Who owns Siddhi Acquisition (SDHI)
Which tracked institutional funds hold SDHI, how they are positioned, and who is buying versus exiting — from SEC Form 13F-HR filings. See SDHI company fundamentals →
Ownership as of the 2026-Q2 13F filings (latest filed 2026-08-14). 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
7 tracked funds added or opened SDHI while 7 trimmed or exited it between 2026-Q1 and 2026-Q2 — the tape is split. When large holders disagree on a name, the funds moving first are sometimes ahead of the story.
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
SDHI’s largest tracked holder by dollar value, TENOR CAPITAL MANAGEMENT Co., L.P., sizes it at 4.1% of its own reported 13F book, while the median holder sizes it at 0.1% of theirs — a 4.1pp conviction gap — its largest holder concentrates the name more heavily than the typical one.
Book-share is each fund’s reported value in SDHI 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 54 tracked filers holding SDHI, 13 increased or opened the position and 13 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 SDHI 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 2
- RiverPark Advisors, LLC$3M
- StoneX Group Inc.$517K
Full exits 4
- TENOR CAPITAL MANAGEMENT Co., L.P.$309M
- METEORA CAPITAL, LLC$127M
- Harraden Circle Investments, LLC$45M
- GLAZER CAPITAL, LLC$7M
Largest adds
- BERKLEY W R CORP$4M
- HIGHBRIDGE CAPITAL MANAGEMENT LLC$3M
- Crossingbridge Advisors, LLC$3M
- WOLVERINE ASSET MANAGEMENT LLC$829K
- Centiva Capital, LP$524K
Largest trims
- Context Capital Management, LLC$21M
- Jain Global LLC$2M
- Shaolin Capital Management LLC$786K
Institutional holders
One row per tracked fund, largest reported value first. “% of value” is the fund’s share of this security’s tracked institutional value — not of shares outstanding. Rows marked stale are from an earlier filing than the security’s latest quarter — that fund is absent from the newest snapshot (position exited, or reported under a different name).
| Fund | Shares | Reported value | % of value | Quarter |
|---|---|---|---|---|
| Magnetar Financial LLC | 1,750,000 | $18M | 2.5% | 2026-Q2 |
| ARISTEIA CAPITAL, L.L.C. | 1,650,000 | $17M | 2.4% | 2026-Q2 |
| First Trust Capital Management L.P. | 1,303,359 | $14M | 1.9% | 2026-Q2 |
| AQR Arbitrage LLC added | 1,261,338 | $13M | 1.8% | 2026-Q2 |
| HGC Investment Management Inc. | 1,250,000 | $13M | 1.8% | 2026-Q2 |
| Westchester Capital Management, LLC | 1,249,197 | $13M | 1.8% | 2026-Q2 |
| Hudson Bay Capital Management LP | 1,025,000 | $11M | 1.5% | 2026-Q2 |
| Polar Asset Management Partners Inc. added | 1,000,200 | $10M | 1.4% | 2026-Q2 |
| BERKLEY W R CORP added | 826,986 | $9M | 1.2% | 2026-Q2 |
| Linden Advisors LP | 800,000 | $8M | 1.2% | 2026-Q2 |
| Calamos Advisors LLC | 750,000 | $8M | 1.1% | 2026-Q2 |
| MILLENNIUM MANAGEMENT LLC | 744,900 | $8M | 1.1% | 2026-Q2 |
| WOLVERINE ASSET MANAGEMENT LLC added | 744,568 | $8M | 1.1% | 2026-Q2 |
| Shaolin Capital Management LLC trimmed | 731,588 | $8M | 1.1% | 2026-Q2 |
| Alberta Investment Management Corp | 700,000 | $7M | 1.0% | 2026-Q2 |
| Radcliffe Capital Management, L.P. | 693,837 | $7M | 1.0% | 2026-Q2 |
| D. E. Shaw & Co., Inc. | 661,578 | $7M | 1.0% | 2026-Q2 |
| Verition Fund Management LLC trimmed | 566,171 | $6M | 0.8% | 2026-Q2 |
| PICTON MAHONEY ASSET MANAGEMENT | 500,000 | $5M | 0.7% | 2026-Q2 |
