# GCT SEMICONDUCTOR HLDG INC (GCTS)

> Institutional ownership reported to the SEC as of Q2 2026, from Form 13F filings. Source: https://holderbook.com/stocks/GCTS/

- Reporting holders: 55
- Reported value: $38.9M
- Shares held by institutions: 13,000,819 of 91,969,726 outstanding
- Held through calls: 0.6%
- Held through puts: 0.3%

A 13F reports long US equity positions only. Shorts, bonds, foreign listings and cash are not visible here, and positions are disclosed up to 45 days after the quarter ends.

## Largest holders

| Manager | Value | Shares | Share of their book | Quarters held |
|---|---|---|---|---|
| [VANGUARD CAPITAL MANAGEMENT LLC](https://holderbook.com/funds/2100119-vanguard-capital-management-llc/) | $8.9M | 2,999,130 | 0.0% | 2 |
| [RENAISSANCE TECHNOLOGIES LLC](https://holderbook.com/funds/1037389-renaissance-technologies-llc/) | $5.0M | 1,695,300 | 0.0% | 1 |
| [MARSHALL WACE, LLP](https://holderbook.com/funds/1318757-marshall-wace-llp/) | $3.9M | 1,296,433 | 0.0% | 1 |
| [BlackRock, Inc.](https://holderbook.com/funds/2012383-blackrock-inc/) | $3.8M | 1,281,164 | 0.0% | 8 |
| [TUDOR INVESTMENT CORP ET AL](https://holderbook.com/funds/923093-tudor-investment-corp-et-al/) | $2.4M | 818,485 | 0.0% | 1 |
| [GEODE CAPITAL MANAGEMENT, LLC](https://holderbook.com/funds/1214717-geode-capital-management-llc/) | $2.3M | 767,459 | 0.0% | 9 |
| [STATE STREET CORP](https://holderbook.com/funds/93751-state-street-corp/) | $2.1M | 706,178 | 0.0% | 9 |
| [UBS Group AG](https://holderbook.com/funds/1610520-ubs-group-ag/) | $1.9M | 646,238 | 0.0% | 10 |
| [VANGUARD FIDUCIARY TRUST CO](https://holderbook.com/funds/933478-vanguard-fiduciary-trust-co/) | $1.2M | 416,917 | 0.0% | 2 |
| [Informed Momentum Co LLC](https://holderbook.com/funds/1510989-informed-momentum-co-llc/) | $716.5K | 241,246 | 0.1% | 1 |
| [CITADEL ADVISORS LLC](https://holderbook.com/funds/1423053-citadel-advisors-llc/) | $714.4K | 154,336 | 0.0% | 1 |
| [XTX Topco Ltd](https://holderbook.com/funds/1828301-xtx-topco-ltd/) | $489.2K | 164,717 | 0.0% | 3 |
| [JANE STREET GROUP, LLC](https://holderbook.com/funds/1595888-jane-street-group-llc/) | $481.1K | 133,082 | 0.0% | 1 |
| [NORTHERN TRUST CORP](https://holderbook.com/funds/73124-northern-trust-corp/) | $461.4K | 155,346 | 0.0% | 9 |
| [Robertson Stephens Wealth Management, LLC](https://holderbook.com/funds/1767307-robertson-stephens-wealth-management-llc/) | $445.5K | 150,000 | 0.0% | 1 |
| [SEI INVESTMENTS CO](https://holderbook.com/funds/350894-sei-investments-co/) | $424.4K | 142,901 | 0.0% | 1 |
| [Team Hewins, LLC](https://holderbook.com/funds/1964760-team-hewins-llc/) | $373.2K | 125,640 | 0.1% | 4 |
| [GOLDMAN SACHS GROUP INC](https://holderbook.com/funds/886982-goldman-sachs-group-inc/) | $335.1K | 112,837 | 0.0% | 8 |
| [ExodusPoint Capital Management, LP](https://holderbook.com/funds/1736225-exoduspoint-capital-management-lp/) | $263.0K | 88,539 | 0.0% | 1 |
| [BRIDGEWAY CAPITAL MANAGEMENT, LLC](https://holderbook.com/funds/1107261-bridgeway-capital-management-llc/) | $222.8K | 75,000 | 0.0% | 4 |
| [Caitong International Asset Management Co., Ltd](https://holderbook.com/funds/1963355-caitong-international-asset-management-co-ltd/) | $195.5K | 65,817 | 0.0% | 2 |
| [Focus Partners Wealth](https://holderbook.com/funds/1542153-focus-partners-wealth/) | $190.1K | 64,000 | 0.0% | 1 |
| [BANK OF AMERICA CORP /DE/](https://holderbook.com/funds/70858-bank-of-america-corp-de/) | $187.6K | 63,164 | 0.0% | 9 |
| [SUSQUEHANNA INTERNATIONAL GROUP, LLP](https://holderbook.com/funds/1446194-susquehanna-international-group-llp/) | $174.4K | 58,713 | 0.0% | 1 |
| [BRC Group Holdings, Inc.](https://holderbook.com/funds/1464790-brc-group-holdings-inc/) | $168.7K | 56,818 | 0.0% | 6 |

## Quarter by quarter

| Quarter | Holders | Reported value |
|---|---|---|
| Q2 2026 | 55 | $38.9M |
| Q1 2026 | 34 | $5.1M |
| Q4 2025 | 24 | $4.6M |
| Q3 2025 | 29 | $5.8M |
| Q2 2025 | 31 | $6.2M |
| Q1 2025 | 42 | $5.9M |
| Q4 2024 | 41 | $7.1M |
| Q3 2024 | 41 | $10.6M |
| Q2 2024 | 33 | $14.6M |
| Q1 2024 | 8 | $9.0M |