Latest Period
Q1 2026
Security Snapshot
Plum Acquisition Corp, IV - Class A Common Stock (PLMK) Institutional Ownership
CUSIP: G7134A104
13F Institutional Holders and Ownership History from Q1 2025 to Q1 2026
Institutions Reporting
43
Shares (Excl. Options)
17,105,713
Price
$10.56
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- Security type / class
- Equity / Class A Common Stock
- Symbol
- PLMK on Nasdaq
- All holders as of 31 Mar 2026
- Q1 2026
- Total 13F shares
- 17,105,713
- Total 13F value
- $180,623,109
- Portfolio coverage rank
- 0%
- Share change
- +419,286
- Value change
- +$4,567,903
- Number of holders
- 43
- Shares outstanding
- 18,508,714
- SEC-reported price per share
- $10.67
Latest holder snapshot
5 signals
Issuer context
Names, identifiers, and filing context for this profile.
2 identity fields
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Key facts
- PLMK - Plum Acquisition Corp, IV - Class A Common Stock is tracked under CUSIP G7134A104.
- 43 institutions reported positions in Q1 2026.
- 5 significant owners is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 44 to 43 between Q4 2025 and Q1 2026.
- SEC-reported value moved from $174,170,406 to $180,623,109.
Research use
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Evidence
Source: SEC Form 13F
Open SEC evidence
Latest holder context comes from 43 institutions filings for Q1 2026.
Security key
G7134A104
Latest holder period
Q1 2026
13F holders
43
13D/G owners
5
CIK / CUSIP context first
Open Q1 2026 holders
PLMK full holder history
Plum Acquisition Corp, IV SEC filings
Plum Acquisition Corp, IV company facts
Plum Acquisition Corp, IV insider transactions
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP G7134A104:
13D/G owners
Significant owners
Large-stake holder rows connected to Schedule 13D/G evidence.
Rows
5
Security
PLMK
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| PLUM PARTNERS IV, LLC | 28% | $67,518,500 | 6,685,000 | Plum Partners IV, LLC | 16 Jan 2025 | |||
| METEORA CAPITAL, LLC | 6.2% | $12,157,116 | 1,151,242 | Meteora Capital, LLC | 31 Mar 2026 | |||
| AQR CAPITAL MANAGEMENT LLC | 5.2% | $9,700,323 | 960,428 | AQR Capital Management, LLC | 31 Mar 2025 | |||
| Westchester Capital Management, LLC | 5% | -23% | $9,726,816 | -$3,209,184 | 921,100 | -25% | Westchester Capital Management, LLC | 31 Mar 2026 |
| BARCLAYS PLC | 3.5% | -51% | $6,705,815 | -$5,123,086 | 651,050 | -43% | Barclays PLC | 30 Jun 2025 |
As of 31 Mar 2026, 43 institutional investors reported holding 17,105,713 shares of Plum Acquisition Corp, IV - Class A Common Stock (PLMK). This represents 92% of the company’s total 18,508,714 outstanding shares.
13F concentration
Top 25 institutional shareholders
Largest 13F positions for this security by reported shares and value.
Top holder share
80%
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| METEORA CAPITAL, LLC | 6.2% | 1,151,242 | +1051% | 0.9% | $12,157,116 |
| AQR Arbitrage LLC | 5.2% | 963,504 | +0.32% | 0.17% | $10,174,602 |
| Westchester Capital Management, LLC | 5% | 921,100 | -25% | 0.47% | $9,726,816 |
| D. E. Shaw & Co., Inc. | 4.6% | 853,875 | 0% | 0.01% | $9,016,920 |
| BERKLEY W R CORP | 4.3% | 804,192 | +4.6% | 0.46% | $8,492,268 |
| GLAZER CAPITAL, LLC | 4.2% | 782,959 | -0.05% | 0.18% | $8,268,000 |
| TENOR CAPITAL MANAGEMENT Co., L.P. | 3.8% | 700,000 | 0% | 0.12% | $7,392,000 |
| Linden Advisors LP | 3.8% | 700,000 | 0% | 0.04% | $7,392,000 |
| Karpus Management, Inc. | 3.6% | 662,200 | -1.5% | 0.22% | $6,992,832 |
| ARISTEIA CAPITAL, L.L.C. | 3.5% | 651,175 | 0% | 0.16% | $6,876,408 |
| MIZUHO SECURITIES USA LLC | 3.3% | 603,467 | +61% | 0.15% | $6,366,577 |
| Context Capital Management, LLC | 3.2% | 597,999 | -15% | 0.15% | $6,314,869 |
| Magnetar Financial LLC | 2.7% | 500,000 | 0% | 0.05% | $5,275,000 |
| Alberta Investment Management Corp | 2.7% | 500,000 | 0% | 0.03% | $5,280,000 |
| LMR Partners LLP | 2.7% | 500,000 | 0% | 0.05% | $5,280,000 |
| TWO SIGMA INVESTMENTS, LP | 2.7% | 498,437 | 0% | 0% | $5,263,495 |
| WOLVERINE ASSET MANAGEMENT LLC | 2.7% | 491,317 | -2.9% | 0.08% | $5,188,308 |
| Radcliffe Capital Management, L.P. | 2.4% | 449,055 | 0% | 0.36% | $4,742,021 |
| TORONTO DOMINION BANK | 2.3% | 423,310 | +1657% | 0.01% | $4,470,154 |
| Polar Asset Management Partners Inc. | 2.2% | 400,000 | 0% | 0.1% | $4,224,000 |
| SONA ASSET MANAGEMENT (US) LLC | 1.9% | 350,000 | 0.14% | $3,696,000 | |
| RIVERNORTH CAPITAL MANAGEMENT, LLC | 1.9% | 344,356 | -6.8% | 0.18% | $3,636,399 |
| GOLDMAN SACHS GROUP INC | 1.8% | 339,882 | +0.09% | 0% | $3,589,154 |
| BOOTHBAY FUND MANAGEMENT, LLC | 1.7% | 312,844 | 0.08% | $3,303,633 | |
| MILLENNIUM MANAGEMENT LLC | 1.6% | 300,100 | +100% | 0% | $3,169,056 |
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
5
Latest
Q1 2026
Rows shown
1-5 of 5
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q1 | 17,105,713 | $180,623,109 | +$4,567,903 | $10.56 | 43 |
| 2025 Q4 | 16,686,427 | $174,170,406 | +$1,282,635 | $10.43 | 44 |
| 2025 Q3 | 16,815,053 | $173,520,845 | +$2,457,043 | $10.32 | 42 |
| 2025 Q2 | 16,328,883 | $167,912,970 | +$24,528,335 | $10.28 | 40 |
| 2025 Q1 | 13,612,238 | $136,671,841 | +$136,671,841 | $10.04 | 34 |