GCTS · Insider trading · 13F holders · Congress trades
GCT Semiconductor Holding, Inc. (GCTS)
Who is buying and selling GCTS: company insiders on SEC Form 4, hedge funds and superinvestors on Form 13F, and members of Congress under the STOCK Act. Every figure links to the filing or page it comes from.
- 13F filers holding
- 3
- Insider buys, 90 days
- $0
- Insider sales, 90 days
- $0
- Congress trades, 12 months
- 0
GCTS at a glance
- No open-market insider purchases or sales of GCTS were filed in the last 90 days.
- 3 13F filers hold GCTS among their 50 largest positions, worth $652K combined. The biggest bets by portfolio weight are Spark Investment Management LLC (0.2%), Team Hewins, LLC (0.1%) and BRC Group Holdings, Inc. (0.0%). In their latest 13Fs, 1 manager opened a new position and 0 added to one.
- No member of Congress has disclosed a trade in GCTS.
GCTS insider trading
No open-market insider purchases or sales of GCTS were filed in the last 90 days.
Who owns GCTS? Hedge funds and superinvestors
3 13F filers hold GCTS among their 50 largest positions, worth $652K combined. The biggest bets by portfolio weight are Spark Investment Management LLC (0.2%), Team Hewins, LLC (0.1%) and BRC Group Holdings, Inc. (0.0%). In their latest 13Fs, 1 manager opened a new position and 0 added to one.
| Manager | % of portfolio | Value | Shares | Last quarter | 13F |
|---|---|---|---|---|---|
| Team Hewins, LLCWealth manager | 0.1% | $373K | 125,640 | +0.0% shares | Q2 2026 |
| BRC Group Holdings, Inc.Investment manager | 0.0% | $169K | 56,818 | +0.0% shares | Q2 2026 |
| Spark Investment Management LLCHedge fund | 0.2% | $110K | 37,100 | New | Q2 2026 |
Each manager counts with its latest 13F (Q2 2026: 3). Screen GCTS in the grand portfolio →
GCTS stock trades by members of Congress
No member of Congress has disclosed a trade in GCTS.
GCTS questions and answers
Are insiders buying GCTS stock?
No open-market insider purchases or sales of GCTS were filed in the last 90 days.
Which hedge funds own GCTS?
3 13F filers hold GCTS among their 50 largest positions, worth $652K combined. The biggest bets by portfolio weight are Spark Investment Management LLC (0.2%), Team Hewins, LLC (0.1%) and BRC Group Holdings, Inc. (0.0%). In their latest 13Fs, 1 manager opened a new position and 0 added to one.
Has Congress traded GCTS?
No member of Congress has disclosed a trade in GCTS.
Who is the largest holder of GCTS?
Among 13F filers, Team Hewins, LLC reports the largest GCTS position, $373K (125,640 shares) in its Q2 2026 13F. The biggest bet by portfolio weight is Spark Investment Management LLC's: 0.2% of its portfolio.
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