Who owns Star Holdings (STHO)
Which tracked institutional funds hold STHO, how they are positioned, and who is buying versus exiting — from SEC Form 13F-HR filings. See STHO company fundamentals →
Ownership as of the 2026-Q2 13F filings (latest filed 2026-09-22). 13F is disclosed up to 45 days after quarter-end, so the most recent quarter fills in over the following weeks.
How the tape is positioned
The tracked-fund tape on STHO is one-sided between 2026-Q1 and 2026-Q2: 18 added or opened and 2 trimmed or exited — on balance accumulating.
A prompt to read the filings, not a verdict. 13F is a quarter-end snapshot disclosed up to 45 days late; a fund adds or exits for mandate, benchmark, and timing reasons that have nothing to do with a view on the stock. This is a starting question, not a signal to trade.
Conviction spread
STHO’s largest tracked holder by dollar value, Hartree Partners, LP, sizes it at 9.4% of its own reported 13F book, while the median holder sizes it at 0.0% of theirs — a 9.4pp conviction gap — its largest holder concentrates the name more heavily than the typical one.
Book-share is each fund’s reported value in STHO divided by its whole reported 13F book, so it is comparable across funds of different sizes and is unaffected by stock splits. A higher share means a fund has committed more of its book to the name — a starting question about conviction, not a verdict or a signal to trade.
Institutional & insider positioning
Between 2026-Q1 and 2026-Q2, across 119 tracked filers holding STHO, 41 increased or opened the position and 58 reduced or closed it; over the same quarter, there were no open-market insider Form 4s.
This fuses two public signals for the same quarter — how tracked institutions changed their positions and whether insiders bought or sold in the open market. It describes what was filed; it is a starting question, not a verdict or a signal to trade.
New buyers & exits
Funds opening or closing a position in STHO between the 2026-Q1 and 2026-Q2 13F filings, and the largest changes among funds holding it in both. New buyers and exits are counted on fund presence (split-invariant); adds and trims are measured on reported value.
New buyers 1
- Maridea Wealth Management LLC$550K
Full exits 1
- GSA CAPITAL PARTNERS LLP$611K
Largest adds
- Hartree Partners, LP$2M
- HIGHBRIDGE CAPITAL MANAGEMENT LLC$2M
- TORONTO DOMINION BANK$2M
- TCW GROUP INC$2M
- Bandera Partners LLC$2M
- FOURSIXTHREE CAPITAL LP$1M
Largest trims
- JPMORGAN CHASE & CO$9M
Institutional holders
One row per tracked fund, most shares held first (every row is from one quarter; reported value breaks ties). “% of value” is the fund’s share of this security’s tracked institutional value — not of shares outstanding.
| Fund | Shares | Reported value | % of value | Quarter |
|---|---|---|---|---|
| Hartree Partners, LP | 3,400,907 | $44M | 17.9% | 2026-Q2 |
| Bandera Partners LLC | 2,745,360 | $35M | 14.4% | 2026-Q2 |
| Summit Trail Advisors, LLC added | 2,030,000 | $26M | 10.7% | 2026-Q2 |
| Lubar & Co., Inc | 1,295,985 | $17M | 6.8% | 2026-Q2 |
| TORONTO DOMINION BANK trimmed | 1,167,625 | $11M | 4.4% | 2026-Q2 |
| HIGHBRIDGE CAPITAL MANAGEMENT LLC trimmed | 1,129,139 | $10M | 4.2% | 2026-Q2 |
| Oakcliff Capital Partners, LP | 1,099,239 | $14M | 5.8% | 2026-Q2 |
| FOURSIXTHREE CAPITAL LP | 883,897 | $8M | 3.3% | 2026-Q2 |
| RENAISSANCE TECHNOLOGIES LLC trimmed | 881,007 | $11M | 4.6% | 2026-Q2 |
| Saba Capital Management, L.P. trimmed | 757,228 | $7M | 2.8% | 2026-Q2 |
| TCW GROUP INC added | 683,487 | $6M | 2.6% | 2026-Q2 |
| JPMORGAN CHASE & CO trimmed | 605,766 | $8M | 3.2% | 2026-Q2 |
