Bleichroeder Acquisition COR

Q3 2025 vs Q4 2025

Comparing institutional holders between quarters

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

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Healthcare of Ontario Pension Plan Trust Fund

UNCHANGED

Shares2,475,000 from 2,475,000

Change0 (0%)

Value$1.8M (+$136.1K)

Filed 2026-02-13

Continental General Insurance Co

INCREASED

Shares2,398,726 from 2,262,085

Change+136,641 (+6%)

Value$1.8M (+$224.8K)

Filed 2026-02-13

Linden Advisors LP

UNCHANGED

Shares2,275,000 from 2,275,000

Change0 (0%)

Value$1.7M (+$331.2K)

Filed 2026-02-17

AQR Arbitrage LLC

DECREASED

Shares1,918,600 from 2,462,563

Change-543,963 (-22%)

Value$1.4M (-$277.9K)

Filed 2026-02-17

Polar Asset Management Partners Inc.

DECREASED

Shares1,222,427 from 1,250,000

Change-27,573 (-2%)

Value$898.5K (+$48.5K)

Filed 2026-02-17

Harraden Circle Investments, LLC

DECREASED

Shares860,000 from 933,231

Change-73,231 (-8%)

Value$632.1K (-$2.5K)

Filed 2026-02-13

Alberta Investment Management Corp

UNCHANGED

Shares750,000 from 750,000

Change0 (0%)

Value$551.3K (+$41.3K)

Filed 2026-02-19

Moore Capital Management, LP

UNCHANGED

Shares750,000 from 750,000

Change0 (0%)

Value$551.3K (+$41.3K)

Filed 2026-02-17

Shaolin Capital Management LLC

DECREASED

Shares545,702 from 625,553

Change-79,851 (-13%)

Value$401.1K (-$24.3K)

Filed 2026-02-17

BNP Paribas Financial Markets

NEW

Shares543,963

Change+543,963

Value$399.8K

Filed 2026-02-10

D. E. Shaw & Co., Inc.

UNCHANGED

Shares500,000 from 500,000

Change0 (0%)

Value$367.5K (+$27.5K)

Filed 2026-02-17

K2 Principal Fund, L.P.

DECREASED

Shares348,231 from 368,500

Change-20,269 (-5%)

Value$257.7K (+$7.1K)

Filed 2026-02-13

Magnetar Financial LLC

UNCHANGED

Shares300,000 from 300,000

Change0 (0%)

Value$220.5K (+$16.5K)

Filed 2026-02-17

JPMorgan Chase & Co

DECREASED

Shares199,400 from 250,000

Change-50,600 (-20%)

Value$146.6K (-$23.4K)

Filed 2026-02-11

Gritstone Asset Management LLC

UNCHANGED

Shares196,793 from 196,793

Change0 (0%)

Value$144.6K (+$10.8K)

Filed 2026-01-23

Verition Fund Management LLC

DECREASED

Shares193,190 from 450,000

Change-256,810 (-57%)

Value$142.0K (-$164.0K)

Filed 2026-02-13

Parallax Volatility Advisers, L.P.

INCREASED

Shares183,502 from 75,000

Change+108,502 (+145%)

Value$134.9K (+$83.9K)

Filed 2026-02-17

Wealthspring Capital LLC

DECREASED

Shares159,150 from 173,150

Change-14,000 (-8%)

Value$117.0K (-$767)

Filed 2026-02-05

Quarry LP

UNCHANGED

Shares149,996 from 149,996

Change0 (0%)

Value$110.2K (+$8.3K)

Filed 2026-02-13

DLD Asset Management, LP

NEW

Shares107,317

Change+107,317

Value$78.9K

Filed 2026-02-13

Toronto Dominion Bank

DECREASED

Shares100,240 from 200,340

Change-100,100 (-50%)

Value$73.7K (-$62.6K)

Filed 2026-02-17

Periscope Capital Inc.

DECREASED

Shares75,000 from 89,700

Change-14,700 (-16%)

Value$55.1K (-$5.9K)

Filed 2026-02-10

Clear Street Group Inc.

DECREASED

Shares73,900 from 252,618

Change-178,718 (-71%)

Value$54.3K (-$117.5K)

Filed 2026-02-13

Bulldog Investors, LLPA

DECREASED

Shares36,623 from 57,091

Change-20,468 (-36%)

Value$26.9K (-$11.9K)

Filed 2026-02-13

Boothbay Fund Management, LLC

UNCHANGED

Shares34,430 from 34,430

Change0 (0%)

Value$25.3K (+$1.9K)

Filed 2026-02-17

Mizuho Securities USA LLC

NEW

Shares30,000

Change+30,000

Value$19.2K

Filed 2026-02-09

StoneX Group Inc.

NEW

Shares16,974

Change+16,974

Value$12.5K

Filed 2026-02-12

FNY Investment Advisers, LLC

NEW

Shares200

Change+200

Value$0

Filed 2026-01-16

Meteora Capital, LLC

CLOSED

Shares0 from 397,712

Change-397,712 (-100%)

Value$0 (-$270.4K)

Filed 2026-02-17

Picton Mahoney Asset Management

CLOSED

Shares0 from 100,000

Change-100,000 (-100%)

Value$0 (-$68)

Filed 2026-02-11

Decagon Asset Management LLP

CLOSED

Shares0 from 47,423

Change-47,423 (-100%)

Value$0 (-$32.2K)

Filed 2026-02-17

LMR Partners LLP

N/A

Shares— from 1,000,000

Change-1,000,000 (-100%)

Value—

Hudson Bay Capital Management LP

N/A

Shares— from 792,744

Change-792,744 (-100%)

