GIW · GigCapital8 Corp.

$10.17 At close · Aug 19

Market Cap

$370.92M

36.47M

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: 62

Total Value: $243,232,613

Total Shares: 47,210,649

Institutional Ownership Trend

3 quarters

Holder Concentration

Across 62 13F filers · Δ vs Mar 31, 2026

Top Holder

9.0%

−0.2 pts

Top 5

33.2%

−0.4 pts

Top 10

51.4%

−0.8 pts

HHI

390

Broadly held−4

Quarterly Activity

vs Mar 31, 2026

New

Increased

Decreased

Sold Out

Unchanged

Holder count: 0

Institutional value: +2.9%

Shares held: -1.2%

Top Buyers

vs Mar 31, 2026

Institution	Added	Now Holds
Mid MIZUHO SECURITIES USA LLC	+774,047	789,680
Small Harraden Circle Investments, LLC	+735,028	5,597,779
Large Verition Fund Management LLC	+183,400	558,400
Large Clear Street Group Inc.	+120,035	649,446
Mid HIGHBRIDGE CAPITAL MANAGEMENT LLC	+111,872	859,823

Top Sellers

vs Mar 31, 2026

Institution	Sold	Now Holds
Mid BERKLEY W R CORP	−338,411	1,289,470
Large COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS	−299,252	300,000
Large TORONTO DOMINION BANK	−287,085	1,034,349
Large Parallax Volatility Advisers, L.P.	−204,297	157,515
Small Mercuria Capital Strategies, LLC	−187,500	500,000

Top New Positions

vs Mar 31, 2026

Institution	Acquired	Value (USD)	Open
Mid Limestone Investment Advisors LP	101,000	$1,016,969
Mega JPMORGAN CHASE & CO	112	$1,127

Top Sold-Out Positions

vs Mar 31, 2026

Institution	Previously Held	Last Value (USD)	Open
Small Logan Stone Capital, LLC	512,612	$5,110,741
Mid MATHER GROUP, LLC.	5	$0

Filter: New 2 Increased 12 Reduced 22 Sold out 2 Unchanged 26

Showing 94 of 94

All Common Calls Puts

Compact Export CSV

Holder

Value (USD)

% of 13F

GLAZER CAPITAL, LLC

$21,778,985

8.95%

2,162,974

AQR Arbitrage LLC

$17,534,116

7.21%

1,741,396

TENOR CAPITAL MANAGEMENT Co., L.P.

$15,103,500

6.21%

1,500,000

Westchester Capital Management, LLC

$13,391,768

5.51%

1,330,000

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	11,768	$118,491	0.9%	Sole
Virtus Investment Advisers, LLC	1,207,061	$12,153,897	90.8%	Other
Held directly	111,171	$1,119,380	8.4%	Sole

BERKLEY W R CORP

$12,983,673

5.34%

1,289,470

Karpus Management, Inc.

$9,521,498

3.91%

945,625

Yakira Capital Management, Inc.

$9,448,518

3.88%

938,377

Polar Asset Management Partners Inc.

$8,558,650

3.52%

850,000

ARISTEIA CAPITAL, L.L.C.

$8,558,650

3.52%

850,000

WHITEBOX ADVISORS LLC

$8,055,200

3.31%

800,000

MIZUHO SECURITIES USA LLC

$7,951,287

3.27%

789,680

MILLENNIUM MANAGEMENT LLC

$7,742,758

3.18%

768,970

D. E. Shaw & Co., Inc.

$7,642,371

3.14%

759,000

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

Manager	Shares	Value (USD)	% of position	Discretion
D. E. SHAW & CO, L.P.	759,000	$7,642,371	100.0%	Defined

Magnetar Financial LLC

$7,000,583

2.88%

695,261

Radcliffe Capital Management, L.P.

