Who owns GSRFU
Which tracked institutional funds hold GSRFU, how they are positioned, and who is buying versus exiting — from SEC Form 13F-HR filings. See GSRFU company fundamentals →
Ownership as of the 2026-Q1 13F filings (latest filed 2026-05-15). 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 GSRFU is one-sided between 2025-Q4 and 2026-Q1: 0 added or opened and 8 trimmed or exited — on balance reducing.
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
GSRFU’s largest tracked holder by dollar value, GLAZER CAPITAL, LLC, sizes it at 0.4% 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 GSRFU 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 8 tracked filers holding GSRFU, 1 increased or opened the position and 10 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 GSRFU 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.
Full exits 5
- Hudson Bay Capital Management LP$9M
- Westchester Capital Management, LLC$7M
- Clear Street Group Inc.$4M
- HEIGHTS CAPITAL MANAGEMENT, INC$1M
- Schonfeld Strategic Advisors LLC$877K
Largest trims
- Magnetar Financial LLC$13M
- RIVERNORTH CAPITAL MANAGEMENT, LLC$5M
- TORONTO DOMINION BANK$1M
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.
| Fund | Shares | Reported value | % of value | Quarter |
|---|---|---|---|---|
| GLAZER CAPITAL, LLC new | 1,635,000 | $17M | 7.7% | 2025-Q3 |
| AQR Arbitrage LLC new | 1,300,000 | $13M | 6.1% | 2025-Q3 |
| LMR Partners LLP | 1,250,000 | $13M | 6.0% | 2026-Q1 |
| Linden Advisors LP new | 1,250,000 | $13M | 5.9% | 2025-Q3 |
| Polar Asset Management Partners Inc. new | 1,200,000 | $12M | 5.7% | 2025-Q3 |
| First Trust Capital Management L.P. new | 945,923 | $10M | 4.5% | 2025-Q3 |
| METEORA CAPITAL, LLC new | 941,746 | $10M | 4.4% | 2025-Q3 |
| Shaolin Capital Management LLC new | 900,000 | $9M | 4.2% | 2025-Q3 |
| Hudson Bay Capital Management LP | 900,000 | $9M | 4.2% | 2025-Q4 |
| Harraden Circle Investments, LLC new | 896,065 | $9M | 4.2% | 2025-Q3 |
| ARISTEIA CAPITAL, L.L.C. new | 875,000 | $9M | 4.1% | 2025-Q3 |
| TWO SIGMA INVESTMENTS, LP new | 725,000 | $7M | 3.4% | 2025-Q3 |
| Decagon Asset Management LLP new | 683,900 | $7M | 3.2% | 2025-Q3 |
| Westchester Capital Management, LLC trimmed | 650,000 | $7M | 3.1% | 2025-Q4 |
| PICTON MAHONEY ASSET MANAGEMENT new | 650,000 | $7M | 3.1% | 2025-Q3 |
| MIZUHO SECURITIES USA LLC new | 555,025 | $6M | 2.6% | 2025-Q3 |
| HGC Investment Management Inc. new | 525,000 | $5M | 2.5% | 2025-Q3 |
| Context Capital Management, LLC new | 450,000 | $5M | 2.1% | 2025-Q3 |
| MANGROVE PARTNERS IM, LLC new | 450,000 | $5M | 2.1% | 2025-Q3 |
| Centiva Capital, LP new | 449,995 | $5M | 2.1% | 2025-Q3 |
| TORONTO DOMINION BANK trimmed | 440,477 | $5M | 2.1% | 2026-Q1 |
| Clear Street Group Inc. added | 399,543 | $4M | 1.9% | 2025-Q4 |
| Radcliffe Capital Management, L.P. new | 403,911 | $4M | 1.9% | 2025-Q3 |
| BERKLEY W R CORP new | 297,599 | $3M | 1.4% | 2025-Q3 |
| Alpine Global Management, LLC new | 280,010 | $3M | 1.3% | 2025-Q3 |
| GABELLI & Co INVESTMENT ADVISERS, INC. new | 269,900 | $3M | 1.3% | 2025-Q3 |
| Parallax Volatility Advisers, L.P. new | 250,000 | $3M | 1.2% | 2025-Q3 |
| GABELLI FUNDS LLC new | 230,100 | $2M | 1.1% | 2025-Q3 |
| ATW SPAC MANAGEMENT LLC new | 200,000 | $2M | 0.9% | 2025-Q3 |
| BOOTHBAY FUND MANAGEMENT, LLC new | 200,000 | $2M | 0.9% | 2025-Q3 |
| Periscope Capital Inc. new | 200,000 | $2M | 0.9% | 2025-Q3 |
| DLD Asset Management, LP new | 200,000 | $2M | 0.9% | 2025-Q3 |
| Cable Car Capital, LP new | 125,000 | $1M | 0.6% | 2025-Q3 |
| HEIGHTS CAPITAL MANAGEMENT, INC trimmed | 103,119 | $1M | 0.5% | 2025-Q4 |
| READYSTATE ASSET MANAGEMENT LP | 94,774 | $991K | 0.5% | 2026-Q1 |
| Schonfeld Strategic Advisors LLC trimmed | 84,722 | $877K | 0.4% | 2025-Q4 |
| StoneX Group Inc. new | 60,006 | $608K | 0.3% | 2025-Q3 |
| Tuttle Capital Management, LLC | 40,000 | $410K | 0.2% | 2026-Q1 |
| Bulldog Investors, LLP trimmed | 28,745 | $298K | 0.1% | 2025-Q4 |
| JPMORGAN CHASE & CO trimmed | 14,500 | $152K | 0.1% | 2026-Q1 |
| RIVERNORTH CAPITAL MANAGEMENT, LLC trimmed | 14,400 | $148K | 0.1% | 2026-Q1 |
| TrueMark Investments, LLC new | 10,000 | $101K | 0.0% | 2025-Q3 |
| HIGHBRIDGE CAPITAL MANAGEMENT LLC new | 1,000 | $10K | 0.0% | 2025-Q3 |
| UBS Group AG new | 326 | $3K | 0.0% | 2026-Q1 |
| Magnetar Financial LLC trimmed | 24 | $267 | 0.0% | 2026-Q1 |
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.