Who owns GSR IV Acquisition Corp. Class A ordinary share (GSRF)
Which tracked institutional funds hold GSRF, how they are positioned, and who is buying versus exiting — from SEC Form 13F-HR filings. See GSRF company fundamentals →
Ownership as of the 2026-Q1 13F filings. 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
15 tracked funds added or opened GSRF while 8 trimmed or exited it between 2025-Q4 and 2026-Q1 — 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
GSRF’s largest tracked holder by dollar value, GLAZER CAPITAL, LLC, sizes it at 0.3% of its own reported 13F book, while the median holder sizes it at 0.2% of theirs — a 0.2pp conviction gap — its largest holder concentrates the name more heavily than the typical one.
Book-share is each fund’s reported value in GSRF 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 2025-Q4 and 2026-Q1, across 43 tracked filers holding GSRF, 22 increased or opened the position and 11 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 GSRF between the 2025-Q4 and 2026-Q1 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 10
- Magnetar Financial LLC$13M
- Westchester Capital Management, LLC$9M
- D. E. Shaw & Co., Inc.$7M
- RLH Capital LLC$7M
- Quarry LP$6M
- RIVERNORTH CAPITAL MANAGEMENT, LLC$5M
Full exits 5
- Harraden Circle Investments, LLC$8M
- Alpine Global Management, LLC$3M
- BOOTHBAY FUND MANAGEMENT, LLC$1M
- StoneX Group Inc.$1M
- MIZUHO SECURITIES USA LLC$1M
Largest adds
- Centiva Capital, LP$5M
- Hudson Bay Capital Management LP$3M
- WOLVERINE ASSET MANAGEMENT LLC$958K
- BNP PARIBAS FINANCIAL MARKETS$444K
- Clear Street Group Inc.$259K
Largest trims
- First Trust Capital Management L.P.$6M
- Virtu Financial LLC$707K
- AQR Arbitrage LLC$315K
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 |
|---|---|---|---|---|
| GLAZER CAPITAL, LLC added | 1,510,805 | $15M | 6.7% | 2026-Q1 |
| Linden Advisors LP | 1,250,000 | $13M | 5.5% | 2026-Q1 |
| Magnetar Financial LLC new | 1,249,976 | $13M | 5.5% | 2026-Q1 |
| Polar Asset Management Partners Inc. | 1,200,000 | $12M | 5.3% | 2026-Q1 |
| Hudson Bay Capital Management LP added | 1,162,935 | $12M | 5.1% | 2026-Q1 |
| Centiva Capital, LP added | 1,044,995 | $10M | 4.6% | 2026-Q1 |
| METEORA CAPITAL, LLC trimmed | 981,851 | $10M | 4.3% | 2026-Q1 |
| Westchester Capital Management, LLC new | 900,000 | $9M | 4.0% | 2026-Q1 |
| AQR Arbitrage LLC trimmed | 898,924 | $9M | 4.0% | 2026-Q1 |
| ARISTEIA CAPITAL, L.L.C. | 875,000 | $9M | 3.9% | 2026-Q1 |
| TWO SIGMA INVESTMENTS, LP | 725,000 | $7M | 3.2% | 2026-Q1 |
| Shaolin Capital Management LLC trimmed | 718,908 | $7M | 3.2% | 2026-Q1 |
| D. E. Shaw & Co., Inc. new | 710,272 | $7M | 3.1% | 2026-Q1 |
| PICTON MAHONEY ASSET MANAGEMENT | 650,000 | $7M | 2.9% | 2026-Q1 |
| RLH Capital LLC new | 648,959 | $7M | 2.9% | 2026-Q1 |
| Radcliffe Capital Management, L.P. added | 629,667 | $6M | 2.8% | 2026-Q1 |
| Quarry LP new | 562,435 | $6M | 2.5% | 2026-Q1 |
| Mercuria Capital Strategies, LLC | 500,000 | $5M | 2.2% | 2026-Q1 |
| RIVERNORTH CAPITAL MANAGEMENT, LLC new | 475,489 | $5M | 2.1% | 2026-Q1 |
| BNP PARIBAS FINANCIAL MARKETS added | 408,720 | $4M | 1.8% | 2026-Q1 |
| Context Capital Management, LLC | 400,000 | $4M | 1.8% | 2026-Q1 |
| Periscope Capital Inc. added | 375,000 | $4M | 1.7% | 2026-Q1 |
| First Trust Capital Management L.P. trimmed | 353,065 | $4M | 1.6% | 2026-Q1 |
| BERKLEY W R CORP | 297,598 | $3M | 1.3% | 2026-Q1 |
| GABELLI & Co INVESTMENT ADVISERS, INC. | 269,900 | $3M | 1.2% | 2026-Q1 |
| DLD Asset Management, LP | 266,667 | $3M | 1.2% | 2026-Q1 |
| Governors Lane LP | 250,000 | $3M | 1.1% | 2026-Q1 |
| HGC Investment Management Inc. | 250,000 | $3M | 1.1% | 2026-Q1 |
| SONA ASSET MANAGEMENT (US) LLC new | 250,000 | $3M | 1.1% | 2026-Q1 |
| GABELLI FUNDS LLC | 230,100 | $2M | 1.0% | 2026-Q1 |
| Lineage Point Capital LP | 220,000 | $2M | 1.0% | 2026-Q1 |
| Clear Street Group Inc. added | 220,000 | $2M | 1.0% | 2026-Q1 |
| TORONTO DOMINION BANK new | 175,000 | $2M | 0.8% | 2026-Q1 |
| Cable Car Capital, LP | 124,999 | $1M | 0.6% | 2026-Q1 |
| Schonfeld Strategic Advisors LLC new | 120,000 | $1M | 0.5% | 2026-Q1 |
| WOLVERINE ASSET MANAGEMENT LLC added | 102,074 | $1M | 0.5% | 2026-Q1 |
| HEIGHTS CAPITAL MANAGEMENT, INC new | 98,819 | $992K | 0.4% | 2026-Q1 |
| ABC ARBITRAGE SA | 30,000 | $301K | 0.1% | 2026-Q1 |
| Virtu Financial LLC trimmed | 25,921 | $260K | 0.1% | 2026-Q1 |
| CITADEL ADVISORS LLC new | 11,050 | $111K | 0.0% | 2026-Q1 |
| GEODE CAPITAL MANAGEMENT, LLC new | 10,010 | $100K | 0.0% | 2026-Q1 |
| UBS Group AG new | 1,554 | $16K | 0.0% | 2026-Q1 |
| MORGAN STANLEY added | 69 | $692 | 0.0% | 2026-Q1 |
| Harraden Circle Investments, LLC new | 768,456 | $8M | 3.4% | 2025-Q4 stale |
| Alpine Global Management, LLC new | 300,391 | $3M | 1.3% | 2025-Q4 stale |
| BOOTHBAY FUND MANAGEMENT, LLC new | 147,000 | $1M | 0.6% | 2025-Q4 stale |
| StoneX Group Inc. new | 132,536 | $1M | 0.6% | 2025-Q4 stale |
| MIZUHO SECURITIES USA LLC new | 111,849 | $1M | 0.5% | 2025-Q4 stale |
| Bulldog Investors, LLP new | 11,410 | $114K | 0.1% | 2025-Q4 stale |
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.