINDEN ADVISORS LP | $2.5M | 250K | ▲New +250K sh | Q1 2026 | |
| 13 | Decagon Asset Management LLP | $2.3M | 233K | ▲New +233K sh | Q1 2026 | |
| 14 | Context Capital Management, LLC | $2.0M | 200K | —Held | Q2 2026 | |
| 15 | ExodusPoint Capital Management, LP | $1.7M | 174K | ▲New +174K sh | Q1 2026 | |
| 16 | Radcliffe Capital Management, L.P. | $1.6M | 167K | ▲New +167K sh | Q1 2026 | |
| 17 | Parallax Volatility Advisers, L.P. | $1.3M | 129K | ▲New +129K sh | Q1 2026 | |
| 18 | TORONTO DOMINION BANK | $836K | 85K | ▲New +85K sh | Q1 2026 | |
| 19 | MORGAN STANLEY | $98 | 10 | ▲New +10 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.
Last quarter, 14 funds opened a new position in PTOR, while 0 reduced and 0 exited entirely — 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 | Combined value |
|---|---|---|
| CANTOR EQUITY PARTNERS-CL ACEPF | 14 funds | $100.9M |
| M EVO GLOBAL ACQUISITIO-CL AMEVO | 14 funds | $87.4M |
| FUTURECREST ACQUISITION-CL AFCRS | 14 funds | $58.5M |
| PRAETORIAN ACQUISITION CORPPTORW | 14 funds | $881K |
| MESHFLOW ACQUISITION CO-CL AMESH | 13 funds | $112.1M |
| CENTURION ACQUISITION CORPALF | 13 funds | $100.4M |
| IDEA ACQUISITION CORPIACOU | 13 funds | $92.5M |
| REPUBLIC DIGITAL ACQUIS-CL ARDAG | 13 funds | $86.5M |
| TRAILBLAZER ACQUISITION-CL ABLZR | 13 funds | $73.5M |
| PIONEER ACQUISITION I-CL APACH | 13 funds | $71.4M |
| CANTOR EQUITY PARTNERS-CL ACEPV | 13 funds | $59.9M |
| INSIGHT DIGITAL PARTNERS I-ADYOR | 13 funds | $57.4M |
Ranked by how many of PTOR's institutional holders also hold each name, a cross-fund conviction signal.
No open-market insider transactions on file yet. Grants, gifts, and exercises live on the full insider page.
| Class | 13F holders | Value held |
|---|---|---|
| PTORthis pageORD SHS CL A | 19 funds | $89.0M |
| PTORUUnit | 16 funds | $115.5M |
| PTORWWarrant | 16 funds | $959K |
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.