Among active 13F managers last quarter, 2 opened and none reduced or exited; the largest holder to move was XTX Topco Ltd (new position). Over the last 180 days, 1 insider bought and 1 insider sold, a net +$85K in open-market trades.
Funds lean in and no leg opposes.
7 tracked 13F filers disclose a position in GDC as of the latest SEC 13F filings, a combined $205K in reported value. Holders and values reflect the 13F filers Arkolith currently tracks, not the entire institutional universe. Counts and totals are a floor, not the full institutional ownership.
| # | Fund | Shares | Position value | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | Osaic Holdings, Inc. | 25K | $67K | ▲+56% Added · +9K sh | Q1 2026 | |
| 2 | Goldman Sachs Group Inc | 23K | $62K | ▲New +23K sh | Q1 2026 | |
| 3 | XTX Topco Ltd | 16K | $45K | ▲New +16K sh | Q1 2026 | |
| 4 | E6 Portfolios, LLC | 10K | $21K | ▲New +10K sh | Q2 2026 | |
| 5 | BlackRock, Inc. | 3K | $7K | ▲New +3K sh | Q2 2026 | |
| 6 | Vanguard Portfolio Management LLC | 1K | $3K | ▲New +1K sh | Q2 2026 | |
| 7 | Vanguard Fiduciary Trust Co | 117 | $240 | ▲New +117 sh | Q2 2026 |
Holders and values reflect the 13F filers Arkolith currently tracks, not the entire institutional universe. Counts and totals are a floor, not the full institutional ownership.
Last quarter, 2 funds opened a new position in GDC, while none reduced or exited. Based on 13F filings from active, signal-eligible managers (passive index funds and other mechanical holders are excluded from this count).
| Company | Co-held by | Their position there |
|---|---|---|
| Dimensional US Core Equity 2DFAC | 1 funds | $19.7M |
| Dimensional World Ex US CoreDFAX | 1 funds | $13.8M |
| Dimsnl Intr CF In ETF-Usd InDFGX | 1 funds | $10.0M |
| Janus Henderson Aaa Clo ETFJAAA | 1 funds | $8.3M |
| Ishares Aaa Clo Act ETF-UsdiCLOA | 1 funds | $8.1M |
| Invesco Variable Rate InvestVRIG | 1 funds | $7.1M |
| Dimensional Core Fixed IncDFCF | 1 funds | $4.7M |
| Dimensional International SMDISV | 1 funds | $3.5M |
| Dim US Large Cap Value ETFDFLV | 1 funds | $3.0M |
| Apple IncAAPL | 1 funds | $2.8M |
| Nvidia CorpNVDA | 1 funds | $2.6M |
| Dimensional Emerging Core EqDFAE | 1 funds | $2.4M |
Ranked by how many of GDC's tracked holders also hold each name. The last column is those co-holders' combined reported position in that name, not in GDC.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Jun 26, 2026 | Hrt Financial Lp | 10% Owner | Sell (S) | 3.1M | $34K |
| Jun 25, 2026 | Hrt Financial Lp | 10% Owner | Sell (S) | 604K | $8K |
| Jun 24, 2026 | Hrt Financial Lp | 10% Owner | Buy (P) | 6.1M | $128K |
| Aug 11, 2020 | Xu Wei | Director, 10% Owner | Buy (P) | 185K | $278K |
| Dec 2, 2019 | Jin Yimin | Chief Executive Officer, Director, 10% Owner | Sell (S) | 1.0M | $800K |
| Feb 6, 2018 | Zhang Qi | 10% Owner | Sell (S) | 88K | $2K |
| Feb 6, 2018 | Jetta Kurt | Insider | Buy (P) | 5K | $90 |
| Feb 6, 2018 | Drogue Arthur B | Insider | Buy (P) | 3K | $60 |
| Oct 11, 2017 | Richerson Timothy James | CEO and CFO, Director | Buy (P) | 120K | $2K |
| Oct 11, 2017 | Zhang Qi | Director, 10% Owner | Sell (S) | 170K | $3K |
| Oct 11, 2017 | Nathanial Peter | President and Secretary, Director | Sell (P) | 50K | $1K |
| Jan 15, 2016 | Zhong Hui Holding Ltd | 10% Owner | Buy (P) | 268K | $5K |
Where institutional funds (13F), corporate insiders (Form 4) and US House members (STOCK Act) are buying or selling the same name in the same window. Green is buying, red is selling.
Insiders and Congress: last 180 days. Funds: latest 13F, top 100 holders incl. passive
| Source | Buying | Selling | Net |
|---|---|---|---|
13F funds Top 100 holders by value, passive included; the hero counts active managers only | 1 | 0 | – |
Insiders Form 4 open-market | 1 | 1 | +$85K |
US House STOCK Act trades | 0 | 0 | $0 |
Capital Rotation reports where institutional capital disclosed rotating, as of the latest public SEC 13F filings. It is data, not investment advice, a recommendation, or a prediction. Filings lag about 45 days and cover long US equity positions only. Past disclosed flows do not indicate future prices. Do your own research; consult a licensed advisor.
| Class | 13F holders | Value held |
|---|---|---|
| GDCthis pageCOMMON STOCK | 4 funds | $31K |
| GDCthis pageCOM NEW | 3 funds | $174K |
Same issuer, multiple share classes. The consensus leaderboards count this company once across all classes; this is the per-class detail.
Connected entities for GDC
This stock page is the public Follow view. For one current, evidence-backed answer, use capital_change_brief through REST or MCP. It compares tracked 13F changes with qualifying Form 4 activity and cites the SEC evidence.
curl -H "Authorization: Bearer YOUR_API_KEY" \ "https://arkolith.com/api/v1/stocks/GDC/capital-change-brief"
Use Arkolith's capital_change_brief for GDC. Tell me what changed, whether insider activity corroborates it, and cite the SEC evidence.
13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for GDC. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.