Whale Analyzer
CBRS Institutional Holders and 13F Ownership
Compare 9 tracked holders of CBRS, their reported positions and disclosed changes. Coverage is limited to the investors tracked by Whale Analyzer; these records do not establish all shareholders or current trades. Brad Gerstner is the largest reported holder at $1.60B; the top five funds control 98.3% of reported ownership; institutions were net buying last quarter (9 increased, 0 reduced); the stock trades above the aggregate whale cost basis of $168.52. Top tracked holders include Brad Gerstner, Philippe Laffont, Gavin Baker, and Chase Coleman.
Continue to the live CBRS dashboardTop holders
| Investor | Reported value | Shares | Change | Report date |
|---|---|---|---|---|
| Brad Gerstner 13F portfolio Altimeter Capital holdings | $1.60B | 7.2M | New | 2026-06-30 |
| Philippe Laffont 13F portfolio Coatue Management holdings | $1.55B | 7.0M | New | 2026-06-30 |
| Gavin Baker 13F portfolio Atreides Management holdings | $687.3M | 3.1M | New | 2026-06-30 |
| Chase Coleman 13F portfolio Tiger Global Management holdings | $662.8M | 3.0M | New | 2026-06-30 |
| Cathie Wood 13F portfolio ARK Investment Management holdings | $169.0M | 764.6K | New | 2026-06-30 |
| Dan Sundheim 13F portfolio D1 Capital Partners holdings | $33.1M | 150.0K | New | 2026-06-30 |
| George Soros 13F portfolio Soros Fund Management holdings | $33.1M | 150.0K | New | 2026-06-30 |
| Whale Rock Capital 13F portfolio Whale Rock Capital Management holdings | $11.2M | 50.7K | New | 2026-06-30 |
| Leopold Aschenbrenner 13F portfolio Situational Awareness LP holdings | $2.2M | 10.0K | New | 2026-06-30 |
Ownership concentration
Reported ownership of CBRS is highly concentrated across tracked institutions.
- Single largest holder: 33.7% of reported ownership
- Top 5 holders: 98.3%
- Top 10 holders: 100.0%
Whale activity this quarter
Across 9 tracked institutions, 9 increased. Net positioning is net buying.
- Brad Gerstner — Altimeter Capital ($1.60B) · avg cost $168.52
- Philippe Laffont — Coatue Management ($1.55B) · avg cost $168.52
- Gavin Baker — Atreides Management ($687.3M) · avg cost $168.52
- Chase Coleman — Tiger Global Management ($662.8M) · avg cost $168.52
- Cathie Wood — ARK Investment Management ($169.0M) · avg cost $168.52
- Dan Sundheim — D1 Capital Partners ($33.1M) · avg cost $168.52
- George Soros — Soros Fund Management ($33.1M) · avg cost $168.52
- Whale Rock Capital — Whale Rock Capital Management ($11.2M) · avg cost $168.52
Whale cost basis vs current price
The aggregate tracked cost basis is $168.52 versus a current price of $191.93, so CBRS trades above its cost basis (+13.9%). Average unrealized P&L across tracked holders: 14%.
Sector positioning — Information Technology
CBRS sits within the Information Technology sector alongside 135 other tracked names. Compare whale ownership across peers:
How to use this page
Values are reported public positions from tracked 13F filers and disclosures — not real-time ownership totals. Open the live CBRS dashboard for price charts and cross-investor scans, or read the SEC 13F guide.
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Learn more in Whale Analyzer Academy
Deepen your read on CBRS with these Whale Analyzer Academy guides:
Frequently asked questions
Who owns CBRS stock?
Whale Analyzer tracks 9 public institutional holders of CBRS with a combined reported value of $4.74B. See the holder table above for the largest tracked positions.
Which top funds are buying CBRS?
Tracked institutions were net buying last quarter — 9 increased. Check the "Change" column: "New" = fresh position, "Increased" = added, "Reduced" = trimmed.
How concentrated is CBRS ownership?
The top five tracked holders report 98.3% of aggregate ownership.
Is CBRS above or below the whale cost basis?
The aggregate tracked cost basis is $168.52 versus a current price of $191.93 (+13.9%).
What does 13F ownership mean for CBRS?
These are historical reported positions from tracked filers, not real-time ownership or a complete shareholder register. Use the interactive CBRS dashboard to explore them, or read our 13F Alpha Signals Guide.