CAQ · Cambridge Acquisition Corp.

$10.00 +0.02 (+0.20%) At close · Aug 21

Market Cap

$311.62M

31.16M

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Quarter:

Holders: 61

Total Value: $217,311,207

Total Shares: 27,557,621

Institutional Ownership Trend

2 quarters

Holder Concentration

Across 61 13F filers · Δ vs Mar 31, 2026

Top Holder

8.2%

−0.0 pts

Top 5

30.0%

−0.1 pts

Top 10

48.6%

+0.0 pts

HHI

358

Broadly held−1

Quarterly Activity

vs Mar 31, 2026

New

Increased

Decreased

Sold Out

Unchanged

Holder count: +2

Institutional value: -0.1%

Shares held: +18.8%

Top Buyers

vs Mar 31, 2026

Institution	Added	Now Holds
Large ADAGE CAPITAL PARTNERS GP, L.L.C.	+600,000	2,400,000
Mid Magnetar Financial LLC	+566,660	2,266,660
Large HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND	+366,666	1,466,666
Mega BNP PARIBAS ARBITRAGE, SA	+324,922	1,299,692
Mid SONA ASSET MANAGEMENT (US) LLC	+316,665	1,266,665

Top Sellers

vs Mar 31, 2026

Institution	Sold	Now Holds
Mega TWO SIGMA INVESTMENTS, LP	−120,833	362,500
Large Parallax Volatility Advisers, L.P.	−55,033	70,000
Mid Virtu Financial LLC	−42,984	134,489
Small K2 PRINCIPAL FUND, L.P.	−35,880	64,120
Small Bulldog Investors, LLP	−1,833	19,729

Top New Positions

vs Mar 31, 2026

Institution	Acquired	Value (USD)
Mid WOLVERINE ASSET MANAGEMENT LLC	106,760	$1,057,991
Mid Limestone Investment Advisors LP	39,430	$390,751
Small Logan Stone Capital, LLC	26,180	$259,443
Mega ROYAL BANK OF CANADA	3,610	$14,369

Top Sold-Out Positions

vs Mar 31, 2026

Institution	Previously Held	Last Value (USD)	Open
Small DELTEC ASSET MANAGEMENT LLC	60,000	$597,600
Small Tuttle Capital Management, LLC	15,000	$149,400

Filter: New 4 Increased 34 Reduced 7 Sold out 2 Unchanged 16

Showing 99 of 99

All Common Calls Puts

Compact Export CSV

Holder

Value (USD)

% of 13F

ADAGE CAPITAL PARTNERS GP, L.L.C.

$17,838,000

8.21%

1,800,000

Magnetar Financial LLC

$16,846,950

7.75%

1,699,995

HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND

$10,900,980

5.02%

1,099,998

TENOR CAPITAL MANAGEMENT Co., L.P.

$9,910,000

4.56%

1,000,000

BNP PARIBAS ARBITRAGE, SA

$9,659,960

4.45%

974,769

SONA ASSET MANAGEMENT (US) LLC

$9,414,500

4.33%

950,000

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
SONA ASSET MANAGEMENT (UK) LLP	950,000	$9,414,500	100.0%	Other

ARISTEIA CAPITAL, L.L.C. CAQUU

$8,164,967

3.76%

811,627

Hudson Bay Capital Management LP

$7,927,980

3.65%

799,998

LMR Partners LLP CAQUU

$7,545,000

3.47%

750,000

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
LMR PARTNERS (DIFC) Ltd	750,000	$7,545,000	100.0%	Sole

AQR Arbitrage LLC

$7,331,467

3.37%

739,805

OMERS ADMINISTRATION Corp CAQUU

$7,041,989

3.24%

699,999

GLAZER CAPITAL, LLC

$6,797,635

3.13%

685,937

Kryger Capital LLC

$6,314,542

2.91%

637,189

MOORE CAPITAL MANAGEMENT, LP

$5,946,000

2.74%

600,000

Radcliffe Capital Management, L.P.

$5,450,500

2.51%

550,000

RIVERNORTH CAPITAL MANAGEMENT, LLC

$5,162,168

2.38%

520,905

MMCAP International Inc. SPC

$4,955,000

2.28%

500,000

MILLENNIUM MANAGEMENT LLC

$4,955,000

2.28%

500,000

BERKLEY W R CORP

$4,211,730

1.94%

424,998

Alberta Investment Management Corp CAQUU

$4,024,000

1.85%

400,000

WHITEBOX ADVISORS LLC

$3,964,000

1.82%

400,000

TORONTO DOMINION BANK CAQUU

$3,722,059

1.71%

369,986

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
TD SECURITIES (USA) LLC	369,986	$3,722,059	100.0%	Defined

TWO SIGMA INVESTMENTS, LP

$3,592,375

1.65%

362,500

Qube Research & Technologies Ltd CAQUU

$3,520,004

1.62%

349,901

Linden Advisors LP

$3,468,500

1.60%

350,000

Periscope Capital Inc.

$3,463,545

1.59%

349,500

First Trust Capital Management L.P.

$2,973,000

1.37%

300,000

Centiva Capital, LP

$2,725,250

1.25%

275,000

Ghisallo Capital Management LLC

$2,477,500

1.14%

250,000

Clear Street Group Inc.

$2,036,158

0.94%

205,465

Westchester Capital Management, LLC CAQUU

$2,011,999

0.93%

200,000

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
WESTCHESTER CAPITAL PARTNERS, LLC	1,704	$17,142	0.9%	Sole
Virtus Investment Advisers, LLC	181,388	$1,824,763	90.7%	Other
Held directly	16,908	$170,094	8.5%	Sole

Polar Asset Management Partners Inc.