$6,544,850

2.69%

650,000

RIVERNORTH CAPITAL MANAGEMENT, LLC

$6,032,579

2.48%

599,124

Mercuria Capital Strategies, LLC

$5,034,500

2.07%

500,000

BNP PARIBAS ARBITRAGE, SA

$4,865,652

2.00%

483,231

PICTON MAHONEY ASSET MANAGEMENT

$4,279,325

1.76%

425,000

SONA ASSET MANAGEMENT (US) LLC

$4,192,891

1.72%

416,416

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	416,416	$4,192,891	100.0%	Other

Mint Tower Capital Management B.V.

$4,027,600

1.66%

400,000

TWO SIGMA INVESTMENTS, LP

$4,015,013

1.65%

398,750

WOLVERINE ASSET MANAGEMENT LLC

$3,817,127

1.57%

379,097

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

Manager	Shares	Value (USD)	% of position	Discretion
Wolverine Holdings, LLC	379,097	$3,817,127	100.0%	Defined

Periscope Capital Inc.

$3,775,875

1.55%

375,000

COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS

$3,020,700

1.24%

300,000

GABELLI & Co INVESTMENT ADVISERS, INC.

$3,019,401

1.24%

299,871

Verition Fund Management LLC

$2,894,837

1.19%

287,500

Clear Street Group Inc.

$2,684,133

1.10%

266,574

TORONTO DOMINION BANK

$2,622,410

1.08%

260,444

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	60,444	$608,610	23.2%	Defined
Held directly	200,000	$2,013,800	76.8%	Sole

Crossingbridge Advisors, LLC

$2,517,250

1.03%

250,000

BlueCrest Capital Management Ltd

$2,517,250

1.03%

250,000

Linden Advisors LP

$2,517,250

1.03%

250,000

Schonfeld Strategic Advisors LLC

$2,148,120

0.88%

213,340

GABELLI FUNDS LLC

$2,117,510

0.87%

210,300

Clear Street Group Inc. GIWWU

$2,011,634

0.83%

193,986

Parallax Volatility Advisers, L.P.

$1,586,018

0.65%

157,515

HEIGHTS CAPITAL MANAGEMENT, INC

$1,425,599

0.59%

141,583

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

Manager	Shares	Value (USD)	% of position	Discretion
CVI Investments, Inc.	141,583	$1,425,599	100.0%	Other

Centiva Capital, LP

$1,323,690

0.54%

131,462

Kepos Capital LP

$1,315,011

0.54%

130,600

METEORA CAPITAL, LLC

$1,174,025

0.48%

116,598

HIGHBRIDGE CAPITAL MANAGEMENT LLC

$1,126,439

0.46%

111,872

Limestone Investment Advisors LP

$1,016,969

0.42%

101,000

SUSQUEHANNA INTERNATIONAL GROUP, LLP

$583,004

0.24%

57,901

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

Manager	Shares	Value (USD)	% of position	Discretion
SUSQUEHANNA SECURITIES, LLC	44,981	$452,913	77.7%	Other
G1 EXECUTION SERVICES, LLC	12,920	$130,091	22.3%	Other

HRT FINANCIAL LP GIWWU

$518,894

0.21%

50,038

TORONTO DOMINION BANK GIWWU

$518,500

0.21%

50,000

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	50,000	$518,500	100.0%	Defined

Lynrock Lake LP GIWWU

$518,500

0.21%

50,000

Stoic Point Capital Management LLC

$398,561

0.16%

39,583

Lineage Point Capital LP

$352,415

0.14%

35,000

ABC ARBITRAGE SA

$352,415

0.14%

35,000

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	35,000	$352,415	100.0%	Other

Dakota Wealth Management

$278,911

0.11%

27,700

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

Manager	Shares	Value (USD)	% of position	Discretion
Karpus Management Inc.	27,700	$278,911	100.0%	Defined

Virtu Financial LLC

$241,363

0.10%

23,971

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

Manager	Shares	Value (USD)	% of position	Discretion
Virtu Americas LLC	23,971	$241,363	100.0%	Defined

