CBRS
CEREBRAS SYSTEMS INC - AData as of 2026 Q2 (06-30) · 13F snapshot
Common-stock positions
PUT and CALL disclosures are excluded from these holder counts and values.
| Investor | Value | % of portfolio | Action |
|---|---|---|---|
| Brad Gerstner | $1.60B | 16.2% | New large stake |
| Chase Coleman | $662.78M | 2.8% | New large stake |
| Philippe Laffont | $194.87M | 3.2% | New large stake |
| Cathie Wood | $168.98M | 1.1% | New large stake |
| Davidson Kempner | $74.97M | 1.8% | New large stake |
| George Soros | $33.15M | 0.5% | New |
PUT / CALL disclosures
Reported separately: 13F option values are not common-stock ownership and do not reveal the full strategy or economic exposure.
| Investor | Value | % of portfolio | Action |
|---|---|---|---|
| Ken GriffinCALL | $218.55M | — | — |
| Ken GriffinPUT | $193.95M | — | — |
| Davidson KempnerCALL | $88.40M | — | — |
| Izzy EnglanderCALL | $1.52M | — | — |
| Paul Tudor JonesCALL | $552.5K | — | — |
Insider Trading
Officers · directors · Form 4Sean Lie
Chief Technology Officer
Sell$2.85M13,776 @ $206.63Traded 2026-09-25Filed 2026-09-28Sean Lie
Chief Technology Officer
Sell$1.94M9,177 @ $211.32Traded 2026-09-25Filed 2026-09-28Sean Lie
Chief Technology Officer
Sell$1.43M6,869 @ $207.54Traded 2026-09-25Filed 2026-09-28Sean Lie
Chief Technology Officer
Sell$106.1K500 @ $212.14Traded 2026-09-25Filed 2026-09-28Sean Lie
Chief Technology Officer
Sell$4.38M21,022 @ $208.41Traded 2026-09-25Filed 2026-09-28Sean Lie
Chief Technology Officer
Sell$6.43M30,565 @ $210.45Traded 2026-09-25Filed 2026-09-28Sean Lie
Chief Technology Officer
Sell$6.28M29,991 @ $209.53Traded 2026-09-25Filed 2026-09-28Sean Lie
Chief Technology Officer
Sell$1.21M5,900 @ $205.30Traded 2026-09-25Filed 2026-09-28Sean Lie
Chief Technology Officer
Sell$449.9K2,200 @ $204.50Traded 2026-09-25Filed 2026-09-28Andrew D. Feldman
CEO, President
Sell$356.5K1,707 @ $208.84Traded 2026-09-04Filed 2026-09-08
Insider transactions are public SEC Form 4 disclosures (company officers, directors, 10% owners), for research only — not investment advice.
ARK ETF holdings
Cathie Wood · daily- ARKWweight in fund2.53%$48.83M
- ARKKweight in fund2.52%$215.15M
ARK publishes full ETF holdings daily (SEC Rule 6c-11). Line shows ARK's total shares held over time (not price); markers are buy/sell days. Derived from public CSVs — research only, not investment advice.
Public SEC 13F filings may appear up to 45 days after quarter-end; STOCK Act / OGE trade filings are generally due within 45 days but may be late. Partial data only — research, not investment advice.