PLMK · Plum Acquisition Corp, IV
$10.62
+0.02 (+0.19%)
At close · Jul 21
Going-concern doubt
— flagged May 15, 2026
Substantial doubt about the company's ability to continue as a going concern.
“In connection with our assessment of going concern considerations in accordance with Accounting Standards Codification (“ASC”) Topic 205-40, “Going Concern,” as of March 31, 2026, management has determined that mandatory liquidation, should a business combination not occur, and potential subsequent dissolution and the liquidity issue raise substantial doubt about our ability to continue as a going concern for one year from the date the unaudited condensed consolidated financial statements are issued.”View the 10-Q filed May 15, 2026
Market Cap
$257.46M
Shares
24.24M
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: 43
Total Value: $180,636,317
Total Shares: 17,105,713
Institutional Ownership Trend
5 quarters
Holder Concentration
Across 43 13F filers · Δ vs Dec 31, 2025Top Holder
6.7%
−0.6 pts
Top 5
27.4%
−0.1 pts
Top 10
47.9%
−0.4 pts
HHI
358
Broadly held−16
Quarterly Activity
vs Dec 31, 2025
New
6
Increased
9
Decreased
10
Sold Out
7
Unchanged
18
Holder count:
-1
Institutional value:
+3.5%
Shares held:
+2.5%
Top Buyers
vs Dec 31, 2025| Institution | Added | Now Holds | Open |
|---|---|---|---|
| Mid METEORA CAPITAL, LLC | +1,051,242 | 1,151,242 | |
| Large TORONTO DOMINION BANK | +399,212 | 423,310 | |
| Mid MIZUHO SECURITIES USA LLC | +228,467 | 603,467 | |
| Mega MILLENNIUM MANAGEMENT LLC | +150,100 | 300,100 | |
| Mid BERKLEY W R CORP | +35,304 | 804,192 |
Top Sellers
vs Dec 31, 2025| Institution | Sold | Now Holds | Open |
|---|---|---|---|
| Mid First Trust Capital Management L.P. | −353,213 | 296,787 | |
| Mid Westchester Capital Management, LLC | −303,900 | 921,100 | |
| Large Hudson Bay Capital Management LP | −300,083 | 212,406 | |
| 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 | |
| Small HIGHBRIDGE CAPITAL MANAGEMENT LLC | 173,488 | $1,832,033 | |
| 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 Verition Fund Management LLC | 228,160 | $2,386,553 | |
| Large COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS | 137,513 | $1,438,385 | |
| Large Centiva Capital, LP | 100,000 | $1,046,000 | |
| Large Schonfeld Strategic Advisors LLC | 34,057 | $356,236 |
| Holder | Value (USD) | % of 13F | Shares | Type | Discretion | Filed | Open | |||
|---|---|---|---|---|---|---|---|---|---|---|
| Mid METEORA CAPITAL, LLC | $12,157,115 | 6.73% | 1,151,242 | Shares | Defined | 2026-05-15 | ||||
| Mid AQR Arbitrage LLC | $10,174,602 | 5.63% | 963,504 | Shares | Defined | 2026-05-15 | ||||
| Mid Westchester Capital Management, LLC | $9,726,815 | 5.38% | 921,100 | Shares | Other | 2026-05-15 | ||||
| Mega D. E. Shaw & Co., Inc. | $9,016,920 | 4.99% | 853,875 | Shares | Defined | 2026-05-15 | ||||
| Mid BERKLEY W R CORP | $8,492,267 | 4.70% | 804,192 | Shares | Sole | 2026-05-15 | ||||
| Mid GLAZER CAPITAL, LLC | $8,268,047 | 4.58% | 782,959 | Shares | Sole | 2026-05-14 | ||||
| Mid TENOR CAPITAL MANAGEMENT Co., L.P. | $7,392,000 | 4.09% | 700,000 | Shares | Sole | 2026-05-15 | ||||
| Mid Linden Advisors LP | $7,392,000 | 4.09% | 700,000 | Shares | Sole | 2026-05-15 | ||||
| Mid Karpus Management, Inc. | $6,992,832 | 3.87% | 662,200 | Shares | Sole | 2026-05-14 | ||||
| Mid ARISTEIA CAPITAL, L.L.C. | $6,876,408 | 3.81% | 651,175 | Shares | Sole | 2026-05-15 | ||||
