MultiSensor AI Holdings, Inc. (MSAI) Ownership
MSAI ownership summary
as of October 18, 2026- Institutions
- 37.9% of shares outstanding
- Insiders
- 10.02% of shares outstanding
- Shares outstanding
- 2.2M
- Float
- 1.3M shares available to trade
- Short interest
- 61.13% 173K shares short
- Days to cover
- 18.36 short interest down 2.0% vs prior month
- Institutions 37.88%
- Insiders 10.02%
- Other investors 52.10%
MSAI top institutional holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | 325 Capital LLC | 30.02% | 662K | $2.7M | −4 (−0.0%) | June 30, 2026 |
| 2 | U.S. Capital Wealth Advisors, LLC | 0.09% | 84K | $339,306 | −5,000 (−5.6%) | March 31, 2026 |
| 3 | Bleichroeder LP | 1.39% | 31K | $124,082 | — | June 30, 2026 |
| 4 | Vanguard Capital Management, LLC | 0.98% | 22K | $87,785 | +21,622 (0.0%) | June 30, 2026 |
| 5 | Vanguard Fiduciary Trust Co | 0.27% | 5,870 | $23,832 | +5,870 (0.0%) | June 30, 2026 |
| 6 | Tower Research Capital LLC | 0.08% | 1,756 | $7,129 | +1,756 (0.0%) | June 30, 2026 |
| 7 | Barclays PLC | 0.08% | 1,751 | $7,109 | +1,751 (0.0%) | June 30, 2026 |
| 8 | UBS Group AG | 0.06% | 1,316 | $5,343 | +1,316 (0.0%) | June 30, 2026 |
| 9 | SBI Securities Co Ltd | 0.01% | 265 | $1,076 | −625 (−70.2%) | June 30, 2026 |
| 10 | Chilton Capital Management L P | 0.01% | 187 | $759 | — | June 30, 2026 |
| 11 | State Street Corp | 0.00% | — | — | −3,108 (−100.0%) | June 30, 2026 |
| 12 | Jane Street Group LLC | 0.00% | — | — | −200,148 (−100.0%) | March 31, 2026 |
| 13 | Northern Trust Corp | 0.00% | — | — | −2,047 (−100.0%) | June 30, 2026 |
| 14 | SMH Capital Inc. | 0.00% | — | — | −97,309 (−100.0%) | June 30, 2026 |
| 15 | Hudson Bay Capital Management LP | 0.00% | — | — | −1.2M (−100.0%) | March 31, 2026 |
| 16 | Citigroup Inc | 0.00% | — | — | −1,042 (−100.0%) | June 30, 2026 |
| 17 | Fortitude Family Office LLC | 0.00% | — | — | −1,116 (−100.0%) | March 31, 2026 |
| 18 | L1 Global Manager Pty Ltd | 0.00% | — | — | −2.4M (−100.0%) | March 31, 2026 |
| 19 | Ghisallo Capital Management LLC | 0.00% | — | — | −24,008 (−100.0%) | June 30, 2026 |
| 20 | Geode Capital Management, LLC | 0.00% | — | — | −13,249 (−100.0%) | June 30, 2026 |
Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 5 holders added 32K shares and 13 cut 4.0M.
MSAI top mutual fund and ETF holders
4 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | Vanguard MStar Total Stk Mkt Idx Invest | 0.62% | 14K | $55,090 | — | August 31, 2026 |
| 2 | Fidelity Extended Market Index | 0.27% | 5,851 | $23,755 | −31 (−0.5%) | August 31, 2026 |
| 3 | Fidelity Series Total Market Index | 0.06% | 1,347 | $5,469 | — | August 31, 2026 |
| 4 | Fidelity Total Market Index | 0.06% | 1,290 | $5,237 | — | August 31, 2026 |
Funds report holdings monthly or quarterly; dates differ by fund.
MSAI insider transactions
latest 11| Date | Name | Transaction | Price | Shares | Value |
|---|---|---|---|---|---|
| 2025-10-17 | Michael T. McCaul | Sell | $20.17 | — | — |
| 2025-07-28 | Gary Eugene Strahan | Sell | $31.20 | 1,069 | $33,353 |
| 2025-07-21 | Gary Eugene Strahan | Sell | $30.00 | 2,231 | $66,930 |
| 2025-07-18 | Gary Eugene Strahan | Sell | $30.00 | 873 | $26,190 |
| 2025-07-17 | Gary Eugene Strahan | Sell | $32.40 | 9 | $292 |
| 2025-07-07 | Gary Eugene Strahan | Sell | $26.80 | 674 | $18,063 |
| 2025-06-23 | Gary Eugene Strahan | Sell | $22.00 | 1,917 | $42,174 |
| 2025-06-20 | Gary Eugene Strahan | Sell | $26.40 | 536 | $14,150 |
| 2025-06-12 | Gary Eugene Strahan | Sell | $29.60 | 208 | $6,157 |
| 2025-06-04 | Gary Eugene Strahan | Sell | $32.00 | 87 | $2,784 |
| 2025-06-03 | Gary Eugene Strahan | Sell | $32.40 | 75 | $2,430 |
Reported trades by company officers, directors and other filers (including disclosures by members of Congress where EODHD lists them). "—" where the filing gives no share count.
MSAI shares outstanding
Year-end shares outstanding, adjusted for splits.
Who owns MSAI
Institutional investors own 37.9% of MultiSensor AI's shares and insiders 10.02%. The largest holder is 325 Capital LLC with 30.02% of the shares (662K), as of June 30, 2026. Among the top 20 institutions, 5 added shares and 13 reduced their stake in the latest filings. Short interest is 61.13% of the float, or 18.36 days of average trading volume. The share count rose 148.1% since 2021.
Related: MSAI analyst forecast, MSAI key metrics. See the MSAI stock overview for the latest quote and news.
MSAI ownership FAQ
Who owns the most MultiSensor AI stock?
The largest shareholders of MultiSensor AI are 325 Capital LLC (30.02%), U.S. Capital Wealth Advisors, LLC (0.09%), Bleichroeder LP (1.39%), Vanguard Capital Management, LLC (0.98%), Vanguard Fiduciary Trust Co (0.27%).
What percentage of MultiSensor AI is owned by institutions?
Institutions hold 37.9% of MultiSensor AI's shares outstanding; insiders hold 10.02%.
Which funds own MultiSensor AI?
The largest fund holders of MultiSensor AI are Vanguard MStar Total Stk Mkt Idx Invest (0.62%), Fidelity Extended Market Index (0.27%), Fidelity Series Total Market Index (0.06%), Fidelity Total Market Index (0.06%).
What is MultiSensor AI's short interest?
173K shares of MultiSensor AI were sold short, 61.13% of the float; at the average daily volume it would take 18.36 days to cover.
Are insiders buying or selling MultiSensor AI?
Of the latest 11 reported insider transactions in MultiSensor AI (since June 3, 2025), 0 were purchases and 11 were sales.
How many shares of MultiSensor AI are outstanding?
MultiSensor AI has 2.2M shares outstanding, of which 1.3M are in the public float.