Among active 13F managers last quarter, 11 opened and none reduced or exited; the largest holder to move was Highbridge Capital Management LLC (new position). No recent Form 4 insider filings for PLUN.
Funds lean in and no leg opposes.
13 tracked 13F filers disclose a position in PLUN as of the latest SEC 13F filings, a combined $29.5M 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 | Shares | Position value | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | Highbridge Capital Management LLC | 992K | $9.9M | ▲New +992K sh | Q2 2026 | |
| 2 | Crossingbridge Advisors, LLC | 500K | $5.0M | ▲New +500K sh | Q2 2026 | |
| 3 | Shaolin Capital Management LLC | 315K | $3.1M | ▲New +315K sh | Q2 2026 | |
| 4 | Whitebox Advisors LLC | 250K | $2.5M | ▲New +250K sh | Q2 2026 | |
| 5 | StoneX Group Inc. | 187K | $1.9M | ▲New +187K sh | Q2 2026 | |
| 6 | Periscope Capital Inc. | 178K | $1.8M | ▲New +178K sh | Q2 2026 | |
| 7 | Clear Street Group Inc. | 136K | $1.4M | ▲New +136K sh | Q2 2026 | |
| 8 | Boothbay Fund Management, LLC | 101K | $1.0M | ▲New +101K sh | Q2 2026 | |
| 9 | Hudson Bay Capital Management LP | 100K | $995K | ▲New +100K sh | Q2 2026 | |
| 10 | Heights Capital Management, Inc | 100K | $995K | ▲New +100K sh | Q2 2026 | |
| 11 | L1 Global Manager Pty Ltd | 50K | $498K | ▲New +50K sh | Q2 2026 | |
| 12 | Quarry LP | 50K | $498K | ▲New +50K sh | Q2 2026 | |
| 13 | SHP Wealth Management | 50 | $498 | ▲New +50 sh | 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, 11 funds opened a new position in PLUN, while none reduced or exited. 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 |
|---|---|---|
| D. Boral Acquisition I-CL ADBCA | 11 funds | $32.1M |
| Crane Harbor Acquisitio-CL ACRAN | 10 funds | $34.6M |
| Inflection Point Acquisiti-AIPCX | 9 funds | $53.1M |
| Oceanhawk Acquisition Corp-AOHAC | 9 funds | $39.8M |
| Alpex Acquisition CorpALPXU | 9 funds | $34.8M |
| Quantum Leap Acqui Cor-CL AQLEP | 9 funds | $34.7M |
| Colombier Acq III-CL ACLBR | 9 funds | $30.4M |
| Armada Acq Corp III-AAACI | 9 funds | $30.0M |
| M Evo Global Acquisitio-CL AMEVO | 9 funds | $27.7M |
| Futurewave Acquisition CorpFWACU | 9 funds | $27.4M |
| Aa Mission Acquisition-AYCY | 9 funds | $26.1M |
Ranked by how many of PLUN's tracked holders also hold each name. The last column is those co-holders' combined reported position in that name, not in PLUN.
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 | 0 | 0 | – |
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 |
|---|---|---|
| G71382124UNIT 99/99/9999 | 17 funds | $48.7M |
| PLUNthis pageORD CL A | 13 funds | $29.5M |
| PLUN-RRIGHT 03/26/2031 | 9 funds | $691K |
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 PLUN
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/PLUN/capital-change-brief"
Use Arkolith's capital_change_brief for PLUN. 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 PLUN. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.