| Mid MIZUHO SECURITIES USA LLC Broker-Dealer | $6,372,611 | 3.53% | 603,467 | Shares | Defined | 2026-05-11 | ||||
| Small Context Capital Management, LLC | $6,314,869 | 3.50% | 597,999 | Shares | Sole | 2026-05-07 | ||||
| Mid Magnetar Financial LLC | $5,280,000 | 2.92% | 500,000 | Shares | Sole | 2026-05-13 | ||||
| Large LMR Partners LLP | $5,280,000 | 2.92% | 500,000 | Shares | Sole | 2026-05-15 | ||||
| Mid Alberta Investment Management Corp | $5,280,000 | 2.92% | 500,000 | Shares | Sole | 2026-04-29 | ||||
| Mega TWO SIGMA INVESTMENTS, LP | $5,263,494 | 2.91% | 498,437 | Shares | Sole | 2026-05-15 | ||||
| Mid WOLVERINE ASSET MANAGEMENT LLC | $5,188,307 | 2.87% | 491,317 | Shares | Defined | 2026-05-04 | ||||
| Small Radcliffe Capital Management, L.P. | $4,742,020 | 2.63% | 449,055 | Shares | Sole | 2026-05-15 | ||||
| Large TORONTO DOMINION BANK Bank | $4,470,153 | 2.47% | 423,310 | Shares | Defined | 2026-05-15 | ||||
| Mid Polar Asset Management Partners Inc. | $4,224,000 | 2.34% | 400,000 | Shares | Sole | 2026-05-15 | ||||
| Mid SONA ASSET MANAGEMENT (US) LLC | $3,696,000 | 2.05% | 350,000 | Shares | Other | 2026-05-15 | ||||
| Mid RIVERNORTH CAPITAL MANAGEMENT, LLC | $3,636,399 | 2.01% | 344,356 | Shares | Sole | 2026-05-15 | ||||
| Mega GOLDMAN SACHS GROUP INC | $3,589,153 | 1.99% | 339,882 | Shares | Defined | 2026-05-15 | ||||
| Mid BOOTHBAY FUND MANAGEMENT, LLC | $3,303,632 | 1.83% | 312,844 | Shares | Other | 2026-05-15 | ||||
| Mega MILLENNIUM MANAGEMENT LLC | $3,169,056 | 1.75% | 300,100 | Shares | Sole | 2026-05-15 | ||||
| Mid First Trust Capital Management L.P. | $3,134,070 | 1.74% | 296,787 | Shares | Sole | 2026-05-14 | ||||
| Small Periscope Capital Inc. | $2,904,000 | 1.61% | 275,000 | Shares | Sole | 2026-05-14 | ||||
| Large Jain Global LLC | $2,641,056 | 1.46% | 250,100 | Shares | Sole | 2026-05-15 | ||||
| Small HEIGHTS CAPITAL MANAGEMENT, INC | $2,640,000 | 1.46% | 250,000 | Shares | Other | 2026-05-15 | ||||
| Large Hudson Bay Capital Management LP | $2,243,007 | 1.24% | 212,406 | Shares | Sole | 2026-05-13 | ||||
| Small Wealthspring Capital LLC | $2,134,176 | 1.18% | 202,100 | Shares | Sole | 2026-05-04 | ||||
| Mid CANTOR FITZGERALD, L. P. | $2,007,508 | 1.11% | 190,105 | Shares | Defined | 2026-05-15 | ||||
| Small HIGHBRIDGE CAPITAL MANAGEMENT LLC | $1,832,033 | 1.01% | 173,488 | Shares | Sole | 2026-05-15 | ||||
| Mid PICTON MAHONEY ASSET MANAGEMENT | $1,584,000 | 0.88% | 150,000 | Shares | Sole | 2026-05-13 | ||||
| Mid WHITEBOX ADVISORS LLC | $1,056,000 | 0.58% | 100,000 | Shares | Sole | 2026-05-15 | ||||
| Mid MOORE CAPITAL MANAGEMENT, LP | $792,000 | 0.44% | 75,000 | Shares | Sole | 2026-05-15 | ||||
| Micro Kepos Capital LP | $528,000 | 0.29% | 50,000 | Shares | Sole | 2026-05-12 | ||||
| Mega GEODE CAPITAL MANAGEMENT, LLC | $351,098 | 0.19% | 33,248 | Shares | Defined | 2026-05-15 | ||||
| Small Crossingbridge Advisors, LLC | $264,000 | 0.15% | 25,000 | Shares | Sole | 2026-05-14 | ||||
| Large HRT FINANCIAL LP | $113,403 | 0.06% | 10,739 | Shares | Defined | 2026-05-14 | ||||
| Mega CITADEL ADVISORS LLC | $107,448 | 0.06% | 10,175 | Shares | Defined | 2026-05-15 | ||||
| Small LONGFELLOW INVESTMENT MANAGEMENT CO LLC | $5,005 | 0.00% | 474 | Shares | Sole | 2026-05-12 | ||||
| Mega MORGAN STANLEY | $813 | 0.00% | 77 | Shares | Defined | 2026-05-15 | ||||
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