Star Equity Holdings, Inc.
STRR- Exchange
- Nasdaq
- Industry
- Services-Help Supply Services
- SEC CIK
- 0001210708
In the last 90 days, Star Equity Holdings, Inc. insiders filed 1 open-market purchase and 0 sales; 26 institutions reported holding it in 13F filings for Q2 2026, worth $10.2M in total; no superinvestor holds it.
Other share classesSTRRP
Holders of 5% or more of STRR
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Star Equity Holdings, Inc., largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| Eberwein Jeffrey E. | 13D/A | 30.70%1.15M shares | +1.20 ppfrom 29.50% | Aug 22, 20257 filings | Jun 29, 2026 | SEC |
| Mink Brook Partners LP | 13G/A | 9.20%314.5K shares | −0.80 ppfrom 10.00% | Jul 29, 20252 filings | Nov 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
15 Schedule 13D and 13G filings on Star Equity Holdings, Inc., newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Jun 29, 20266:23 PM ET | Eberwein Jeffrey E. | 13D/A | 30.70%1.15M shares | +1.20 ppfrom 29.50% | Jun 25, 2026 | SEC |
| Jun 1, 20266:17 PM ET | Eberwein Jeffrey E. | 13D/A | 29.50%1.10M shares | +1.20 ppfrom 28.30% | May 28, 2026 | SEC |
| Mar 23, 20268:52 PM ET | Eberwein Jeffrey E. | 13D/A | 28.30%1.06M shares | +1.20 ppfrom 27.10% | Mar 19, 2026 | SEC |
| Dec 9, 20258:30 PM ET | Eberwein Jeffrey E. | 13D/A | 27.10%1.03M shares | +5.70 ppfrom 21.40% | Dec 8, 2025 | SEC |
| Nov 19, 20256:38 PM ET | Eberwein Jeffrey E. | 13D/A | 21.40%744.8K shares | +1.70 ppfrom 19.70% | Nov 17, 2025 | SEC |
| Nov 14, 20256:17 AM ET | Mink Brook Partners LPand 4 others | 13G/A | 9.20%314.5K shares | −0.80 ppfrom 10.00% | Sep 30, 2025 | SEC |
| Oct 31, 202511:30 AM ET | Vanguard Group Inc | 13G/A | 4.25%149.0K shares | –Below 5% | Sep 30, 2025 | SEC |
| Oct 7, 20257:05 PM ET | Hotchkis & Wiley Capital Management LLC | 13G/A | 0.34%11.9K shares | −10.33 ppfrom 10.67%Below 5% | Sep 30, 2025 | SEC |
| Oct 7, 20257:03 PM ET | Hotchkis & Wiley Capital Management LLCand 1 other | 13G/A | 10.67%293.5K shares | 0.00 ppfrom 10.67% | Jun 30, 2025 | SEC |
| Sep 18, 20259:01 PM ET | Eberwein Jeffrey E. | 13D/A | 19.70%693.0K shares | +5.10 ppfrom 14.60% | Sep 15, 2025 | SEC |
| Aug 28, 202511:35 AM ET | Heartland Advisors Incand 2 others | 13G/A | 4.90%170.6K shares | −5.80 ppfrom 10.70%Below 5% | Aug 25, 2025 | SEC |
| Aug 22, 20254:52 PM ET | Eberwein Jeffrey E. | 13D/A | 14.60%512.5K shares | – | Aug 22, 2025 | SEC |
| Aug 13, 20258:41 PM ET | Hotchkis & Wiley Capital Management LLC | 13G/A | 10.67%293.5K shares | – | Jun 30, 2025 | SEC |
| Jul 29, 20259:06 AM ET | Mink Brook Partners LPand 4 others | 13G/A | 10.00%274.5K shares | – | Jun 30, 2025 | SEC |
| Feb 8, 202410:28 AM ET | Heartland Advisors Incand 2 others | 13G/A | 10.70%301.5K shares | – | Dec 31, 2023 | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell Star Equity Holdings, Inc. shares.
No Form 144 notices for Star Equity Holdings, Inc. are on file.