TriSalus Life Sciences Inc.
Ownership
Ownership Structure
Who owns TriSalus Life Sciences Inc. (TLSI)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 80.9% of the shares are freely tradable; institutional investors hold 34.4%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| First Light Asset Management, LLC | 10.64 | 6,552,491 | +29.3 | 06/30/2026 |
| BlackRock Inc | 4.32 | 2,659,218 | +77.3 | 06/30/2026 |
| Nantahala Capital Management, LLC | 3.25 | 2,000,000 | -3.4 | 06/30/2026 |
| Vanguard Capital Management, LLC | 2.81 | 1,729,385 | +28.4 | 06/30/2026 |
| HPM Partners LLC | 2.60 | 1,603,538 | +103.7 | 06/30/2026 |
| Geode Capital Management, LLC | 1.93 | 1,190,067 | +53.1 | 06/30/2026 |
| Gilder Gagnon Howe & CO LLC | 1.38 | 850,081 | -4.3 | 06/30/2026 |
| State Street Corp | 0.99 | 610,963 | +86.3 | 06/30/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Vanguard MStar Total Stk Mkt Idx Invest | 1.85 | 1,141,870 | +0.0 | 09/30/2026 |
| iShares Russell 2000 ETF | 1.82 | 1,122,613 | -1.1 | 09/30/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Insider holdings
| Person | Role | Shares | Value | As of | Type |
|---|---|---|---|---|---|
| Szela Mary T | CEO and President | 1,074,990 | 3,869,964 $ | Oct 5, 2026 | direct |
| Cox Bryan F. | Chief of Research | 162,805 | 586,098 $ | Oct 5, 2026 | direct |
| Marshak Richard | Chief Commercial Officer | 127,994 | 460,778 $ | Oct 5, 2026 | direct |
| Stevens Jennifer | Chief Regulatory Officer | 123,794 | 445,658 $ | Oct 5, 2026 | direct |
Holdings as of each person's most recent SEC Form 4 filing — excluding options and RSUs, which are not shares yet. Holdings may have changed between two filings.
Insiders
Insider Transactions
| Date | Person | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Oct 5, 2026 | Cox Bryan F. | Chief of Research | Sell | 296 | 4.39 | 1,299 |
| Oct 5, 2026 | Marshak Richard | Chief Commercial Officer | Sell | 325 | 4.39 | 1,427 |
| Oct 5, 2026 | Stevens Jennifer | Chief Regulatory Officer | Sell | 316 | 4.39 | 1,387 |
| Oct 5, 2026 | Szela Mary T | CEO and President | Other | 2,693 | 4.38 | 11,795 |
Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character. View all insider transactions →
Data as of: November 2, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.