The cluster is dominated by passive index funds, suggesting the buying reflects index rebalancing or ETF inflows rather than a fundamental catalyst. Monitor for any active manager accumulation or insider buying to confirm a genuine thesis shift.
Executive Summary
In Q2 2026, a cluster of 13 institutional buyers accumulated $15.6M in GCTS shares, overwhelmingly dominated by mega-passive index funds (Vanguard, BlackRock, Geode, UBS). The sole seller, a small asset manager, exited a negligible position. The buying is consistent with index rebalancing or passive fund inflows rather than an active fundamental thesis, and the 45-day reporting lag means positions may already be unwound.
Key Financial Metrics
Institutional Positions
Net institutional flow: $15.6M
▲ Buyers (13)
| Institution | Action | Change | Position Value | Value Δ |
|---|---|---|---|---|
| Vanguard | ADD | +71.6% | $10.1M | $7.9M |
| BlackRock | DOUBLED | +114.3% | $3.8M | $3.1M |
| Geode | ADD | +61.8% | $2.3M | $1.7M |
| UBS | DOUBLED | +1629.6% | $1.9M | $1.9M |
▼ Sellers (1)
| Institution | Action | Change | Prev Value | Value Δ |
|---|---|---|---|---|
| Arax Advisory Partners | NEAR_EXIT | -97.3% | $4.0K | -$3.0K |
Key Facts
- 13 institutional buyers added $15.6M in net new value, while 1 seller reduced by only $3K
- Top buyers by dollar value: Vanguard (+$7.9M), BlackRock (+$3.1M), Geode (+$1.7M), UBS (+$1.9M)
- All top buyers are mega-passive index fund managers (Vanguard, BlackRock, Geode, UBS, JPMorgan, Morgan Stanley, Goldman Sachs, Northern Trust)
- The only seller, Arax Advisory Partners, reduced a tiny $4K position to near zero
- 13F data is as of June 30, 2026 — positions may have changed materially since then
Financial Impact
13 institutions accumulated $15.6M in new GCTS positions, while 1 seller reduced by $3K. Total institutional buying value: $19.3M current holdings.
Risk Factors
- 13F data is 45+ days stale; current positions may differ materially
- Passive fund buying provides no fundamental conviction signal
- GCTS is a small-cap stock; passive flows can be volatile and reverse quickly
Investment Themes
Documents Analyzed
This report is based on 1 institutional 13F filing from SEC EDGAR.
| Document | Accession Number |
|---|---|
| INST-CLUSTER Data (Synthetic) | inst-cluster-GCTS-2026-Q2 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Sep 22, 2026 4w ago | Institutional Cluster | $2.20 $1.53 | ▼ −30.45% | ▼ −29.89% | — |
Aug 10, 2026 11w ago | 8-K | $2.04 $1.82 | ▲ +10.78% | ▲ +9.73% | — |
Jun 18, 2026 18w ago | 8-K | $2.90 $2.10 | ▲ +27.59% | ▲ +27.44% | — |
Jun 18, 2026 18w ago | 424B5 | $2.90 $2.10 | ▲ +27.59% | ▲ +27.44% | — |
US Market Status
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