| VANGUARD CAPITAL MANAGEMENT LLC added | 536,747 | $5M | 2.0% | 2026-Q2 |
| Peapod Lane Capital LLC added | 412,468 | $4M | 1.5% | 2026-Q2 |
| Rangeley Capital, LLC added | 324,408 | $3M | 1.2% | 2026-Q2 |
| BlackRock, Inc. added | 260,227 | $2M | 1.0% | 2026-Q2 |
| Joel Isaacson & Co., LLC added | 192,003 | $2M | 1.0% | 2026-Q2 |
| Blackstone Inc. trimmed | 165,910 | $2M | 0.9% | 2026-Q2 |
| GEODE CAPITAL MANAGEMENT, LLC trimmed | 161,956 | $1M | 0.6% | 2026-Q2 |
| DOLIVER ADVISORS, LP | 139,939 | $2M | 0.7% | 2026-Q2 |
| Gem Investment Advisors, LLC added | 137,884 | $1M | 0.5% | 2026-Q2 |
| GOLDMAN SACHS GROUP INC added | 136,611 | $1M | 0.5% | 2026-Q2 |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP added | 132,086 | $2M | 0.7% | 2026-Q2 |
| Verition Fund Management LLC | 102,342 | $934K | 0.4% | 2026-Q2 |
| Crossingbridge Advisors, LLC trimmed | 100,000 | $1M | 0.5% | 2026-Q2 |
| MORGAN STANLEY trimmed | 79,901 | $1M | 0.4% | 2026-Q2 |
| VANGUARD FIDUCIARY TRUST CO added | 77,037 | $703K | 0.3% | 2026-Q2 |
| GABELLI FUNDS LLC | 74,502 | $680K | 0.3% | 2026-Q2 |
| Quantinno Capital Management LP trimmed | 73,599 | $672K | 0.3% | 2026-Q2 |
| BROWN ADVISORY INC trimmed | 73,524 | $944K | 0.4% | 2026-Q2 |
| CITADEL ADVISORS LLC added | 73,480 | $943K | 0.4% | 2026-Q2 |
| ROYAL BANK OF CANADA trimmed | 60,293 | $551K | 0.2% | 2026-Q2 |
| GABELLI & Co INVESTMENT ADVISERS, INC. | 59,050 | $539K | 0.2% | 2026-Q2 |
| JACOBS LEVY EQUITY MANAGEMENT, INC trimmed | 57,459 | $525K | 0.2% | 2026-Q2 |
| Marquette Asset Management, LLC added | 57,253 | $523K | 0.2% | 2026-Q2 |
| STATE STREET CORP | 55,065 | $503K | 0.2% | 2026-Q2 |
| PARSONS CAPITAL MANAGEMENT INC/RI trimmed | 52,006 | $668K | 0.3% | 2026-Q2 |
| D. E. Shaw & Co., Inc. added | 51,616 | $471K | 0.2% | 2026-Q2 |
| WELLS FARGO & COMPANY/MN added | 47,803 | $614K | 0.3% | 2026-Q2 |
| COMMONWEALTH EQUITY SERVICES, LLC added | 44,202 | $568K | 0.2% | 2026-Q2 |
| Maridea Wealth Management LLC new | 42,815 | $550K | 0.2% | 2026-Q2 |
| ARISTEIA CAPITAL, L.L.C. trimmed | 41,142 | $376K | 0.2% | 2026-Q2 |
| Black Maple Capital Management LP | 40,970 | $374K | 0.2% | 2026-Q2 |
| DIMENSIONAL FUND ADVISORS LP trimmed | 38,380 | $350K | 0.1% | 2026-Q2 |
| UBS Group AG trimmed | 32,004 | $411K | 0.2% | 2026-Q2 |
| TWO SIGMA INVESTMENTS, LP added | 31,900 | $291K | 0.1% | 2026-Q2 |
| MILLENNIUM MANAGEMENT LLC trimmed | 27,356 | $351K | 0.1% | 2026-Q2 |
| NORTHERN TRUST CORP trimmed | 27,213 | $248K | 0.1% | 2026-Q2 |
| HOWARD FINANCIAL SERVICES, LTD. | 26,629 | $243K | 0.1% | 2026-Q2 |
| GREENWOOD GEARHART LLC added | 26,300 | $338K | 0.1% | 2026-Q2 |
| &PARTNERS | 25,500 | $327K | 0.1% | 2026-Q2 |
| Hyperion Capital Advisors LP | 25,400 | $326K | 0.1% | 2026-Q2 |
| RAMSEY QUANTITATIVE SYSTEMS new | 23,810 | $217K | 0.1% | 2026-Q2 |
| LPL Financial LLC trimmed | 23,517 | $302K | 0.1% | 2026-Q2 |
| Round Rock Advisors LLC | 20,961 | $269K | 0.1% | 2026-Q2 |
| MGO ONE SEVEN LLC added | 20,063 | $258K | 0.1% | 2026-Q2 |
| JANE STREET GROUP, LLC trimmed | 19,145 | $246K | 0.1% | 2026-Q2 |
| XTX Topco Ltd trimmed | 17,739 | $162K | 0.1% | 2026-Q2 |
| Cerity Partners LLC trimmed | 17,502 | $160K | 0.1% | 2026-Q2 |
| PCM Encore, LLC | 16,538 | $151K | 0.1% | 2026-Q2 |
| AMERICAN CENTURY COMPANIES INC added | 15,965 | $146K | 0.1% | 2026-Q2 |
| Aster Capital Management (DIFC) Ltd | 15,575 | $122K | 0.0% | 2026-Q2 |
| StoneX Group Inc. added | 15,100 | $194K | 0.1% | 2026-Q2 |
| PDT Partners, LLC trimmed | 14,250 | $130K | 0.1% | 2026-Q2 |
| Qube Research & Technologies Ltd added | 14,030 | $128K | 0.1% | 2026-Q2 |
