APERTURE AC (APURR)

Institutional ownership reported to the SEC as of Q2 2026, across 1 quarters.

Reporting holders

$94.0M

Reported value

0.0%

Held as options

+32

Holder change

Options share is the part of reported value carried in derivative lines rather than shares. A high figure means institutions are expressing a view on this security without owning much of it.

Holders

Filer	Value	Shares	Their book	Held	Change
MIZUHO SECURITIES USA LLC	$9.3M	945,000	0.09%	new	NEW
HIGHBRIDGE CAPITAL MANAGEMENT LLC	$8.5M	855,000	0.21%	new	NEW
Polar Asset Management Partners Inc.	$8.2M	825,000	0.13%	new	NEW
BOOTHBAY FUND MANAGEMENT, LLC	$5.9M	600,000	0.08%	new	NEW
Westchester Capital Management, LLC	$5.0M	500,000	0.24%	new	NEW
TORONTO DOMINION BANK	$4.7M	477,522	0.01%	new	NEW
WOLVERINE ASSET MANAGEMENT LLC	$4.6M	469,374	0.04%	new	NEW
AQR Arbitrage LLC	$4.3M	436,260	0.06%	new	NEW
MANGROVE PARTNERS IM, LLC	$4.2M	425,000	0.28%	new	NEW
Crossingbridge Advisors, LLC	$4.2M	425,000	0.74%	new	NEW
RIVERNORTH CAPITAL MANAGEMENT, LLC	$4.0M	400,000	0.19%	new	NEW
BNP PARIBAS FINANCIAL MARKETS	$3.8M	388,740	0.00%	new	NEW
WHITEBOX ADVISORS LLC	$3.0M	300,000	0.04%	new	NEW
CANTOR FITZGERALD, L. P.	$2.9M	297,624	0.02%	new	NEW
Shaolin Capital Management LLC	$2.6M	257,844	0.12%	new	NEW
ARISTEIA CAPITAL, L.L.C.	$2.5M	250,000	0.03%	new	NEW
BERKLEY W R CORP	$2.3M	228,779	0.11%	new	NEW
HEIGHTS CAPITAL MANAGEMENT, INC	$2.0M	200,000	0.46%	new	NEW
TWO SIGMA INVESTMENTS, LP	$1.6M	163,125	0.00%	new	NEW
Calamos Advisors LLC	$1.5M	150,000	0.00%	new	NEW
Yakira Capital Management, Inc.	$1.5M	150,000	0.42%	new	NEW
Clear Street Group Inc.	$1.0M	105,022	0.00%	new	NEW
Verition Fund Management LLC	$1.0M	101,678	0.00%	new	NEW
DELTEC ASSET MANAGEMENT LLC	$990.0K	100,000	0.15%	new	NEW
Linden Advisors LP	$990.0K	100,000	0.01%	new	NEW
DLD Asset Management, LP	$990.0K	100,000	0.07%	new	NEW
Logan Stone Capital, LLC	$765.7K	77,339	0.16%	new	NEW
L1 Global Manager Pty Ltd	$594.0K	60,000	0.42%	new	NEW
Schonfeld Strategic Advisors LLC	$491.9K	49,689	0.00%	new	NEW
ABC ARBITRAGE SA	$297.0K	30,000	0.03%	new	NEW
D. E. Shaw & Co., Inc.	$204.0K	20,606	0.00%	new	NEW
TrueMark Investments, LLC	$99.0K	10,000	0.01%	new	NEW
GLAZER CAPITAL, LLC	$3.0K	300,000	0.07%	new	NEW

Five percent filings

Anyone crossing 5% of a company must say so within days - far sooner than the next quarterly holdings report. A 13D declares an intent to influence the company; a 13G is the passive version. See all activist filings →

Filed	Form	Filer	% of class
2026-08-14	13G	Highbridge Capital Management, LLC	7.8%
2026-08-14	13G	Polar Asset Management Partners Inc.	7.5%
2026-08-13	13G	Mizuho Financial Group, Inc.	8.6%

Quarter by quarter

Coverage begins with the quarter ending 2018-12-31. Earlier filings exist only as occasional late amendments, too sparse to describe a market, so they are not shown.

Quarter	Holders	Value	Shares	New	Added	Trimmed	Options
Q2 2026	32	$94.0M	9,498,602	32	0	0	0.0%