Value—

Saba Capital Management, L.P.A

N/A

Shares— from 719,489

Change-719,489 (-100%)

Value—

Rivernorth Capital Management, LLC

N/A

Shares— from 500,000

Change-500,000 (-100%)

Value—

ATW Spac Management LLC

N/A

Shares— from 34,430

Change-34,430 (-100%)

Value—

	Status
Healthcare of Ontario Pension Plan Trust Fund	UNCHANGED	2,475,000	2,475,000	0	0%	$1.7M	$1.8M	+$136.1K	2026-02-13
Continental General Insurance Co	INCREASED	2,398,726	2,262,085	+136,641	+6%	$1.5M	$1.8M	+$224.8K	2026-02-13
Linden Advisors LP	UNCHANGED	2,275,000	2,275,000	0	0%	$1.4M	$1.7M	+$331.2K	2026-02-17
AQR Arbitrage LLC	DECREASED	1,918,600	2,462,563	-543,963	-22%	$1.6M	$1.4M	-$277.9K	2026-02-17
Polar Asset Management Partners Inc.	DECREASED	1,222,427	1,250,000	-27,573	-2%	$850.0K	$898.5K	+$48.5K	2026-02-17
Harraden Circle Investments, LLC	DECREASED	860,000	933,231	-73,231	-8%	$634.6K	$632.1K	-$2.5K	2026-02-13
Alberta Investment Management Corp	UNCHANGED	750,000	750,000	0	0%	$510.0K	$551.3K	+$41.3K	2026-02-19
Moore Capital Management, LP	UNCHANGED	750,000	750,000	0	0%	$510.0K	$551.3K	+$41.3K	2026-02-17
Shaolin Capital Management LLC	DECREASED	545,702	625,553	-79,851	-13%	$425.4K	$401.1K	-$24.3K	2026-02-17
BNP Paribas Financial Markets	NEW	543,963	—	+543,963	—	—	$399.8K	—	2026-02-10
D. E. Shaw & Co., Inc.	UNCHANGED	500,000	500,000	0	0%	$340.0K	$367.5K	+$27.5K	2026-02-17
K2 Principal Fund, L.P.	DECREASED	348,231	368,500	-20,269	-5%	$250.6K	$257.7K	+$7.1K	2026-02-13
Magnetar Financial LLC	UNCHANGED	300,000	300,000	0	0%	$204.0K	$220.5K	+$16.5K	2026-02-17
JPMorgan Chase & Co	DECREASED	199,400	250,000	-50,600	-20%	$170.0K	$146.6K	-$23.4K	2026-02-11
Gritstone Asset Management LLC	UNCHANGED	196,793	196,793	0	0%	$133.8K	$144.6K	+$10.8K	2026-01-23
Verition Fund Management LLC	DECREASED	193,190	450,000	-256,810	-57%	$306.0K	$142.0K	-$164.0K	2026-02-13
Parallax Volatility Advisers, L.P.	INCREASED	183,502	75,000	+108,502	+145%	$51.0K	$134.9K	+$83.9K	2026-02-17
Wealthspring Capital LLC	DECREASED	159,150	173,150	-14,000	-8%	$117.7K	$117.0K	-$767	2026-02-05
Quarry LP	UNCHANGED	149,996	149,996	0	0%	$102.0K	$110.2K	+$8.3K	2026-02-13
DLD Asset Management, LP	NEW	107,317	—	+107,317	—	—	$78.9K	—	2026-02-13
Toronto Dominion Bank	DECREASED	100,240	200,340	-100,100	-50%	$136.2K	$73.7K	-$62.6K	2026-02-17
Periscope Capital Inc.	DECREASED	75,000	89,700	-14,700	-16%	$61.0K	$55.1K	-$5.9K	2026-02-10
Clear Street Group Inc.	DECREASED	73,900	252,618	-178,718	-71%	$171.8K	$54.3K	-$117.5K	2026-02-13
Bulldog Investors, LLPA	DECREASED	36,623	57,091	-20,468	-36%	$38.8K	$26.9K	-$11.9K	2026-02-13
Boothbay Fund Management, LLC	UNCHANGED	34,430	34,430	0	0%	$23.4K	$25.3K	+$1.9K	2026-02-17
Mizuho Securities USA LLC	NEW	30,000	—	+30,000	—	—	$19.2K	—	2026-02-09
StoneX Group Inc.	NEW	16,974	—	+16,974	—	—	$12.5K	—	2026-02-12
FNY Investment Advisers, LLC	NEW	200	—	+200	—	—	$0	—	2026-01-16
Meteora Capital, LLC	CLOSED	0	397,712	-397,712	-100%	$270.4K	$0	-$270.4K	2026-02-17
Picton Mahoney Asset Management	CLOSED	0	100,000	-100,000	-100%	$68	$0	-$68	2026-02-11
Decagon Asset Management LLP	CLOSED	0	47,423	-47,423	-100%	$32.2K	$0	-$32.2K	2026-02-17
LMR Partners LLP	N/A	—	1,000,000	-1,000,000	-100%	$680.0K	—	—	—
Hudson Bay Capital Management LP	N/A	—	792,744	-792,744	-100%	$539.1K	—	—	—
Saba Capital Management, L.P.A	N/A	—	719,489	-719,489	-100%	$460.5K	—	—	—
Rivernorth Capital Management, LLC	N/A	—	500,000	-500,000	-100%	$340.0K	—	—	—
ATW Spac Management LLC	N/A	—	34,430	-34,430	-100%	$23.4K	—	—	—

Showing 36 of 36 institutions