TriSalus Life Sciences, Inc.
TLSI- Exchange
- Nasdaq
- Industry
- Surgical & Medical Instruments & Apparatus
- SEC CIK
- 0001826667
No open-market purchases or sales by TriSalus Life Sciences, Inc. insiders were filed in the last 90 days; 78 institutions reported holding it in 13F filings for Q2 2026, worth $99.0M in total; no superinvestor holds it.
Other share classesTLSIW
Holders of 5% or more of TLSI
Holders whose latest Schedule 13D or 13G filing reports 5% or more of TriSalus Life Sciences, Inc., largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| Frankenius Equity AB | 13D/A | 14.00%6.99M shares | −6.50 ppfrom 20.50% | Dec 19, 20243 filings | Aug 4, 2025 | SEC |
| Wahlstrom Mats | 13D/A | 6.00%2.99M shares | −3.00 ppfrom 9.00% | Dec 19, 20242 filings | Aug 1, 2025 | SEC |
| Nantahala Capital Management, LLC | 13G | 5.29%2.00M shares | New | Aug 14, 20251 filing | Aug 14, 2025 | SEC |
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
7 Schedule 13D and 13G filings on TriSalus Life Sciences, Inc., newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Aug 18, 202510:16 AM ET | Utmost Group Plc | 13G | 0.05%2.00M shares | NewBelow 5% | May 19, 2025 | SEC |
| Aug 14, 20254:37 PM ET | Nantahala Capital Management, LLCand 2 others | 13G | 5.29%2.00M shares | New | Jun 30, 2025 | SEC |
| Aug 4, 20257:33 AM ET | Frankenius Equity ABand 1 other | 13D/A | 14.00%6.99M shares | −6.50 ppfrom 20.50% | Jul 31, 2025 | SEC |
| Aug 1, 20255:16 PM ET | Wahlstrom Matsand 3 others | 13D/A | 6.00%2.99M shares | −3.00 ppfrom 9.00% | Jul 31, 2025 | SEC |
| May 2, 20254:17 PM ET | Frankenius Equity ABand 1 other | 13D/A | 20.50%6.73M shares | −0.40 ppfrom 20.90% | Apr 30, 2025 | SEC |
| Dec 19, 20244:12 PM ET | Wahlstrom Matsand 2 others | 13D/A | 9.00%2.80M shares | – | Dec 17, 2024 | SEC |
| Dec 19, 20244:12 PM ET | Frankenius Equity ABand 1 other | 13D/A | 20.90%6.49M shares | – | Dec 17, 2024 | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell TriSalus Life Sciences, Inc. shares.
No Form 144 notices for TriSalus Life Sciences, Inc. are on file.