Ranked by reported Q1 2026 13F market value
Share of total reported institutional value in CGON held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | RTW INVESTMENTS, LP | 7.0M | $472.7M | +247.1% | 7.919% | 4.70% |
| 2 | Decheng Capital LLC | 6.4M | $431.2M | 0.0% | 7.224% | 65.21% |
| 3 | WELLINGTON MANAGEMENT GROUP LLP | 5.4M | $363.5M | -10.5% | 6.090% | 0.07% |
| 4 | BlackRock, Inc. | 5.1M | $342.7M | +4.6% | 5.742% | 0.01% |
| 5 | FMR LLC | 3.8M | $254.8M | -12.4% | 4.268% | 0.01% |
| 6 | TCG Crossover Management, LLC | 3.7M | $248.4M | 0.0% | 4.161% | 7.11% |
| 7 | VANGUARD PORTFOLIO MANAGEMENT LLC | 3.1M | $209.5M | — | 3.509% | 0.01% |
| 8 | VANGUARD CAPITAL MANAGEMENT LLC | 3.0M | $205.3M | — | 3.439% | 0.01% |
| 9 | Caption Management, LLC | 2.8M | $186.7M | — | 3.128% | 1.78% |
| 10 | STATE STREET CORP | 2.6M | $179.2M | -11.7% | 3.001% | 0.01% |
| 11 | Foresite Capital Management VI LLC | 2.2M | $150.3M | 0.0% | 2.519% | 32.67% |
| 12 | GEODE CAPITAL MANAGEMENT, LLC | 1.6M | $108.1M | +5.7% | 1.810% | 0.01% |
| 13 | FRANKLIN RESOURCES INC | 1.5M | $102.0M | -3.5% | 1.709% | 0.02% |
| 14 | BANK OF AMERICA CORP /DE/ | 1.4M | $98.1M | +21.8% | 1.643% | 0.01% |
| 15 | DV Trading LLC | 1.4M | $97.4M | 0.0% | 1.632% | 2.37% |
| 16 | UBS Group AG | 1.3M | $88.8M | -31.8% | 1.487% | 0.01% |
| 17 | GOLDMAN SACHS GROUP INC | 1.2M | $78.5M | -12.5% | 1.314% | 0.01% |
| 18 | ACORN CAPITAL ADVISORS, LLC | 1.1M | $76.6M | -0.1% | 1.282% | 21.77% |
| 19 | EcoR1 Capital, LLC | 1.1M | $74.6M | +3.5% | 1.249% | 3.17% |
| 20 | UBS ASSET MANAGEMENT AMERICAS INC | 1.1M | $72.1M | -2.4% | 1.207% | 0.01% |
| 21 | Foresite Capital Management V, LLC | 1.0M | $68.0M | 0.0% | 1.138% | 25.08% |
| 22 | DRIEHAUS CAPITAL MANAGEMENT LLC | 1000K | $67.7M | — | 1.133% | 0.50% |
| 23 | BRAIDWELL LP | 985K | $66.7M | -47.3% | 1.117% | 2.22% |
| 24 | ORBIMED ADVISORS LLC | 948K | $64.2M | -37.5% | 1.075% | 1.35% |
| 25 | ALLIANCEBERNSTEIN L.P. | 1.3M | $53.6M | -20.0% | 1.463% | 0.02% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). “% of Fund” shows how much of that investor’s total 13F portfolio is invested in CGON — a direct measure of their conviction.
Filings activity in CGON during Q1 2026, grouped by how each filer changed its position.
8 quarters of 13F filings · Δ columns show change vs prior quarter
| Quarter | Inst. Holders | Δ Holders | Ownership % | Δ Ownership | Total 13F Value | Δ Value |
|---|---|---|---|---|---|---|
| Q1 2026 | 229 | +19% | 100.15% | +38.15 pp | $5.26B | +62% |
| Q4 2025 | 192 | +10% | 62.00% | +3.76 pp | $3.26B | +6.5% |
| Q3 2025 | 174 | +7.4% | 58.24% | +21.76 pp | $3.06B | +60% |
| Q2 2025 | 162 | +13% | 36.48% | +4.52 pp | $1.92B | +14% |
| Q1 2025 | 143 | +2.1% | 31.96% | 2.93 pp | $1.68B | 8.4% |
| Q4 2024 | 140 | +16% | 34.89% | 1.77 pp | $1.83B | 4.8% |
| Q3 2024 | 121 | +9.0% | 36.66% | +11.41 pp | $1.93B | +45% |
| Q2 2024 | 111 | — | 25.25% | — | $1.33B | — |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Δ columns compare to the immediately prior filed quarter.
Quick answers to the most common questions about buying CGON stock.
Based on Q1 2026 13F filings, institutional ownership of CG Oncology, Inc. Common stock stands at 100.2%, held across 229 reporting institutions.
RTW INVESTMENTS, LP is the largest reported institutional holder of CGON, with approximately 6,984,808 shares worth $0.47B as of Q1 2026.
No marquee "smart money" managers (Berkshire, Burry, ARK, Tiger Global, Pershing Square, Baupost, etc.) currently appear among the top 25 institutional holders of CGON.
Our composite Smart Money Score for CGON is 57 out of 100 (Neutral). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
64 institutions opened new positions in CGON during Q1 2026, while 27 fully exited. 144 added to existing positions and 20 trimmed.
CGON institutional ownership rose by 38.15 percentage points quarter-over-quarter, with a net change of +37 holders.
The top 10 institutions account for 55.0% of all reported 13F value in CGON, and the top 25 account for 79.1%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.
CG Oncology, Inc. Common stock (CGON) Institutional Ownership