Among active 13F managers last quarter, 3 opened and 8 added, while 4 reduced; the largest holder to move was Renaissance Technologies LLC (+15%). Over the last 180 days, 3 insiders bought and none sold, a net +$32K in open-market trades.
Funds lean in and no leg opposes.
67 tracked 13F filers disclose a position in CGTX as of the latest SEC 13F filings, a combined $18.5M 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 | Davenport & Co LLC | 4.3M | $4.9M | ▲+47% Added · +1.4M sh | Q2 2026 | |
| 2 | Vanguard Capital Management LLC | 3.4M | $4.0M | ▲+15% Added · +437K sh | Q2 2026 | |
| 3 | BlackRock, Inc. | 1.3M | $1.5M | ▲+30% Added · +294K sh | Q2 2026 | |
| 4 | Renaissance Technologies LLC | 1.1M | $848K | ▲+15% Added · +148K sh | Q1 2026 | |
| 5 | Chescapmanager LLC | 997K | $1.1M | —Held | Q2 2026 | |
| 6 | Geode Capital Management, LLC | 910K | $1.0M | ▼−1.1% Reduced · −10K sh | Q2 2026 | |
| 7 | Hilton Capital Management, LLC | 549K | $631K | —Held | Q2 2026 | |
| 8 | Vanguard Fiduciary Trust Co | 508K | $584K | ▲+9.6% Added · +45K sh | Q2 2026 | |
| 9 | CM Management, LLC | 450K | $518K | ▲+13% Added · +50K sh | Q2 2026 | |
| 10 | Jane Street Group, LLC | 370K | $281K | ▼−40% Reduced · −244K sh | Q1 2026 | |
| 11 | Sigma Planning Corp | 362K | $417K | ▲+7.3% Added · +25K sh | Q2 2026 | |
| 12 | State Street Corp | 349K | $401K | ▲+11% Added · +35K sh | Q2 2026 | |
| 13 | Tocqueville Asset Management L.P. | 321K | $369K | ▲+64% Added · +126K sh | Q2 2026 | |
| 14 | American Financial Group Inc | 205K | $236K | —Held | Q2 2026 | |
| 15 | XTX Topco Ltd | 196K | $149K | ▲+426% Added · +159K sh | Q1 2026 | |
| 16 | Voss Capital, LP | 175K | $201K | ▼−13% Reduced · −25K sh | Q2 2026 | |
| 17 | Northern Trust Corp | 169K | $128K | ▼−13% Reduced · −26K sh | Q1 2026 | |
| 18 | Texas Capital Bank Wealth Management Services Inc | 143K | $165K | ▲+16% Added · +20K sh | Q2 2026 | |
| 19 | Charles Schwab Investment Management Inc | 85K | $65K | —Held | Q1 2026 | |
| 20 | Susquehanna International Group, LLP | 81K | $61K | ▲+0.8% Added · +670 sh | Q1 2026 | |
| 21 | UBS Group AG | 77K | $58K | ▲+3.4% Added · +3K sh | Q1 2026 | |
| 22 | Corient Private Wealth LP | 72K | $55K | —Held | Q1 2026 | |
| 23 | McAdam, LLC | 65K | $74K | ▼−7.7% Reduced · −5K sh | Q2 2026 | |
| 24 | Fca Corp | 53K | $60K | —Held | Q2 2026 | |
| 25 | Circle Wealth Management, LLC | 49K | $37K | —Held | Q1 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, 3 funds opened a new position in CGTX and 8 added to an existing one, while 4 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 |
|---|---|---|
| Microsoft CorpMSFT | 28 funds | $3.5B |
| Nvidia CorpNVDA | 27 funds | $5.8B |
| Alphabet Inc-CL AGOOGL | 27 funds | $3.7B |
| Amazon.com IncAMZN | 27 funds | $3.4B |
| Apple IncAAPL | 26 funds | $5.5B |
| JPMorgan Chase & CoJPM | 26 funds | $2.2B |
| Eli Lilly & CoLLY | 26 funds | $950.4M |
| Bank Of America CorpBAC | 26 funds | $683.1M |
| Broadcom IncAVGO | 25 funds | $2.0B |
| Alphabet Inc-CL CGOOG | 25 funds | $1.3B |
| Chevron CorpCVX | 25 funds | $1.2B |
| Unitedhealth Group IncUNH | 25 funds | $1.0B |
Ranked by how many of CGTX's tracked holders also hold each name. The last column is those co-holders' combined reported position in that name, not in CGTX.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Apr 16, 2026 | Caggiano Anthony | Chief Medical Officer | Buy (P) | 10K | $11K |
| Apr 16, 2026 | Ricciardi Lisa | CEO & President, Director | Buy (P) | 9K | $10K |
| Apr 16, 2026 | Doyle John Brendan | Chief Financial Officer | Buy (P) | 10K | $11K |
| Jan 31, 2025 | Ricciardi Lisa | CEO & President, Director | Buy (P) | 39K | $30K |
| Mar 14, 2024 | Ricciardi Lisa | CEO & President, Director | Buy (P) | 6K | $10K |
| Nov 29, 2022 | Richstone Ellen B | Director | Buy (P) | 10K | $27K |
| Nov 28, 2022 | Bios Fund III Qp, Lp | Director, 10% Owner | Buy (P) 3 lots, same day | 16K | $43K |
| Nov 28, 2022 | Bios Fund I Qp, Lp | Director, 10% Owner | Buy (P) 3 lots, same day | 16K | $43K |
| Nov 16, 2022 | Bios Fund III Nt, Lp | 10% Owner | Buy (P) 3 lots, same day | 71K | $99K |
| Nov 16, 2022 | Bios Fund I, Lp | 10% Owner | Buy (P) 3 lots, same day | 71K | $99K |
| Nov 15, 2022 | Wallace Peggy | Director | Buy (P) | 13K | $15K |
| Nov 15, 2022 | Ricciardi Lisa | CEO & President, Director | Buy (P) | 12K | $16K |
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 | 22 | 10 | – |
Insiders Form 4 open-market | 3 | 0 | +$32K |
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 CGTX
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/CGTX/capital-change-brief"
Use Arkolith's capital_change_brief for CGTX. 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 CGTX. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.