| ANGELES WEALTH MANAGEMENT, LLC | 13,199 | $121K | 0.0% | 2026-Q2 |
| M&T Bank Corp | 13,199 | $121K | 0.0% | 2026-Q2 |
| Clear Harbor Asset Management, LLC | 13,000 | $167K | 0.1% | 2026-Q2 |
| Kingsview Wealth Management, LLC trimmed | 12,408 | $159K | 0.1% | 2026-Q2 |
| AlphaCentric Advisors LLC trimmed | 11,462 | $147K | 0.1% | 2026-Q2 |
| NewEdge Advisors, LLC added | 11,436 | $147K | 0.1% | 2026-Q2 |
| AMERIPRISE FINANCIAL INC | 11,347 | $146K | 0.1% | 2026-Q2 |
| Trexquant Investment LP trimmed | 11,047 | $101K | 0.0% | 2026-Q2 |
| PRIVATE MANAGEMENT GROUP INC | 10,612 | $97K | 0.0% | 2026-Q2 |
| Engineers Gate Manager LP trimmed | 10,415 | $95K | 0.0% | 2026-Q2 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC added | 10,186 | $93K | 0.0% | 2026-Q2 |
| Wilkinson Global Asset Management LLC | 10,000 | $128K | 0.1% | 2026-Q2 |
| US BANCORP \DE\ | 9,000 | $116K | 0.0% | 2026-Q2 |
| Vanguard Global Advisers, LLC | 7,051 | $64K | 0.0% | 2026-Q2 |
| OSAIC HOLDINGS, INC. added | 5,545 | $71K | 0.0% | 2026-Q2 |
| HM PAYSON & CO | 5,000 | $64K | 0.0% | 2026-Q2 |
| Spire Wealth Management | 4,537 | $58K | 0.0% | 2026-Q2 |
| Versant Capital Management, Inc | 4,484 | $41K | 0.0% | 2026-Q2 |
| PNC Financial Services Group, Inc. trimmed | 4,059 | $37K | 0.0% | 2026-Q2 |
| BNP PARIBAS FINANCIAL MARKETS trimmed | 3,572 | $46K | 0.0% | 2026-Q2 |
| JONES FINANCIAL COMPANIES LLLP added | 3,270 | $42K | 0.0% | 2026-Q2 |
| Integrated Wealth Concepts LLC new | 3,100 | $40K | 0.0% | 2026-Q2 |
| Russell Investments Group, Ltd. | 3,083 | $28K | 0.0% | 2026-Q2 |
| BARCLAYS PLC | 2,352 | $30K | 0.0% | 2026-Q2 |
| UMB Bank, n.a. new | 2,300 | $30K | 0.0% | 2026-Q2 |
| Crews Bank & Trust | 2,182 | $28K | 0.0% | 2026-Q2 |
| Arax Advisory Partners added | 2,074 | $19K | 0.0% | 2026-Q2 |
| CITIGROUP INC trimmed | 2,020 | $26K | 0.0% | 2026-Q2 |
| SIMPLEX TRADING, LLC added | 1,915 | $17K | 0.0% | 2026-Q2 |
| FMR LLC added | 1,839 | $17K | 0.0% | 2026-Q2 |
| TD Waterhouse Canada Inc. | 1,400 | $18K | 0.0% | 2026-Q2 |
| GAMMA Investing LLC trimmed | 1,399 | $13K | 0.0% | 2026-Q2 |
| Napier Financial, LLC added | 1,245 | $16K | 0.0% | 2026-Q2 |
| KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC | 1,000 | $13K | 0.0% | 2026-Q2 |
| Catherine Avery Investment Management LLC new | 808 | $10K | 0.0% | 2026-Q2 |
Ownership over time
Tracked institutional holder count and total shares held by filing quarter (independent scales). The curated-era tail and any mid-ingest latest quarter are handled honestly — a partial quarter is not drawn as a collapse.
Reading this table
Funds hold the same stock for different reasons — an index fund “holds” almost everything, an active manager sizes a name to a mandate and a benchmark, and each fund entered at its own price and time. Because 13F is filed up to 45 days after quarter-end, every row is a backward-looking snapshot; a manager may have traded since. Share-class siblings (a company’s A and C shares) are rolled up to one line so a dual-class name is never double-counted. Compare like-for-like. A large holder is not an endorsement, and a fund exiting is not a warning — this is a starting question, not a verdict.
About 13F filings
A Form 13F is a quarterly disclosure that institutional investment managers with over $100 million in US-listed equities must file with the SEC. In plain English: it is a snapshot of the long stock positions a fund held at the end of a quarter. It covers long US-listed equities only — not short positions, options, cash, or private holdings — and the funds shown are the large sample we track, not the complete 13F universe.