Helix Acquisition Corp II

Q1 2025 vs Q2 2025

Comparing institutional holders between quarters

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

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Cormorant Asset Management, LP

UNCHANGED

Shares2,909,000 from 2,909,000

Change0 (0%)

Value$30.9M (-$2.0M)

Filed 2025-08-14

BlackRock, Inc.

UNCHANGED

Shares1,498,865 from 1,498,865

Change0 (0%)

Value$15.9M (-$1.0M)

Filed 2025-08-12

Citadel Advisors LLC

INCREASED

Shares1,427,201 from 1,411,960

Change+15,241 (+1%)

Value$15.2M (-$755.5K)

Filed 2025-08-14

Adage Capital Partners GP, L.L.C.

UNCHANGED

Shares1,400,000 from 1,400,000

Change0 (0%)

Value$14.9M (-$952.0K)

Filed 2025-08-14

Price T Rowe Associates Inc

UNCHANGED

Shares1,071,550 from 1,071,550

Change0 (0%)

Value$11.4K (-$696)

Filed 2025-08-14

Millennium Management LLC

DECREASED

Shares897,251 from 1,096,382

Change-199,131 (-18%)

Value$9.5M (-$2.9M)

Filed 2025-08-14

Silverarc Capital Management, LLC

UNCHANGED

Shares613,393 from 613,393

Change0 (0%)

Value$6.5M (-$417.1K)

Filed 2025-08-14

Harraden Circle Investments, LLC

INCREASED

Shares569,831 from 526,535

Change+43,296 (+8%)

Value$6.1M (+$101.8K)

Filed 2025-08-14

Berkley W R Corp

NEW

Shares445,195

Change+445,195

Value$4.7M

Filed 2025-08-14

Toronto Dominion Bank

INCREASED

Shares444,377 from 138,000

Change+306,377 (+222%)

Value$4.7M (+$3.2M)

Filed 2025-08-14

Adar1 Capital Management, LLC

DECREASED

Shares442,615 from 469,729

Change-27,114 (-6%)

Value$4.7M (-$607.4K)

Filed 2025-08-14

Perceptive Advisors LLC

UNCHANGED

Shares398,000 from 398,000

Change0 (0%)

Value$4.2M (-$270.6K)

Filed 2025-08-14

Decagon Asset Management LLP

INCREASED

Shares348,223 from 239,403

Change+108,820 (+45%)

Value$3.7M (+$992.9K)

Filed 2025-08-14

Stempoint Capital LP

INCREASED

Shares315,812 from 200,900

Change+114,912 (+57%)

Value$3.3M (+$1.0M)

Filed 2025-08-14

Laurion Capital Management LP

UNCHANGED

Shares300,000 from 300,000

Change0 (0%)

Value$3.2M (-$195.0K)

Filed 2025-08-14

Shaolin Capital Management LLC

NEW

Shares292,338

Change+292,338

Value$3.1M

Filed 2025-08-14

Octagon Capital Advisors LP

UNCHANGED

Shares250,000 from 250,000

Change0 (0%)

Value$2.7M (-$162.5K)

Filed 2025-08-14

JPMorgan Chase & Co

INCREASED

Shares210,125 from 152,216

Change+57,909 (+38%)

Value$2.2M (+$517.8K)

Filed 2025-08-12

Clear Street LLC

NEW

Shares205,666

Change+205,666

Value$2.2M

Filed 2025-08-13

Creative Planning

NEW

Shares200,000

Change+200,000

Value$2.1M

Filed 2025-08-08

Acuta Capital Partners, LLC

UNCHANGED

Shares187,257 from 187,257

Change0 (0%)

Value$2.0M (-$127.3K)

Filed 2025-08-14

Wellington Management Group LLP

UNCHANGED

Shares184,590 from 184,590

Change0 (0%)

Value$2.0M (-$120.0K)

Filed 2025-08-14

TD Asset Management Inc

UNCHANGED

Shares144,772 from 144,772

Change0 (0%)

Value$1.5M (-$94.1K)

Filed 2025-07-28

Hudson Bay Capital Management LP

NEW

Shares108,300

Change+108,300

Value$1.2M

Filed 2025-08-18

Woodline Partners LP

UNCHANGED

Shares103,247 from 103,247

Change0 (0%)

Value$1.1M (-$70.2K)

Filed 2025-08-14

K2 Principal Fund, L.P.

