PLMK
Plum Acquisition Corp, IVCompany with tickers: PLMK, PLMKU, PLMKW
CIK
2030482
CUSIP
G7134A104
Shares Outstanding
18,492,875
13F Activity (30d)
15 filings
15 filers
Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.
Holders: 19
Total Value: $71,161,162
Total Shares: 6,738,747
Institutional Ownership Trend
6 quarters
Holder Concentration
Across 19 13F filers · Δ vs Dec 31, 2025Top Holder
14.3%
+1.7 pts
Top 5
55.2%
+4.0 pts
Top 10
86.5%
+6.0 pts
HHI
875
Broadly held+124
Quarterly Activity
vs Dec 31, 2025
New
4
Increased
3
Decreased
2
Sold Out
11
Unchanged
10
Holder count:
-7
Institutional value:
-11.0%
Shares held:
-11.8%
Top Buyers
vs Dec 31, 2025| Institution | Added | Now Holds | Open |
|---|---|---|---|
| Mid MIZUHO SECURITIES USA LLC | +228,467 | 603,467 | |
| Mega GEODE CAPITAL MANAGEMENT, LLC | +17,123 | 33,248 | |
| Mid AQR Arbitrage LLC | +3,076 | 963,504 |
Top Sellers
vs Dec 31, 2025| Institution | Sold | Now Holds | Open |
|---|---|---|---|
| Small Periscope Capital Inc. | −140,959 | 275,000 | |
| Small Context Capital Management, LLC | −102,001 | 597,999 |
Top New Positions
vs Dec 31, 2025| Institution | Acquired | Value (USD) | Open |
|---|---|---|---|
| Mid SONA ASSET MANAGEMENT (US) LLC | 350,000 | $3,696,000 | |
| Mid BOOTHBAY FUND MANAGEMENT, LLC | 312,844 | $3,303,632 | |
| Mid CANTOR FITZGERALD, L. P. | 190,105 | $2,007,508 | |
| Large HRT FINANCIAL LP | 10,739 | $113,403 |
Top Sold-Out Positions
vs Dec 31, 2025| Institution | Previously Held | Last Value (USD) | Open |
|---|---|---|---|
| Mid Governors Lane LP | 700,000 | $7,322,000 | |
| Large Jain Global LLC | 250,100 | $2,616,046 | |
| Large Verition Fund Management LLC | 228,160 | $2,386,553 | |
| Mid PICTON MAHONEY ASSET MANAGEMENT | 150,000 | $1,569,000 | |
| Large COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS | 137,513 | $1,438,385 |
| Holder | Value (USD) | % of 13F | Shares | Type | Discretion | Filed | Open | |||
|---|---|---|---|---|---|---|---|---|---|---|
| Mid AQR Arbitrage LLC | $10,174,602 | 14.30% | 963,504 | Shares | Defined | 2026-05-15 | ||||
| Mega D. E. Shaw & Co., Inc. | $9,016,920 | 12.67% | 853,875 | Shares | Defined | 2026-05-15 | ||||
| Mid Linden Advisors LP | $7,392,000 | 10.39% | 700,000 | Shares | Sole | 2026-05-15 | ||||
| Mid MIZUHO SECURITIES USA LLC Broker-Dealer | $6,372,611 | 8.96% | 603,467 | Shares | Defined | 2026-05-11 | ||||
| Small Context Capital Management, LLC | $6,314,869 | 8.87% | 597,999 | Shares | Sole | 2026-05-07 | ||||
| Mid Alberta Investment Management Corp | $5,280,000 | 7.42% | 500,000 | Shares | Sole | 2026-04-29 | ||||
| Mega TWO SIGMA INVESTMENTS, LP | $5,263,494 | 7.40% | 498,437 | Shares | Sole | 2026-05-15 | ||||
| Small Radcliffe Capital Management, L.P. | $4,742,020 | 6.66% | 449,055 | Shares | Sole | 2026-05-15 | ||||
| Mid SONA ASSET MANAGEMENT (US) LLC | $3,696,000 | 5.19% | 350,000 | Shares | Other | 2026-05-15 | ||||
| Mid BOOTHBAY FUND MANAGEMENT, LLC | $3,303,632 | 4.64% | 312,844 | Shares | Other | 2026-05-15 | ||||
| Small Periscope Capital Inc. | $2,904,000 | 4.08% | 275,000 | Shares | Sole | 2026-05-14 | ||||
| Small HEIGHTS CAPITAL MANAGEMENT, INC | $2,640,000 | 3.71% | 250,000 | Shares | Other | 2026-05-15 | ||||
| Mid CANTOR FITZGERALD, L. P. | $2,007,508 | 2.82% | 190,105 | Shares | Defined | 2026-05-15 | ||||
| Mid MOORE CAPITAL MANAGEMENT, LP | $792,000 | 1.11% | 75,000 | Shares | Sole | 2026-05-15 | ||||
| Micro Kepos Capital LP | $528,000 | 0.74% | 50,000 | Shares | Sole | 2026-05-12 | ||||
| Mega GEODE CAPITAL MANAGEMENT, LLC | $351,098 | 0.49% | 33,248 | Shares | Defined | 2026-05-15 | ||||
| Small Crossingbridge Advisors, LLC | $264,000 | 0.37% | 25,000 | Shares | Sole | 2026-05-14 | ||||
| Large HRT FINANCIAL LP | $113,403 | 0.16% | 10,739 | Shares | Defined | 2026-05-14 | ||||
| Small LONGFELLOW INVESTMENT MANAGEMENT CO LLC | $5,005 | 0.01% | 474 | Shares | Sole | 2026-05-12 | ||||
| No holders match your search. | ||||||||||