Horizon Space Acquisition II

Q4 2025 vs Q1 2026

Comparing institutional holders between quarters

Compare Detailed Historical Funds Options Short Interest 13D/13G Peers Targeting Trading Summary Profile

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Harraden Circle Investments, LLC

UNCHANGED

Shares680,699 from 680,699

Change0 (0%)

Value$149.8K (+$63.6K)

Filed 2026-05-15

Rivernorth Capital Management, LLC

NEW

Shares592,400

Change+592,400

Value$130.3K

Filed 2026-05-15

Polar Asset Management Partners Inc.

UNCHANGED

Shares525,000 from 525,000

Change0 (0%)

Value$115.5K (+$31.6K)

Filed 2026-05-15

Boothbay Fund Management, LLC

DECREASED

Shares524,990 from 574,990

Change-50,000 (-9%)

Value$115.5K (+$42.7K)

Filed 2026-05-15

AQR Arbitrage LLC

DECREASED

Shares414,354 from 424,761

Change-10,407 (-2%)

Value$91.2K (+$27.4K)

Filed 2026-05-15

Highbridge Capital Management LLC

DECREASED

Shares404,814 from 563,884

Change-159,070 (-28%)

Value$117.4K (+$27.2K)

Filed 2026-05-15

Hudson Bay Capital Management LP

NEW

Shares400,000

Change+400,000

Value$88.0K

Filed 2026-05-13

Shaolin Capital Management LLC

UNCHANGED

Shares368,411 from 368,411

Change0 (0%)

Value$81.1K (+$34.4K)

Filed 2026-05-15

Clear Street Group Inc.

INCREASED

Shares340,000 from 208,328

Change+131,672 (+63%)

Value$74.8K (+$48.4K)

Filed 2026-05-15

Toronto Dominion Bank

DECREASED

Shares200,000 from 792,719

Change-592,719 (-75%)

Value$44.0K (-$56.7K)

Filed 2026-05-15

BNP Paribas Financial Markets

UNCHANGED

Shares125,239 from 125,239

Change0 (0%)

Value$27.6K (+$7.6K)

Filed 2026-05-12

Berkley W R Corp

DECREASED

Shares53,846 from 106,993

Change-53,147 (-50%)

Value$11.8K (-$5.3K)

Filed 2026-05-15

Wolverine Asset Management LLC

DECREASED

Shares8,786 from 104,454

Change-95,668 (-92%)

Value$1.9K (-$11.3K)

Filed 2026-05-04

FNY Investment Advisers, LLC

NEW

Shares1,200

Change+1,200

Value$0

Filed 2026-04-15

	Status
Harraden Circle Investments, LLC	UNCHANGED	680,699	680,699	0	0%	$86.2K	$149.8K	+$63.6K	2026-05-15
Rivernorth Capital Management, LLC	NEW	592,400	—	+592,400	—	—	$130.3K	—	2026-05-15
Polar Asset Management Partners Inc.	UNCHANGED	525,000	525,000	0	0%	$83.9K	$115.5K	+$31.6K	2026-05-15
Boothbay Fund Management, LLC	DECREASED	524,990	574,990	-50,000	-9%	$72.8K	$115.5K	+$42.7K	2026-05-15
AQR Arbitrage LLC	DECREASED	414,354	424,761	-10,407	-2%	$63.8K	$91.2K	+$27.4K	2026-05-15
Highbridge Capital Management LLC	DECREASED	404,814	563,884	-159,070	-28%	$90.2K	$117.4K	+$27.2K	2026-05-15
Hudson Bay Capital Management LP	NEW	400,000	—	+400,000	—	—	$88.0K	—	2026-05-13
Shaolin Capital Management LLC	UNCHANGED	368,411	368,411	0	0%	$46.6K	$81.1K	+$34.4K	2026-05-15
Clear Street Group Inc.	INCREASED	340,000	208,328	+131,672	+63%	$26.4K	$74.8K	+$48.4K	2026-05-15
Toronto Dominion Bank	DECREASED	200,000	792,719	-592,719	-75%	$100.7K	$44.0K	-$56.7K	2026-05-15
BNP Paribas Financial Markets	UNCHANGED	125,239	125,239	0	0%	$19.9K	$27.6K	+$7.6K	2026-05-12
Berkley W R Corp	DECREASED	53,846	106,993	-53,147	-50%	$17.1K	$11.8K	-$5.3K	2026-05-15
Wolverine Asset Management LLC	DECREASED	8,786	104,454	-95,668	-92%	$13.2K	$1.9K	-$11.3K	2026-05-04
FNY Investment Advisers, LLC	NEW	1,200	—	+1,200	—	—	$0	—	2026-04-15

Showing 14 of 14 institutions