GEODE CAPITAL MANAGEMENT, LLC

$196,838

0.08%

19,549

Wellspring Financial Advisors, LLC

$151,035

0.06%

15,000

CITADEL ADVISORS LLC

$115,209

0.05%

11,442

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

Manager	Shares	Value (USD)	% of position	Discretion
Citadel Securities GP LLC	11,442	$115,209	100.0%	Defined

Stoic Point Capital Management LLC GIWWU

$108,024

0.04%

10,417

UBS Group AG GIWWU

$2,592

0.00%

250

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

Manager	Shares	Value (USD)	% of position	Discretion
UBS Securities LLC	250	$2,592	100.0%	Defined

JPMORGAN CHASE & CO

$1,127

0.00%

112

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

Manager	Shares	Value (USD)	% of position	Discretion
J.P. Morgan Securities LLC	112	$1,127	100.0%	Defined

MORGAN STANLEY

$10

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	1	$10	100.0%	Defined

Bulldog Investors, LLP GIWWR

—

154,896

GABELLI FUNDS LLC GIWWR

—

255,300

Kepos Capital LP GIWWR

—

95,600

TENOR CAPITAL MANAGEMENT Co., L.P. GIWWR

—

1,500,000

GABELLI & Co INVESTMENT ADVISERS, INC. GIWWR

—

299,871

SONA ASSET MANAGEMENT (US) LLC GIWWR

—

600

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	600	$0	—	Other

AQR Arbitrage LLC GIWWR

—

1,712,969

WOLVERINE ASSET MANAGEMENT LLC GIWWR

—

279,173

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

Manager	Shares	Value (USD)	% of position	Discretion
Wolverine Holdings, LLC	279,173	$0	—	Defined

Periscope Capital Inc. GIWWR

—

300,600

Schonfeld Strategic Advisors LLC GIWWR

—

119,000

HEIGHTS CAPITAL MANAGEMENT, INC GIWWR

—

33,226

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

Manager	Shares	Value (USD)	% of position	Discretion
CVI Investments, Inc.	33,226	$0	—	Other

Mint Tower Capital Management B.V. GIWWR

—

400,000

PICTON MAHONEY ASSET MANAGEMENT GIWWR

—

425,000

Polar Asset Management Partners Inc. GIWWR

—

863,100

WHITEBOX ADVISORS LLC GIWWR

—

800,000

Shaolin Capital Management LLC GIWWR

—

138,148

Alpine Global Management, LLC GIWWR

—

400,000

ARISTEIA CAPITAL, L.L.C. GIWWR

—

850,000

HGC Investment Management Inc. GIWWR

—

250,000

RIVERNORTH CAPITAL MANAGEMENT, LLC GIWWR

—

599,512

BNP PARIBAS ARBITRAGE, SA GIWWR

—

483,231

GLAZER CAPITAL, LLC GIWWR

—

1,496,546

Radcliffe Capital Management, L.P. GIWWR

—

550,000

HIGHBRIDGE CAPITAL MANAGEMENT LLC GIWWR

—

747,951

TORONTO DOMINION BANK GIWWR

—

723,905

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	723,905	$0	—	Defined

MILLENNIUM MANAGEMENT LLC GIWWR

—

764,462

Harraden Circle Investments, LLC GIWWR

—

5,597,779

METEORA CAPITAL, LLC GIWWR

—

412,012

Yakira Capital Management, Inc. GIWWR

—

938,377

Linden Advisors LP GIWWR

—

375,000

DLD Asset Management, LP GIWWR

—

90,000

BOOTHBAY FUND MANAGEMENT, LLC GIWWR

—

213,794

Stoic Point Capital Management LLC GIWWR

—

39,570

Clear Street Group Inc. GIWWR

—

188,886

Verition Fund Management LLC GIWWR

—

270,900

Magnetar Financial LLC GIWWR

—

695,261

Key facts CIK 2080019 CUSIP G3864J100 13F (30d) 59 filings 59 filers Visit website