$1,982,000

0.91%

200,000

PICTON MAHONEY ASSET MANAGEMENT

$1,981,950

0.91%

199,995

L1 Global Manager Pty Ltd

$1,734,250

0.80%

175,000

Schonfeld Strategic Advisors LLC

$1,654,989

0.76%

167,002

Verition Fund Management LLC

$1,362,625

0.63%

137,500

Virtu Financial LLC

$1,332,785

0.61%

134,489

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Virtu Americas LLC	134,489	$1,332,785	100.0%	Defined

Mint Tower Capital Management B.V.

$1,238,750

0.57%

125,000

CSS LLC/IL CAQUU

$1,207,200

0.56%

120,000

Lineage Point Capital LP CAQUU

$1,058,312

0.49%

105,200

WOLVERINE ASSET MANAGEMENT LLC

$1,057,991

0.49%

106,760

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Wolverine Holdings, LLC	106,760	$1,057,991	100.0%	Defined

Cable Car Capital, LP

$991,019

0.46%

100,002

GRITSTONE ASSET MANAGEMENT LLC

$991,000

0.46%

100,000

DLD Asset Management, LP

$991,000

0.46%

100,000

BOOTHBAY FUND MANAGEMENT, LLC CAQUU

$880,250

0.41%

87,500

Kepos Capital LP

$842,340

0.39%

84,999

HEIGHTS CAPITAL MANAGEMENT, INC

$545,050

0.25%

55,000

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
CVI Investments, Inc.	55,000	$545,050	100.0%	Other

Stoic Point Capital Management LLC CAQUU

$470,033

0.22%

46,723

PRELUDE CAPITAL MANAGEMENT, LLC CAQUU

$470,033

0.22%

46,723

ABC ARBITRAGE SA

$396,400

0.18%

40,000

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
ABC ARBITRAGE ASSET MANAGEMENT	40,000	$396,400	100.0%	Other

Limestone Investment Advisors LP

$390,751

0.18%

39,430

K2 PRINCIPAL FUND, L.P.

$305,099

0.14%

30,787

Logan Stone Capital, LLC

$259,443

0.12%

26,180

HRT FINANCIAL LP CAQUU

$251,500

0.12%

25,000

Bulldog Investors, LLP CAQUU

$198,473

0.09%

19,729

Clear Street Group Inc. CAQUU

$183,806

0.08%

18,271

PenderFund Capital Management Ltd.

$132,794

0.06%

13,400

PenderFund Capital Management Ltd. CAQUU

$25,733

0.01%

2,558

ROYAL BANK OF CANADA

$14,369

0.01%

1,450

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
RBC CMA LTD.	1,450	$14,369	100.0%	Defined

UBS Group AG CAQUU

$8,068

0.00%

802

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
UBS Securities LLC	802	$8,068	100.0%	Defined

MORGAN STANLEY

$416

0.00%

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
MORGAN STANLEY CAPITAL SERVICES, LLC	42	$416	100.0%	Defined

HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND CAQUU

$20

0.00%

K2 PRINCIPAL FUND, L.P. CAQUW

—

33,333

ROYAL BANK OF CANADA CAQUW

—

2,160

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
RBC CMA LTD.	2,160	$0	—	Defined

MOORE CAPITAL MANAGEMENT, LP CAQUW

—

200,000

BNP PARIBAS ARBITRAGE, SA CAQUW

—

324,923

Verition Fund Management LLC CAQUW

—

45,833

HEIGHTS CAPITAL MANAGEMENT, INC CAQUW

—

18,333

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
CVI Investments, Inc.	18,333	$0	—	Other

Kryger Capital LLC CAQUW

—

214,323

AQR Arbitrage LLC CAQUW

—

246,598

RIVERNORTH CAPITAL MANAGEMENT, LLC CAQUW

—

173,635

GLAZER CAPITAL, LLC CAQUW

—

200,000

TENOR CAPITAL MANAGEMENT Co., L.P. CAQUW

—

333,333

HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND CAQUW

—

366,666

Kepos Capital LP CAQUW

—

27,200

SONA ASSET MANAGEMENT (US) LLC CAQUW

—

316,665

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
SONA ASSET MANAGEMENT (UK) LLP	316,665	$0	—	Other

Cable Car Capital, LP CAQUW

—

33,334

Lineage Point Capital LP CAQUW

—

100,000

BERKLEY W R CORP CAQUW

—

141,666

GRITSTONE ASSET MANAGEMENT LLC CAQUW

—

33,333

Shaolin Capital Management LLC CAQUW

—

47,800

MILLENNIUM MANAGEMENT LLC CAQUW

—

166,666

Hudson Bay Capital Management LP CAQUW

—

266,666

Magnetar Financial LLC CAQUW

—

566,665

Clear Street Group Inc. CAQUW

—

79,050

PICTON MAHONEY ASSET MANAGEMENT CAQUW

—

66,665

MMCAP International Inc. SPC CAQUW

—

166,666

Linden Advisors LP CAQUW

—

116,665

Centiva Capital, LP CAQUW

—

91,666

ADAGE CAPITAL PARTNERS GP, L.L.C. CAQUW

—

600,000

PenderFund Capital Management Ltd. CAQUW

—

3,333

Periscope Capital Inc. CAQUW

—

116,500

DLD Asset Management, LP CAQUW

—

33,332

WHITEBOX ADVISORS LLC CAQUW

—

133,333

Radcliffe Capital Management, L.P. CAQUW

—

183,332

Mint Tower Capital Management B.V. CAQUW

—

41,666

Schonfeld Strategic Advisors LLC CAQUW

—

54,999

Parallax Volatility Advisers, L.P. CAQUW

—

70,000

Polar Asset Management Partners Inc. CAQUW

—

74,166

Key facts CIK 2100125 CUSIP G1871M108 13F (30d) 61 filings 60 filers Visit website