13F Insight
DOSSIER · 13F Holders · Q2 2026

APERTURE AC

28 institutions still hold APERTURE AC as of Q2 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP G0474D101·28 13F holders·last filed Jun 30, 2026
Market cap
—
13F value held
$79M
visible holders
Holders
28
filers reporting
Concentration
11.74%
MIZUHO SECURITIES USA LLC #1
top holder share
AI Holders Summary · Q2 2026

28 institutions reported APERTURE AC in Q2 2026. MIZUHO SECURITIES USA LLC leads at 11.7% of the visible book.

Top holders

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

#HolderValueShares% port.Quarter
01
MIZUHO SECURITIES USA LLC
CIK 0000812291
$9M945K0.09%Q2 202602
HIGHBRIDGE CAPITAL MANAGEMENT LLC
CIK 0000919185
$8M855K0.21%Q2 202603
Polar Asset Management Partners Inc.
CIK 0001326389
$8M825K0.13%Q2 202604
BOOTHBAY FUND MANAGEMENT, LLC
CIK 0001549230
$6M600K0.08%Q2 202605
Westchester Capital Management, LLC
CIK 0001512805
$5M500K0.24%Q2 202606
TORONTO DOMINION BANK
CIK 0000947263
$5M478K0.01%Q2 202607
WOLVERINE ASSET MANAGEMENT LLC
CIK 0001279891
$5M469K0.04%Q2 202608
Crossingbridge Advisors, LLC
CIK 0001770024
$4M425K0.74%Q2 202609
MANGROVE PARTNERS IM, LLC
CIK 0001535392
$4M425K0.28%Q2 202610
BNP PARIBAS FINANCIAL MARKETS
CIK 0001166588
$4M389K0.00%Q2 202611
WHITEBOX ADVISORS LLC
CIK 0001257391
$3M300K0.04%Q2 202612
CANTOR FITZGERALD, L. P.
CIK 0001024896
$3M298K0.02%Q2 202613
Shaolin Capital Management LLC
CIK 0001766806
$3M258K0.12%Q2 202614
ARISTEIA CAPITAL, L.L.C.
CIK 0001080171
$2M250K0.03%Q2 202615
BERKLEY W R CORP
CIK 0000011544
$2M229K0.10%Q2 202616
HEIGHTS CAPITAL MANAGEMENT, INC
CIK 0001081698
$2M200K0.46%Q2 202617
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
$2M163K0.00%Q2 202618
Calamos Advisors LLC
CIK 0001316507
$1M150K0.00%Q2 202619
Yakira Capital Management, Inc.
CIK 0001584639
$1M150K0.42%Q2 202620
Clear Street Group Inc.
CIK 0001881567
$1M105K0.00%Q2 2026
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