MultiSensor AI Holdings, Inc.
MultiSensor AI Holdings, Inc. (MSAI) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · MSAI · as of Sep 30, 2025
Ownership Breakdown
18
Institutional Holders
▼ 2 vs Q2
$9.73M
Total Inst. Value
▲ $852,176 vs Q2
933,725
Shares Outstanding
freeFloat 87.06%
15.08M
13F Shares Held
▲ 239,286 vs Q2
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
MSAI largest shareholders · institutional ownership
Q3 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
325 CAPITAL LLC blank checks | 9.38M | 27.94% | 27.94% | $6.05B | Nov 14, 2025 | — held |
SANDERS MORRIS HARRIS LLC blank checks | 3.24M | 9.65% | 9.65% | $2.09B | Oct 7, 2025 | ▲ 265.1K |
BLEICHROEDER LP blank checks | 700.0K | 2.09% | 2.09% | $451.50M | Nov 14, 2025 | — held |
BARD ASSOCIATES INC blank checks | 578.0K | 1.72% | 1.72% | $372.81M | Nov 14, 2025 | ▼ 1.0K |
VANGUARD GROUP INC blank checks | 516.1K | 1.54% | 1.54% | $332.91M | Nov 7, 2025 | ▼ 2.8K |
GEODE CAPITAL MANAGEMENT, LLC blank checks | 279.1K | 83.18% | 83.18% | $180.00M | Nov 12, 2025 | ▲ 47.6K |
STATE STREET CORP blank checks | 101.6K | 30.28% | 30.28% | $65.53M | Nov 14, 2025 | — held |
U.S. CAPITAL WEALTH ADVISORS, LLC blank checks | 83.6K | 24.91% | 24.91% | $53.91M | Oct 9, 2025 | ▼ 3.0K |
SUSQUEHANNA INTERNATIONAL GROUP, LLP blank checks | 58.3K | 17.38% | 17.38% | $37.61M | Nov 14, 2025 | NEW |
NORTHERN TRUST CORP blank checks | 43.7K | 13.04% | 13.04% | $28.22M | Nov 14, 2025 | — held |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q3 2025 vs prior quarter
Q3 2025
2
Increased
+312.7K shares2
New Positions
first time holders8
Decreased
−22.8K shares4
Sold Out
fully exitedNet shares change (top 50)
+289.9K
+312.7K / −22.8K
Net new holders
-8
2 new / 4 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
MSAI insider trading · insider activity
Source: SEC Form 4
5
Buy transactions
1
Sell transactions
5.00
Buy/Sell ratio
$0M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
KITSOS PETROS director | Mar 31, 2026 | Award | 47,619 | — | — | 136.7K | Form 4 ↗ |
Gow David director | Mar 31, 2026 | Award | 47,619 | — | — | 844.2K | Form 4 ↗ |
Flavin Stuart V director | Mar 31, 2026 | Award | 47,619 | — | — | 150.1K | Form 4 ↗ |
Chu Margaret M director | Mar 31, 2026 | Award | 47,619 | — | — | 136.7K | Form 4 ↗ |
FRIEDBERG DANIEL M. See Footnotes | Mar 31, 2026 | Award | 95,238 | — | — | 245.3K | Form 4 ↗ |
Nadolny Robert Chief Financial Officer | Jan 7, 2026 | Tax Withhold | 14,681 | $0.29 | $4.3K | 222.3K | Form 4 ↗ |
FRIEDBERG DANIEL M. See Footnotes | Dec 31, 2025 | Award | 48,900 | — | — | 150.1K | Form 4 ↗ |
KITSOS PETROS director | Dec 31, 2025 | Award | 24,450 | — | — | 89.1K | Form 4 ↗ |
Gow David director | Dec 31, 2025 | Award | 48,900 | — | — | 796.5K | Form 4 ↗ |
Flavin Stuart V director | Dec 31, 2025 | Award | 24,450 | — | — | 102.5K | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
MultiSensor AI Holdings, Inc. (MSAI) is primarily owned by institutional investors, who hold approximately 100.0% of total shares outstanding. Company insiders own approximately 12.94%, while retail and public investors account for the remaining 0.00%.
The largest institutional shareholder of MultiSensor AI Holdings, Inc. is 325 CAPITAL LLC, holding approximately 9.38 million shares — equal to 27.94% of outstanding shares — as of September 30, 2025.
A total of 18 institutional investors currently hold MSAI stock, with a combined institutional value of approximately $9,725,275 as of the most recent 13F filing period.
Frequently asked questions
MSAI ownershipMultiSensor AI Holdings, Inc. (MSAI) is primarily owned by institutional investors, who hold approximately 100.0% of shares. The largest shareholder is 325 CAPITAL LLC with a 27.94% stake. Company insiders hold 12.94%. Data sourced from SEC Form 13F as of September 30, 2025.