Ranked by reported Q1 2026 13F market value
Share of total reported institutional value in PLMKW held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | Walleye Capital LLC | 542K | $271K | +442.0% | 2.931% | 0.00% |
| 2 | TORONTO DOMINION BANK | 514K | $257K | +87.2% | 2.781% | 0.00% |
| 3 | HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND | 500K | $245K | 0.0% | 2.704% | 0.00% |
| 4 | CNH PARTNERS LLC | 482K | $236K | +0.3% | 2.605% | 0.00% |
| 5 | Lineage Point Capital LP | 428K | $214K | — | 2.314% | 0.05% |
| 6 | TENOR CAPITAL MANAGEMENT Co., L.P. | 350K | $175K | 0.0% | 1.893% | 0.00% |
| 7 | Polar Asset Management Partners Inc. | 350K | $171K | 0.0% | 1.893% | 0.00% |
| 8 | Governors Lane LP | 350K | $157K | 0.0% | 1.893% | 0.02% |
| 9 | LINDEN ADVISORS LP | 350K | $157K | 0.0% | 1.893% | 0.00% |
| 10 | Context Capital Management, LLC | 266K | $133K | -23.9% | 1.440% | 0.00% |
| 11 | Alberta Investment Management Corp | 250K | $125K | 0.0% | 1.352% | 0.00% |
| 12 | LMR Partners LLP | 250K | $125K | 0.0% | 1.352% | 0.00% |
| 13 | Magnetar Financial LLC | 250K | $122K | 0.0% | 1.352% | 0.00% |
| 14 | Clear Street Group Inc. | 213K | $106K | -11.6% | 1.152% | 0.00% |
| 15 | RIVERNORTH CAPITAL MANAGEMENT, LLC | 185K | $92K | 0.0% | 1.000% | 0.00% |
| 16 | Shaolin Capital Management LLC | 183K | $91K | -63.0% | 0.989% | 0.00% |
| 17 | PERISCOPE CAPITAL INC. | 175K | $86K | -17.7% | 0.946% | 0.01% |
| 18 | BNP PARIBAS ARBITRAGE, SA | 170K | $85K | 0.0% | 0.918% | 0.00% |
| 19 | DLD Asset Management, LP | 162K | $81K | +46.5% | 0.875% | 0.01% |
| 20 | Saba Capital Management, L.P. | 100K | $45K | 0.0% | 0.541% | 0.00% |
| 21 | Wealthspring Capital LLC | 89K | $44K | -22.4% | 0.481% | 0.01% |
| 22 | ARISTEIA CAPITAL LLC | 99K | $44K | +101.1% | 0.533% | 0.00% |
| 23 | D. E. Shaw & Co., Inc. | 75K | $37K | 0.0% | 0.406% | 0.00% |
| 24 | Parallax Volatility Advisers, L.P. | 57K | $34K | — | 0.311% | 0.00% |
| 25 | PICTON MAHONEY ASSET MANAGEMENT | 50K | $25K | -33.3% | 0.270% | 0.00% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). “% of Fund” shows how much of that investor’s total 13F portfolio is invested in PLMKW — a direct measure of their conviction.
Filings activity in PLMKW during Q1 2026, grouped by how each filer changed its position.
Institutions that opened a new PLMKW position in Q1 2026
Institutions that fully closed their PLMKW position in Q1 2026
5 quarters of 13F filings · Δ columns show change vs prior quarter
| Quarter | Inst. Holders | Δ Holders | Ownership % | Δ Ownership | Total 13F Value | Δ Value |
|---|---|---|---|---|---|---|
| Q1 2026 | 30 | 12% | 29.21% | +3.22 pp | $3M | +12% |
| Q4 2025 | 34 | 8.1% | 25.99% | 0.26 pp | $3M | 1.0% |
| Q3 2025 | 37 | +2.8% | 26.25% | +3.59 pp | $3M | +16% |
| Q2 2025 | 36 | +24% | 22.66% | +6.06 pp | $3M | +37% |
| Q1 2025 | 29 | — | 16.60% | — | $2M | — |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Δ columns compare to the immediately prior filed quarter.
Quick answers to the most common questions about buying PLMKW stock.
Based on Q1 2026 13F filings, institutional ownership of Plum Acquisition Corp. IV stands at 29.2%, held across 30 reporting institutions.
Walleye Capital LLC is the largest reported institutional holder of PLMKW, with approximately 542,051 shares worth $0.00B as of Q1 2026.
No marquee "smart money" managers (Berkshire, Burry, ARK, Tiger Global, Pershing Square, Baupost, etc.) currently appear among the top 25 institutional holders of PLMKW.
Our composite Smart Money Score for PLMKW is 36 out of 100 (Bearish). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
2 institutions opened new positions in PLMKW during Q1 2026, while 6 fully exited. 25 added to existing positions and 3 trimmed.
PLMKW institutional ownership rose by 3.22 percentage points quarter-over-quarter, with a net change of -4 holders.
The top 10 institutions account for 62.2% of all reported 13F value in PLMKW, and the top 25 account for 97.5%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.
Plum Acquisition Corp. IV (PLMKW) Institutional Ownership