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Institutional Ownership · SEC Form 13F

Who owns FG Merger Corp. (FGMC)


Which tracked institutional funds hold FGMC, how they are positioned, and who is buying versus exiting — from SEC Form 13F-HR filings. See FGMC 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.

50
Institutional holders
11M
Shares held (tracked funds)

How the tape is positioned

6 tracked funds added or opened FGMC while 7 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

FGMC’s largest tracked holder by dollar value, Harraden Circle Investments, LLC, sizes it at 2.0% of its own reported 13F book, while the median holder sizes it at 0.0% of theirs — a 2.0pp conviction gap — its largest holder concentrates the name more heavily than the typical one.

Book-share is each fund’s reported value in FGMC 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 39 tracked filers holding FGMC, 10 increased or opened the position and 17 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 FGMC 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 2

  • JPMORGAN CHASE & CO$7M
  • RLH Capital LLC$3M

Full exits 3

  • Harraden Circle Investments, LLC$254M
  • TWO SIGMA INVESTMENTS, LP$3M
  • Centiva Capital, LP$905K

Largest adds

  • TORONTO DOMINION BANK$2M
  • GLAZER CAPITAL, LLC$2M
  • HIGHBRIDGE CAPITAL MANAGEMENT LLC$1M
  • Virtu Financial LLC$321K

Largest trims

  • Schonfeld Strategic Advisors LLC$2M
  • Periscope Capital Inc.$576K
  • WOLVERINE ASSET MANAGEMENT LLC$401K
  • Clear Street Group Inc.$321K

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).

FundSharesReported value% of valueQuarter
HEIGHTS CAPITAL MANAGEMENT, INC790,000$8M2.1%2026-Q1
HIGHBRIDGE CAPITAL MANAGEMENT LLC added700,346$7M1.8%2026-Q1
JPMORGAN CHASE & CO new700,346$7M1.8%2026-Q1
RIVERNORTH CAPITAL MANAGEMENT, LLC642,969$6M1.7%2026-Q1
Cable Car Capital, LP392,000$4M1.0%2026-Q1
MANGROVE PARTNERS IM, LLC392,000$4M1.0%2026-Q1
CSS LLC/IL352,136$4M0.9%2026-Q1
Westchester Capital Management, LLC349,172$4M0.9%2026-Q1
BERKLEY W R CORP316,028$3M0.8%2026-Q1
RLH Capital LLC new277,635$3M0.7%2026-Q1
GLAZER CAPITAL, LLC added276,108$3M0.7%2026-Q1
D. E. Shaw & Co., Inc.250,000$3M0.7%2026-Q1
Quarry LP177,635$2M0.5%2026-Q1
Periscope Capital Inc. trimmed175,000$2M0.5%2026-Q1
ARISTEIA CAPITAL, L.L.C.120,000$1M0.3%2026-Q1
DLD Asset Management, LP110,725$1M0.3%2026-Q1
Crossingbridge Advisors, LLC60,904$615K0.2%2026-Q1
Virtu Financial LLC added52,967$535K0.1%2026-Q1
SkyView Investment Advisors, LLC trimmed47,422$481K0.1%2026-Q1
Schonfeld Strategic Advisors LLC trimmed43,226$437K0.1%2026-Q1
FLOW TRADERS U.S. LLC added36,374$380K0.1%2026-Q1
RiverPark Advisors, LLC34,654$350K0.1%2026-Q1
AQR Arbitrage LLC trimmed778,262$319K0.1%2026-Q1
BNP PARIBAS FINANCIAL MARKETS new21,808$220K0.1%2026-Q1
Shaolin Capital Management LLC trimmed399,700$172K0.0%2026-Q1
WOLVERINE ASSET MANAGEMENT LLC trimmed13,454$136K0.0%2026-Q1
Clear Street Group Inc. added163,404$70K0.0%2026-Q1
BLUEFIN CAPITAL MANAGEMENT, LLC trimmed146,010$60K0.0%2026-Q1
BOOTHBAY FUND MANAGEMENT, LLC trimmed128,895$55K0.0%2026-Q1
Walleye Capital LLC trimmed104,289$45K0.0%2026-Q1
MORGAN STANLEY added1,324$13K0.0%2026-Q1
TORONTO DOMINION BANK trimmed24,267$10K0.0%2026-Q1
LIGHTHOUSE FINANCIAL SERVICES INC /ADV new14,380$7K0.0%2026-Q1
UBS Group AG trimmed490$5K0.0%2026-Q1
Soltis Investment Advisors LLC11,000$5K0.0%2026-Q1
ROYAL BANK OF CANADA388$4K0.0%2026-Q1
LONGFELLOW INVESTMENT MANAGEMENT CO LLC new180$2K0.0%2026-Q1
Global Wealth Strategies & Associates31$3130.0%2026-Q1
Fortitude Family Office, LLC18$1820.0%2026-Q1
Harraden Circle Investments, LLC trimmed462,600$254M66.4%2025-Q4 stale
ATW SPAC MANAGEMENT LLC added130,600$55M14.3%2025-Q3 stale
CLEAR STREET LLC trimmed334,709$3M0.9%2025-Q2 stale
TWO SIGMA INVESTMENTS, LP290,000$3M0.8%2025-Q4 stale
Centiva Capital, LP90,113$905K0.2%2025-Q4 stale
Polar Asset Management Partners Inc.67,819$678K0.2%2025-Q3 stale
MIZUHO SECURITIES USA LLC new61,686$608K0.2%2025-Q2 stale
Governors Lane LP16,145$161K0.0%2025-Q3 stale
Warberg Asset Management LLC15,000$151K0.0%2025-Q4 stale
Rangeley Capital, LLC new13,531$135K0.0%2025-Q3 stale
Wealthspring Capital LLC148,000$81K0.0%2025-Q4 stale
METEORA CAPITAL, LLC trimmed122,500$34K0.0%2025-Q2 stale
OSAIC HOLDINGS, INC. added1,800$18K0.0%2025-Q3 stale
SUSQUEHANNA INTERNATIONAL GROUP, LLP new19,608$11K0.0%2025-Q4 stale
FNY Investment Advisers, LLC new25,000$10K0.0%2025-Q3 stale
MIZUHO SECURITIES USA LLC new50,000$10K0.0%2025-Q1 stale
CITADEL ADVISORS LLC added15,539$7K0.0%2025-Q3 stale
CONCOURSE FINANCIAL GROUP SECURITIES, INC.00.0%2025-Q2 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.

HoldersTotal shares

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.

Learn how to read institutional ownership