| Crossingbridge Advisors, LLC added | 460,000 | $5M | 0.7% | 2026-Q2 |
| TWO SIGMA INVESTMENTS, LP | 415,579 | $4M | 0.6% | 2026-Q2 |
| GOLDMAN SACHS GROUP INC | 413,259 | $4M | 0.6% | 2026-Q2 |
| COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS | 400,000 | $4M | 0.6% | 2026-Q2 |
| RIVERNORTH CAPITAL MANAGEMENT, LLC trimmed | 354,664 | $4M | 0.5% | 2026-Q2 |
| MIZUHO SECURITIES USA LLC | 341,871 | $4M | 0.5% | 2026-Q2 |
| HIGHBRIDGE CAPITAL MANAGEMENT LLC added | 323,342 | $3M | 0.5% | 2026-Q2 |
| Karpus Management, Inc. trimmed | 323,420 | $3M | 0.5% | 2026-Q2 |
| LMR Partners LLP | 300,000 | $3M | 0.5% | 2026-Q2 |
| MOORE CAPITAL MANAGEMENT, LP | 300,000 | $3M | 0.4% | 2026-Q2 |
| HBK INVESTMENTS L P | 300,000 | $3M | 0.4% | 2026-Q2 |
| Lineage Point Capital LP | 300,000 | $3M | 0.4% | 2026-Q2 |
| Periscope Capital Inc. | 300,000 | $3M | 0.4% | 2026-Q2 |
| RiverPark Advisors, LLC new | 300,000 | $3M | 0.4% | 2026-Q2 |
| Schonfeld Strategic Advisors LLC trimmed | 253,448 | $3M | 0.4% | 2026-Q2 |
| Jain Global LLC trimmed | 186,300 | $2M | 0.3% | 2026-Q2 |
| Centiva Capital, LP added | 182,509 | $2M | 0.3% | 2026-Q2 |
| Parallax Volatility Advisers, L.P. added | 138,400 | $1M | 0.2% | 2026-Q2 |
| Clear Street Group Inc. added | 125,156 | $1M | 0.2% | 2026-Q2 |
| TORONTO DOMINION BANK trimmed | 128,700 | $1M | 0.2% | 2026-Q2 |
| SONA ASSET MANAGEMENT (US) LLC | 125,998 | $1M | 0.2% | 2026-Q2 |
| JPMORGAN CHASE & CO | 100,000 | $1M | 0.1% | 2026-Q2 |
| Context Capital Management, LLC | 100,000 | $1M | 0.1% | 2026-Q2 |
| DLD Asset Management, LP | 56,000 | $584K | 0.1% | 2026-Q2 |
| HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND | 2,400,000 | $547K | 0.1% | 2026-Q2 |
| BNP PARIBAS FINANCIAL MARKETS | 51,310 | $533K | 0.1% | 2026-Q2 |
| StoneX Group Inc. new | 49,999 | $517K | 0.1% | 2026-Q2 |
| Sculptor Capital LP | 1,648,895 | $399K | 0.1% | 2026-Q2 |
| ABC ARBITRAGE SA | 25,000 | $260K | 0.0% | 2026-Q2 |
| GEODE CAPITAL MANAGEMENT, LLC added | 13,947 | $145K | 0.0% | 2026-Q2 |
| Alpine Global Management, LLC new | 275,000 | $67K | 0.0% | 2026-Q2 |
| K2 PRINCIPAL FUND, L.P. | 138,991 | $33K | 0.0% | 2026-Q2 |
| READYSTATE ASSET MANAGEMENT LP | 100,000 | $24K | 0.0% | 2026-Q2 |
| MORGAN STANLEY added | 27 | $281 | 0.0% | 2026-Q2 |
| UBS Group AG trimmed | 7 | $73 | 0.0% | 2026-Q2 |
| TENOR CAPITAL MANAGEMENT Co., L.P. | 1,374,599 | $294M | 40.8% | 2026-Q1 stale (1 quarter behind) |
| METEORA CAPITAL, LLC trimmed | 769,061 | $116M | 16.0% | 2026-Q1 stale (1 quarter behind) |
| Harraden Circle Investments, LLC | 208,079 | $45M | 6.2% | 2026-Q1 stale (1 quarter behind) |
| GLAZER CAPITAL, LLC trimmed | 697,746 | $7M | 1.0% | 2026-Q1 stale (1 quarter behind) |
| BOOTHBAY FUND MANAGEMENT, LLC | 25,000 | $258K | 0.0% | 2026-Q1 stale (1 quarter behind) |
| Virtu Financial LLC added | 24,606 | $253K | 0.0% | 2025-Q4 stale (2 quarters behind) |
| Tuttle Capital Management, LLC | 25,000 | $258K | 0.0% | 2025-Q3 stale (3 quarters behind) |
| CITADEL ADVISORS LLC new | 10,199 | $105K | 0.0% | 2025-Q3 stale (3 quarters behind) |
| CLEAR STREET LLC new | 103,169 | $1M | 0.1% | 2025-Q2 stale (4 quarters behind) |
| CANTOR FITZGERALD, L. P. new | 74,780 | $756K | 0.1% | 2025-Q2 stale (4 quarters behind) |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. new | 0 | — | 0.0% | 2025-Q2 stale (4 quarters behind) |
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.