16 tracked 13F filers disclose a position in PTORU as of the latest SEC 13F filings, a combined $115.5M 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 | STEADFAST CAPITAL MANAGEMENT LP | $19.8M | 2.0M | ▲New +2.0M sh | Q1 2026 | |
| 2 | LMR Partners LLP | $15.3M | 1.6M | ▲New +1.6M sh | Q1 2026 | |
| 3 | Alberta Investment Management Corp | $13.8M | 1.4M | ▲New +1.4M sh | Q1 2026 | |
| 4 | ARISTEIA CAPITAL, L.L.C. | $13.4M | 1.4M | ▲New +1.4M sh | Q1 2026 | |
| 5 | MILLENNIUM MANAGEMENT LLC | $13.1M | 1.3M | ▲New +1.3M sh | Q1 2026 | |
| 6 | AQR Arbitrage LLC | $9.4M | 949K | ▲New +949K sh | Q1 2026 | |
| 7 | BNP PARIBAS FINANCIAL MARKETS | $6.9M | 701K | ▲New +701K sh | Q1 2026 | |
| 8 | TORONTO DOMINION BANK | $6.3M | 636K | ▲New +636K sh | Q1 2026 | |
| 9 | PICTON MAHONEY ASSET MANAGEMENT | $5.0M | 500K | ▲New +500K sh | Q1 2026 | |
| 10 | Lineage Point Capital LP | $4.0M | 406K | ▲New +406K sh | Q1 2026 | |
| 11 | WHITEBOX ADVISORS LLC | $4.0M | 400K | ▲New +400K sh | Q1 2026 | |
| 12 | RIVERNORTH CAPITAL MANAGEMENT, LLC | $2.0M | 200K | ▲New +200K sh | Q1 2026 | |
| 13 | Westchester Capital Management, LLC | $1.5M | 150K | ▲New +150K sh | Q1 2026 | |
| 14 | HEIGHTS CAPITAL MANAGEMENT, INC | $593K | 60K | ▲New +60K sh | Q1 2026 | |
| 15 | Tuttle Capital Management, LLC | $270K | 27K | ▲+7.7% Added · +2K sh | Q2 2026 | |
| 16 | Clear Street Group Inc. | $232K | 23K | ▲New +23K 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, 12 funds opened a new position in PTORU and 1 added to an existing one, 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 |
|---|---|---|
| ABONY ACQUISITION CORP IAACOU | 12 funds | $54.4M |
| CAMBRIDGE ACQUISITION CORPCAQUU | 12 funds | $46.7M |
| NEW PROVIDENCE ACQUISITION-ANPAC | 11 funds | $90.2M |
| IDEA ACQUISITION CORPIACOU | 11 funds | $82.3M |
| SIZZLE ACQUISITION CORP-CL ASZZL | 11 funds | $78.2M |
| SOULPOWER ACQUISITION CO-ASOUL | 11 funds | $72.4M |
| ILLUMINATION ACQUISITION CORILLUU | 11 funds | $55.6M |
| MUZERO ACQUISITION CORPMUZEU | 11 funds | $55.3M |
| REPUBLIC DIGITAL ACQUIS-CL ARDAG | 11 funds | $50.6M |
| MOZAYYX ACQUISITION CORPMZYX/U | 11 funds | $46.0M |
| TITAN ACQUISITION CORP-CL ATACH | 10 funds | $88.0M |
| ANDRETTI ACQUISITION CORP -APOLE | 10 funds | $82.2M |
Ranked by how many of PTORU'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 |
|---|---|---|
| PTORORD SHS CL A | 19 funds | $89.0M |
| PTORUthis pageUnit | 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 PTORU
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/PTORU/capital-change-brief"
Use Arkolith's capital_change_brief for PTORU. 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 PTORU. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.