UNCHANGED

Shares100,000 from 100,000

Change0 (0%)

Value$1.1M (-$68.0K)

Filed 2025-08-14

Moore Capital Management, LP

UNCHANGED

Shares100,000 from 100,000

Change0 (0%)

Value$1.1M (-$65.0K)

Filed 2025-08-14

UBS Group AG

DECREASED

Shares68,534 from 92,660

Change-24,126 (-26%)

Value$727.8K (-$319.2K)

Filed 2025-08-14

Great Point Partners LLC

DECREASED

Shares29,381 from 373,833

Change-344,452 (-92%)

Value$312.0K (-$3.9M)

Filed 2025-08-14

FNY Investment Advisers, LLC

NEW

Shares27,184

Change+27,184

Value$289

Filed 2025-07-30

Geode Capital Management, LLC

INCREASED

Shares13,328 from 13,274

Change+54 (+0%)

Value$141.9K (-$8.1K)

Filed 2025-08-08

Fifth Lane Capital, LP

NEW

Shares10,500

Change+10,500

Value$111.8K

Filed 2025-08-13

T. Rowe Price Investment Management, Inc.

CLOSED

Shares0 from 397,962

Change-397,962 (-100%)

Value$0 (-$4.5K)

Filed 2025-08-14

Fort Baker Capital Management LP

CLOSED

Shares0 from 374,683

Change-374,683 (-100%)

Value$0 (-$4.2M)

Filed 2025-08-14

Two Sigma Investments, LP

CLOSED

Shares0 from 189,285

Change-189,285 (-100%)

Value$0 (-$2.1M)

Filed 2025-08-14

Soros Fund Management LLC

CLOSED

Shares0 from 150,000

Change-150,000 (-100%)

Value$0 (-$1.7M)

Filed 2025-08-14

Proequities, Inc.

UNCHANGED

Shares0 from 0

Change0

Value$0 ($0)

