Who owns GCT Semiconductor Holding, Inc.?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.
Institutional ownership of GCTS from SEC Form 13F filings across 55 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
As of the 2026-06-30 reporting period, 55 institutions disclosed 12.6M shares of GCT Semiconductor Holding, Inc. worth $37.3M — about 15.2% of shares outstanding; the largest disclosed holder is VANGUARD CAPITAL MANAGEMENT LLC. Source: SEC Form 13F filings, parsed by EvidInvest.
55
13F holders
$37.3M
value, 2026 filers
15.2%
of shares outstanding (12.6M sh)
29
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30 · % of fund = share of the manager's own book · % of co. = share of GCTS's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | VANGUARD CAPITAL MANAGEMENT LLC | 3.0M | $8.9M | 0.0% | 3.6% | +71.9% |
| 2 | RENAISSANCE TECHNOLOGIES LLCNEW | 1.7M | $5.0M | 0.0% | 2.1% | new |
| 3 | MARSHALL WACE, LLPNEW | 1.3M | $3.9M | 0.0% | 1.6% | new |
| 4 | BlackRock, Inc. | 1.3M | $3.8M | 0.0% | 1.6% | +114.3% |
| 5 | TUDOR INVESTMENT CORP ET ALNEW | 818,485 | $2.4M | 0.0% | 1% | new |
| 6 | GEODE CAPITAL MANAGEMENT, LLC | 767,459 | $2.3M | 0.0% | 0.9% | +61.8% |
| 7 | UBS Group AG | 646,238 | $1.9M | 0.0% | 0.8% | +1629.6% |
| 8 | VANGUARD FIDUCIARY TRUST CO | 416,917 | $1.2M | 0.0% | 0.5% | +69.3% |
| 9 | STATE STREET CORP | 353,089 | $1.0M | 0.0% | 0.4% | +46.8% |
| 10 | Informed Momentum Co LLCNEW | 241,246 | $716,501 | 0.1% | 0.3% | new |
| 11 | XTX Topco Ltd | 164,717 | $489,209 | 0.0% | 0.2% | +541.4% |
| 12 | NORTHERN TRUST CORP | 155,346 | $461,378 | 0.0% | 0.2% | +147.8% |
| 13 | Robertson Stephens Wealth Management, LLCNEW | 150,000 | $445,500 | 0.0% | 0.2% | new |
| 14 | SEI INVESTMENTS CONEW | 142,901 | $424,416 | 0.0% | 0.2% | new |
| 15 | JANE STREET GROUP, LLCNEW | 133,082 | $395,254 | 0.0% | 0.2% | new |
| 16 | Team Hewins, LLC | 125,640 | $373,151 | 0.1% | 0.2% | 0.0% |
| 17 | GOLDMAN SACHS GROUP INC | 112,837 | $335,126 | 0.0% | 0.1% | +67.1% |
| 18 | ExodusPoint Capital Management, LPNEW | 88,539 | $262,961 | 0.0% | 0.1% | new |
| 19 | CITADEL ADVISORS LLCNEW | 77,168 | $229,189 | 0.0% | 0.1% | new |
| 20 | BRIDGEWAY CAPITAL MANAGEMENT, LLC | 75,000 | $222,750 | 0.0% | 0.1% | 0.0% |
| 21 | Caitong International Asset Management Co., Ltd | 65,817 | $195,476 | 0.0% | 0.1% | +346305.3% |
| 22 | Focus Partners WealthNEW | 64,000 | $190,080 | 0.0% | 0.1% | new |
| 23 | BANK OF AMERICA CORP /DE/ | 63,164 | $187,597 | 0.0% | 0.1% | +0.2% |
| 24 | SUSQUEHANNA INTERNATIONAL GROUP, LLPNEW | 58,713 | $174,378 | 0.0% | 0.1% | new |
| 25 | BRC Group Holdings, Inc. | 56,818 | $168,749 | 0.0% | 0.1% | 0.0% |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.