Among active 13F managers last quarter, 4 opened and 11 added, while 6 reduced; the largest holder to move was Renaissance Technologies LLC (+2.6%). Over the last 180 days, 3 insiders bought and 1 insider sold, a net +$10K in open-market trades.
Funds lean in and no leg opposes.
71 tracked 13F filers disclose a position in GCBC as of the latest SEC 13F filings, a combined $72.7M 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 | BlackRock, Inc. | 668K | $22.4M | ▼−1.6% Reduced · −11K sh | Q2 2026 | |
| 2 | Vanguard Capital Management LLC | 492K | $16.5M | ▲+65% Added · +194K sh | Q2 2026 | |
| 3 | Geode Capital Management, LLC | 184K | $6.2M | ▲+10% Added · +17K sh | Q2 2026 | |
| 4 | State Street Corp | 129K | $4.3M | ▲+0.2% Added · +218 sh | Q2 2026 | |
| 5 | NewEdge Advisors, LLC | 109K | $3.7M | ▼−0.3% Reduced · −289 sh | Q2 2026 | |
| 6 | Dimensional Fund Advisors LP | 93K | $2.1M | ▲+1.1% Added · +1K sh | Q1 2026 | |
| 7 | Goldman Sachs Group Inc | 68K | $1.5M | ▲+2.7% Added · +2K sh | Q1 2026 | |
| 8 | Renaissance Technologies LLC | 51K | $1.1M | ▲+2.6% Added · +1K sh | Q1 2026 | |
| 9 | Northern Trust Corp | 51K | $1.1M | ▲+3.3% Added · +2K sh | Q1 2026 | |
| 10 | Vanguard Portfolio Management LLC | 48K | $1.6M | ▲+16% Added · +7K sh | Q2 2026 | |
| 11 | Vanguard Fiduciary Trust Co | 46K | $1.6M | ▼−11% Reduced · −6K sh | Q2 2026 | |
| 12 | LPL Financial LLC | 43K | $961K | ▲~0% Added · +7 sh | Q1 2026 | |
| 13 | HSBC Holdings PLC | 42K | $968K | ▲+1.2% Added · +521 sh | Q1 2026 | |
| 14 | Raymond James Financial Inc | 35K | $783K | ▼−4.5% Reduced · −2K sh | Q1 2026 | |
| 15 | Morgan Stanley | 34K | $773K | ▼−14% Reduced · −6K sh | Q1 2026 | |
| 16 | Barclays PLC | 29K | $640K | ▼−24% Reduced · −9K sh | Q1 2026 | |
| 17 | Bank of New York Mellon Corp | 26K | $580K | ▼−3.4% Reduced · −902 sh | Q1 2026 | |
| 18 | Millennium Management LLC | 24K | $530K | ▼−35% Reduced · −13K sh | Q1 2026 | |
| 19 | Nuveen, LLC | 23K | $507K | ▲+0.9% Added · +206 sh | Q1 2026 | |
| 20 | Bank Of America Corp | 21K | $477K | ▲+5.2% Added · +1K sh | Q1 2026 | |
| 21 | Two Sigma Investments, LP | 20K | $439K | ▲+30% Added · +5K sh | Q1 2026 | |
| 22 | Charles Schwab Investment Management Inc | 19K | $418K | ▼−7.5% Reduced · −2K sh | Q1 2026 | |
| 23 | AQR Capital Management LLC | 17K | $371K | ▼−4.4% Reduced · −758 sh | Q1 2026 | |
| 24 | Wells Fargo & Company | 14K | $320K | ▼−27% Reduced · −5K sh | Q1 2026 | |
| 25 | Arax Advisory Partners | 13K | $424K | ▲549× Added · +13K 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, 4 funds opened a new position in GCBC and 11 added to an existing one, while 6 reduced. 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 |
|---|---|---|
| Nvidia CorpNVDA | 26 funds | $63.8B |
| Apple IncAAPL | 26 funds | $46.9B |
| Microsoft CorpMSFT | 26 funds | $43.1B |
| Meta Platforms Inc-Class AMETA | 26 funds | $20.4B |
| Eli Lilly & CoLLY | 26 funds | $12.4B |
| Tesla IncTSLA | 26 funds | $11.3B |
| JPMorgan Chase & CoJPM | 26 funds | $10.3B |
| Mastercard Inc - AMA | 26 funds | $9.0B |
| Costco Wholesale CorpCOST | 26 funds | $8.9B |
| Netflix IncNFLX | 26 funds | $6.9B |
| Walmart IncWMT | 26 funds | $6.4B |
| General ElectricGE | 26 funds | $5.6B |
Ranked by how many of GCBC's tracked holders also hold each name. The last column is those co-holders' combined reported position in that name, not in GCBC.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Jun 11, 2026 | Plummer Michelle M | Director | Sell (S) | 10K | $288K |
| Apr 28, 2026 | Brust John | Director | Buy (P) | 2K | $50K |
| Apr 27, 2026 | Brust John | Director | Buy (P) 2 lots, same day | 2K | $50K |
| Mar 18, 2026 | Hada Tejraj S | Director | Buy (P) | 4K | $88K |
| Mar 18, 2026 | Hogan Peter W. | Director | Buy (P) | 3K | $66K |
| Mar 17, 2026 | Hada Tejraj S | Director | Buy (P) | 2K | $44K |
| Mar 5, 2026 | Barzee Nick | SVP and CFO | Buy (P) | 1K | $29K |
| Mar 2, 2026 | Cannucciari Christopher | Director | Buy (P) | 1K | $29K |
| Nov 18, 2025 | Antalek John | EVP and CLO | Buy (P) | 2K | $33K |
| Nov 18, 2025 | Hada Tejraj S | Director | Buy (P) | 3K | $66K |
| Nov 14, 2025 | Hada Tejraj S | Director | Buy (P) | 366 | $8K |
| Nov 5, 2025 | Hada Tejraj S | Director | Buy (P) | 2K | $34K |
One row per insider, day and transaction code; shares and value are summed across the lots. Every lot is on the full insider page and in the filing.
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 | 32 | 26 | – |
Insiders Form 4 open-market | 3 | 1 | +$10K |
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.
Connected entities for GCBC
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/GCBC/capital-change-brief"
Use Arkolith's capital_change_brief for GCBC. 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 GCBC. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.