Ranked by reported Q2 2026 13F market value
Share of total reported institutional value in PLMK held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | METEORA CAPITAL, LLC | 977K | $10.4M | -15.1% | 4.032% | 0.86% |
| 2 | D. E. Shaw & Co., Inc. | 854K | $9.1M | 0.0% | 3.522% | 0.00% |
| 3 | BERKLEY W R CORP | 806K | $8.6M | +0.2% | 3.323% | 0.39% |
| 4 | AQR Arbitrage LLC | 741K | $7.9M | -23.1% | 3.057% | 0.11% |
| 5 | LINDEN ADVISORS LP | 700K | $7.5M | 0.0% | 2.887% | 0.04% |
| 6 | TENOR CAPITAL MANAGEMENT Co., L.P. | 700K | $7.5M | 0.0% | 2.887% | 0.11% |
| 7 | MIZUHO SECURITIES USA LLC | 603K | $6.4M | 0.0% | 2.489% | 0.06% |
| 8 | Alberta Investment Management Corp | 500K | $5.3M | 0.0% | 2.063% | 0.03% |
| 9 | LMR Partners LLP | 500K | $5.3M | 0.0% | 2.063% | 0.02% |
| 10 | Radcliffe Capital Management, L.P. | 446K | $4.8M | -0.6% | 1.841% | 0.36% |
| 11 | SONA ASSET MANAGEMENT (US) LLC | 350K | $3.7M | 0.0% | 1.444% | 0.08% |
| 12 | RIVERNORTH CAPITAL MANAGEMENT, LLC | 344K | $3.6M | -0.1% | 1.419% | 0.17% |
| 13 | GOLDMAN SACHS GROUP INC | 340K | $3.6M | 0.0% | 1.402% | 0.00% |
| 14 | BOOTHBAY FUND MANAGEMENT, LLC | 311K | $3.3M | -0.7% | 1.281% | 0.04% |
| 15 | MILLENNIUM MANAGEMENT LLC | 300K | $3.2M | 0.0% | 1.238% | 0.00% |
| 16 | First Trust Capital Management L.P. | 297K | $3.2M | 0.0% | 1.224% | 0.18% |
| 17 | HEIGHTS CAPITAL MANAGEMENT, INC | 250K | $2.7M | -0.2% | 1.030% | 0.61% |
| 18 | Jain Global LLC | 247K | $2.6M | -1.4% | 1.017% | 0.01% |
| 19 | CANTOR FITZGERALD, L. P. | 190K | $2.0M | 0.0% | 0.784% | 0.01% |
| 20 | PICTON MAHONEY ASSET MANAGEMENT | 150K | $1.6M | 0.0% | 0.619% | 0.01% |
| 21 | Hudson Bay Capital Management LP | 100K | $1.1M | -52.9% | 0.413% | 0.00% |
| 22 | PERISCOPE CAPITAL INC. | 100K | $1.1M | -63.6% | 0.413% | 0.09% |
| 23 | MOORE CAPITAL MANAGEMENT, LP | 75K | $800K | 0.0% | 0.309% | 0.01% |
| 24 | Centiva Capital, LP | 64K | $681K | — | 0.264% | 0.01% |
| 25 | TWO SIGMA INVESTMENTS, LP | 56K | $598K | -88.8% | 0.231% | 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 PLMK — a direct measure of their conviction.
Filings activity in PLMK during Q2 2026, grouped by how each filer changed its position.
Institutions that opened a new PLMK position in Q2 2026
Institutions that fully closed their PLMK position in Q2 2026
6 quarters of 13F filings · Δ columns show change vs prior quarter
| Quarter | Inst. Holders | Δ Holders | Ownership % | Δ Ownership | Total 13F Value | Δ Value |
|---|---|---|---|---|---|---|
| Q2 2026 | 35 | 19% | 43.87% | 26.69 pp | $108M | 37% |
| Q1 2026 | 43 | +0.0% | 70.56% | +4.50 pp | $172M | +8.6% |
| Q4 2025 | 43 | +2.4% | 66.06% | 2.88 pp | $158M | 1.8% |
| Q3 2025 | 42 | +0.0% | 68.94% | +1.17 pp | $161M | +1.9% |
| Q2 2025 | 42 | +20% | 67.77% | +11.62 pp | $158M | +25% |
| Q1 2025 | 35 | — | 56.15% | — | $126M | — |
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 PLMK stock.
Based on Q2 2026 13F filings, institutional ownership of Plum Acquisition Corp. IV stands at 43.9%, held across 35 reporting institutions.
METEORA CAPITAL, LLC is the largest reported institutional holder of PLMK, with approximately 977,428 shares worth $0.01B as of Q2 2026.
Yes — 2 widely-followed marquee investors appear among the top 25 institutional holders of PLMK, including MILLENNIUM MANAGEMENT LLC, TWO SIGMA INVESTMENTS, LP.
Our composite Smart Money Score for PLMK is 33 out of 100 (Bearish). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
3 institutions opened new positions in PLMK during Q2 2026, while 10 fully exited. 20 added to existing positions and 11 trimmed.
PLMK institutional ownership fell by 26.69 percentage points quarter-over-quarter, with a net change of -8 holders.
The top 10 institutions account for 67.3% of all reported 13F value in PLMK, and the top 25 account for 98.5%.
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.