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Equibles

GIW

GigCapital8 Corp.

Company with tickers: GIW, GIWWR, GIWWU

CIK
2080019
CUSIP
G3864J100
Shares Outstanding
25,657,625
13F Activity (30d)
48 filings 48 filers

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.

Holders: 53
Total Value: $236,359,072
Total Shares: 23,707,030

Institutional Ownership Trend

2 quarters

Holder Concentration

Across 53 13F filers · Δ vs Dec 31, 2025
Top Holder
9.1%
Dec 2025 → Mar 2026 · range 9.1% – 11.1%
−2.0 pts
Top 5
33.6%
Dec 2025 → Mar 2026 · range 33.6% – 39.7%
−6.0 pts
Top 10
52.2%
Dec 2025 → Mar 2026 · range 52.2% – 61.2%
−9.0 pts
HHI
394
Dec 2025 → Mar 2026 · range 394 – 501
Broadly held −107

Quarterly Activity

vs Dec 31, 2025
New
15
Increased
7
Decreased
10
Sold Out
6
Unchanged
21
Holder count: +9
Institutional value: +22.4%
Shares held: +21.5%

Top Buyers

vs Dec 31, 2025
Institution Added Now Holds Open
Mid Karpus Management, Inc. +873,700 963,650
Mega MILLENNIUM MANAGEMENT LLC +548,970 768,970
Mid Westchester Capital Management, LLC +250,000 1,330,000
Large Schonfeld Strategic Advisors LLC +153,203 193,203
Small Mercuria Capital Strategies, LLC +125,000 500,000

Top Sellers

vs Dec 31, 2025
Institution Sold Now Holds Open
Mid MIZUHO SECURITIES USA LLC −534,367 15,633
Large Clear Street Group Inc. −199,089 147,803
Mid Virtu Financial LLC −29,046 36,794
Mid GLAZER CAPITAL, LLC −12,309 2,162,974
Small Yakira Capital Management, Inc. −9,623 938,377

Top New Positions

vs Dec 31, 2025
Institution Acquired Value (USD) Open
Mid Magnetar Financial LLC 695,261 $6,931,752
Mid RIVERNORTH CAPITAL MANAGEMENT, LLC 599,512 $5,977,134
Mid SONA ASSET MANAGEMENT (US) LLC 416,416 $4,151,667
Large Parallax Volatility Advisers, L.P. 361,812 $3,607,265
Small GABELLI & Co INVESTMENT ADVISERS, INC. 299,871 $2,989,713

Top Sold-Out Positions

vs Dec 31, 2025
Institution Previously Held Last Value (USD) Open
Small Alpine Global Management, LLC 400,000 $3,956,000
Small StoneX Group Inc. 161,800 $1,600,202
Micro GRITSTONE ASSET MANAGEMENT LLC 50,000 $494,500
Micro PharVision Advisers, LLC 16,607 $164,243
Small Quarry LP 4,782 $47,293
Filter: New 15 Increased 7 Reduced 10 Sold out 6 Unchanged 21
Showing 53 of 53
All Common Calls Puts
Export CSV
Holder Value (USD) % of 13F Shares Open
Mid GLAZER CAPITAL, LLC $21,564,850 9.12% 2,162,974
Mid AQR Arbitrage LLC $16,878,900 7.14% 1,692,969
Mid TENOR CAPITAL MANAGEMENT Co., L.P. $14,955,000 6.33% 1,500,000
Mid Westchester Capital Management, LLC $13,260,098 5.61% 1,330,000
Mid BERKLEY W R CORP $12,856,015 5.44% 1,289,470
Mid Karpus Management, Inc. $9,607,590 4.06% 963,650
Small Yakira Capital Management, Inc. $9,355,618 3.96% 938,377
Mid ARISTEIA CAPITAL, L.L.C. $8,474,500 3.59% 850,000
Mid Polar Asset Management Partners Inc. $8,474,500 3.59% 850,000
Mid WHITEBOX ADVISORS LLC $7,976,000 3.37% 800,000
Mega MILLENNIUM MANAGEMENT LLC $7,666,630 3.24% 768,970
Mega D. E. Shaw & Co., Inc. $7,567,230 3.20% 759,000
Mid Magnetar Financial LLC $6,931,752 2.93% 695,261
Small Radcliffe Capital Management, L.P. $6,480,500 2.74% 650,000
Mid RIVERNORTH CAPITAL MANAGEMENT, LLC $5,977,134 2.53% 599,512
Small Logan Stone Capital, LLC $5,110,741 2.16% 512,612
Small Mercuria Capital Strategies, LLC $4,985,000 2.11% 500,000
Mega BNP PARIBAS ARBITRAGE, SA $4,817,813 2.04% 483,231
Mid PICTON MAHONEY ASSET MANAGEMENT $4,237,250 1.79% 425,000
Mid SONA ASSET MANAGEMENT (US) LLC $4,151,667 1.76% 416,416
Small Mint Tower Capital Management B.V. $3,988,000 1.69% 400,000
Mega TWO SIGMA INVESTMENTS, LP $3,975,537 1.68% 398,750
Mid WOLVERINE ASSET MANAGEMENT LLC $3,844,860 1.63% 385,643
Small Periscope Capital Inc. $3,738,750 1.58% 375,000
Large Parallax Volatility Advisers, L.P. $3,607,265 1.53% 361,812
Large COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS $2,991,000 1.27% 300,000
Small GABELLI & Co INVESTMENT ADVISERS, INC. $2,989,713 1.26% 299,871
Large GABELLI FUNDS LLC $2,545,341 1.08% 255,300
Small Crossingbridge Advisors, LLC $2,492,500 1.05% 250,000
Small BlueCrest Capital Management Ltd $2,492,500 1.05% 250,000
Mid Linden Advisors LP $2,492,500 1.05% 250,000
Mid METEORA CAPITAL, LLC $2,481,971 1.05% 248,944
Large TORONTO DOMINION BANK Bank $2,187,009 0.93% 219,359
Large Schonfeld Strategic Advisors LLC $1,926,233 0.81% 193,203
Large Centiva Capital, LP $1,751,350 0.74% 175,662
Small Bulldog Investors, LLP $1,544,283 0.65% 154,893
Large Clear Street Group Inc. $1,473,595 0.62% 147,803
Small HEIGHTS CAPITAL MANAGEMENT, INC $1,411,582 0.60% 141,583
Small DLD Asset Management, LP $1,329,330 0.56% 133,333
Micro Kepos Capital LP $1,302,082 0.55% 130,600
Large Verition Fund Management LLC $872,375 0.37% 87,500
Mid BOOTHBAY FUND MANAGEMENT, LLC $747,750 0.32% 75,000
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $448,460 0.19% 44,981
Small ABC ARBITRAGE SA $398,800 0.17% 40,000
Micro Stoic Point Capital Management LLC $394,642 0.17% 39,583
Mid Virtu Financial LLC $366,836 0.16% 36,794
Small Lineage Point Capital LP $348,950 0.15% 35,000
Mid Dakota Wealth Management $276,169 0.12% 27,700
Mega GEODE CAPITAL MANAGEMENT, LLC $194,903 0.08% 19,549
Mid MIZUHO SECURITIES USA LLC Broker-Dealer $155,861 0.07% 15,633
Mid Wellspring Financial Advisors, LLC $149,550 0.06% 15,000
Mega CITADEL ADVISORS LLC $109,590 0.05% 10,992
Mega MORGAN STANLEY $997 0.00% 100

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