AI Holders Summary · Q4 2025

19 institutions reported FGMC in Q4 2025. AQR Arbitrage LLC leads at 26.8% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

Hide index funds / market makers / custodians(2 on this page)

#HolderValueShares% port.Quarter

AQR Arbitrage LLC

CIK 0001167456

$8M784K0.17%Q4 2025 02

RIVERNORTH CAPITAL MANAGEMENT, LLC

CIK 0001447578

$6M643K0.32%Q1 2026 03

MANGROVE PARTNERS IM, LLC

CIK 0001535392

$4M392K0.27%Q2 2026 04

GLAZER CAPITAL, LLC

CIK 0001076809

$3M276K0.06%Q1 2026 05

D. E. Shaw & Co., Inc.

CIK 0001009207

$3M250K0.00%Q4 2025 06

Westchester Capital Management, LLC

CIK 0001512805

$2M156K0.08%Q2 2026 07

Cable Car Capital, LP

CIK 0001699575

$1M142K0.03%Q2 2026 08

SkyView Investment Advisors, LLC

CIK 0001848237

$807K80K0.11%Q1 2026 09

BERKLEY W R CORP

CIK 0000011544

$634K61K0.03%Q2 2026 10

Virtu Financial LLC

CIK 0001533964· Market maker

$535K53K0.02%Q1 2026 11

FLOW TRADERS U.S. LLC

CIK 0001466697· Market maker

$290K29K0.01%Q1 2026 12

BNP PARIBAS FINANCIAL MARKETS

CIK 0001166588

$172K17K0.00%Q2 2026 13

CITADEL ADVISORS LLC

CIK 0001423053

$132K13K0.00%Q2 2026 14

MORGAN STANLEY

CIK 0000895421

$46K5K0.00%Q2 2026 15

GHP Investment Advisors, Inc.

CIK 0001401561

$5K5000.00%Q2 2026 16

ROYAL BANK OF CANADA

CIK 0001000275

$4K3880.00%Q2 2026 17

LONGFELLOW INVESTMENT MANAGEMENT CO LLC

CIK 0001167487

$2K1800.00%Q2 2026 18

Fortitude Family Office, LLC

CIK 0001950506

$303300.00%Q2 2026 19

CONCOURSE FINANCIAL GROUP SECURITIES, INC.

CIK 0000752798

$00—Q2 2025