Filed 2025-08-12

	Status
Cormorant Asset Management, LP	UNCHANGED	2,909,000	2,909,000	0	0%	$32.9M	$30.9M	-$2.0M	2025-08-14
BlackRock, Inc.	UNCHANGED	1,498,865	1,498,865	0	0%	$16.9M	$15.9M	-$1.0M	2025-08-12
Citadel Advisors LLC	INCREASED	1,427,201	1,411,960	+15,241	+1%	$16.0M	$15.2M	-$755.5K	2025-08-14
Adage Capital Partners GP, L.L.C.	UNCHANGED	1,400,000	1,400,000	0	0%	$15.8M	$14.9M	-$952.0K	2025-08-14
Price T Rowe Associates Inc	UNCHANGED	1,071,550	1,071,550	0	0%	$12.1K	$11.4K	-$696	2025-08-14
Millennium Management LLC	DECREASED	897,251	1,096,382	-199,131	-18%	$12.4M	$9.5M	-$2.9M	2025-08-14
Silverarc Capital Management, LLC	UNCHANGED	613,393	613,393	0	0%	$6.9M	$6.5M	-$417.1K	2025-08-14
Harraden Circle Investments, LLC	INCREASED	569,831	526,535	+43,296	+8%	$5.9M	$6.1M	+$101.8K	2025-08-14
Berkley W R Corp	NEW	445,195	—	+445,195	—	—	$4.7M	—	2025-08-14
Toronto Dominion Bank	INCREASED	444,377	138,000	+306,377	+222%	$1.6M	$4.7M	+$3.2M	2025-08-14
Adar1 Capital Management, LLC	DECREASED	442,615	469,729	-27,114	-6%	$5.3M	$4.7M	-$607.4K	2025-08-14
Perceptive Advisors LLC	UNCHANGED	398,000	398,000	0	0%	$4.5M	$4.2M	-$270.6K	2025-08-14
Decagon Asset Management LLP	INCREASED	348,223	239,403	+108,820	+45%	$2.7M	$3.7M	+$992.9K	2025-08-14
Stempoint Capital LP	INCREASED	315,812	200,900	+114,912	+57%	$2.3M	$3.3M	+$1.0M	2025-08-14
Laurion Capital Management LP	UNCHANGED	300,000	300,000	0	0%	$3.4M	$3.2M	-$195.0K	2025-08-14
Shaolin Capital Management LLC	NEW	292,338	—	+292,338	—	—	$3.1M	—	2025-08-14
Octagon Capital Advisors LP	UNCHANGED	250,000	250,000	0	0%	$2.8M	$2.7M	-$162.5K	2025-08-14
JPMorgan Chase & Co	INCREASED	210,125	152,216	+57,909	+38%	$1.7M	$2.2M	+$517.8K	2025-08-12
Clear Street LLC	NEW	205,666	—	+205,666	—	—	$2.2M	—	2025-08-13
Creative Planning	NEW	200,000	—	+200,000	—	—	$2.1M	—	2025-08-08
Acuta Capital Partners, LLC	UNCHANGED	187,257	187,257	0	0%	$2.1M	$2.0M	-$127.3K	2025-08-14
Wellington Management Group LLP	UNCHANGED	184,590	184,590	0	0%	$2.1M	$2.0M	-$120.0K	2025-08-14
TD Asset Management Inc	UNCHANGED	144,772	144,772	0	0%	$1.6M	$1.5M	-$94.1K	2025-07-28
Hudson Bay Capital Management LP	NEW	108,300	—	+108,300	—	—	$1.2M	—	2025-08-18
Woodline Partners LP	UNCHANGED	103,247	103,247	0	0%	$1.2M	$1.1M	-$70.2K	2025-08-14
K2 Principal Fund, L.P.	UNCHANGED	100,000	100,000	0	0%	$1.1M	$1.1M	-$68.0K	2025-08-14
Moore Capital Management, LP	UNCHANGED	100,000	100,000	0	0%	$1.1M	$1.1M	-$65.0K	2025-08-14
UBS Group AG	DECREASED	68,534	92,660	-24,126	-26%	$1.0M	$727.8K	-$319.2K	2025-08-14
Great Point Partners LLC	DECREASED	29,381	373,833	-344,452	-92%	$4.2M	$312.0K	-$3.9M	2025-08-14
FNY Investment Advisers, LLC	NEW	27,184	—	+27,184	—	—	$289	—	2025-07-30
Geode Capital Management, LLC	INCREASED	13,328	13,274	+54	+0%	$150.0K	$141.9K	-$8.1K	2025-08-08
Fifth Lane Capital, LP	NEW	10,500	—	+10,500	—	—	$111.8K	—	2025-08-13
T. Rowe Price Investment Management, Inc.	CLOSED	0	397,962	-397,962	-100%	$4.5K	$0	-$4.5K	2025-08-14
Fort Baker Capital Management LP	CLOSED	0	374,683	-374,683	-100%	$4.2M	$0	-$4.2M	2025-08-14
Two Sigma Investments, LP	CLOSED	0	189,285	-189,285	-100%	$2.1M	$0	-$2.1M	2025-08-14
Soros Fund Management LLC	CLOSED	0	150,000	-150,000	-100%	$1.7M	$0	-$1.7M	2025-08-14
Proequities, Inc.	UNCHANGED	0	0	0	—	$0	$0	$0	2025-08-12

Showing 37 of 37 institutions