CBRS
Cerebras Systems Inc.
101.10$
+7.9%
vs. previous close
Closing price · As of: Nov 11, 2026
Ownership
Ownership Structure
Who owns Cerebras Systems Inc. (CBRS)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 98.0% of the shares are freely tradable; institutional investors hold 44.5%.
Institutional ownership
?Share of the stock held by institutional investors (funds, banks, insurers) according to regulatory filings.
44.5%
Insiders
?Share of the stock held by the executives, founders and major shareholders of the company itself.
0.1%
Float
?Share of stock freely tradable on the market — not locked up in the hands of founders, insiders, or major shareholders.
98.0%
Short % of float
?Shares sold short as a percentage of the freely tradable float — high values signal many bets on falling prices.
17.7%
Shares Outstanding
?Total number of shares issued. Price times share count gives market cap.
112Mio.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| ECLIPSE VENTURES, LLC | 4.82 | 11,446,270 | +0.0 | 06/30/2026 |
| FMR Inc | 3.55 | 8,435,095 | +0.0 | 06/30/2026 |
| Altimeter Capital Management, LLC | 3.04 | 7,225,037 | +0.0 | 06/30/2026 |
| Coatue Management LLC | 2.95 | 7,011,028 | +0.0 | 06/30/2026 |
| Capital World Investors | 1.64 | 3,894,458 | +0.0 | 06/30/2026 |
| Morgan Stanley - Brokerage Accounts | 1.36 | 3,224,209 | +0.0 | 06/30/2026 |
| Atreides Management, LP | 1.31 | 3,110,086 | +0.0 | 06/30/2026 |
| JPMorgan Chase & Co | 1.31 | 3,100,806 | +0.0 | 06/30/2026 |
| Tiger Technology Management LLC | 1.26 | 2,999,000 | +0.0 | 06/30/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| iShares Semiconductor ETF | 1.08 | 2,554,795 | +2.3 | 10/30/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Insider holdings
| Person | Role | Shares | Value | As of | Type |
|---|---|---|---|---|---|
| Susan Lior | Director | 793,014 | 80,173,715 $ | Sep 30, 2026 | both |
| Vassallo Steven | Director | 341,558 | 34,531,514 $ | Jun 24, 2026 | indirect |
| Vishria Eric | Director | 334,980 | 33,866,478 $ | Oct 5, 2026 | indirect |
| Lie Sean | Chief Technology Officer | 263,592 | 26,649,151 $ | Oct 27, 2026 | direct |
| Foundation Capital Management Co. VIII, L.L.C. | 10% Owner | 29,963 | 3,029,259 $ | Jun 24, 2026 | indirect |
| Feldman Andrew D. | CEO, President | 17,938 | 1,813,532 $ | Sep 4, 2026 | both |
| Patel Yagnesh | Chief Accounting Officer | 15,356 | 1,552,492 $ | Sep 28, 2026 | direct |
Holdings as of each person's most recent SEC Form 4 filing — excluding options and RSUs, which are not shares yet. Holdings may have changed between two filings.
Insiders
Insider Transactions
| Date | Person | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Oct 27, 2026 | Lie Sean | Chief Technology Officer | Sell | 100 | 113.92 | 11,392 |
| Oct 27, 2026 | Lie Sean | Chief Technology Officer | Sell | 45,400 | 115.46 | 5,241,884 |
| Oct 27, 2026 | Lie Sean | Chief Technology Officer | Sell | 14,500 | 116.82 | 1,693,890 |
| Oct 27, 2026 | Lie Sean | Chief Technology Officer | Other | 18,000 | 0.00 | – |
| Oct 27, 2026 | Lie Sean | Chief Technology Officer | Other | 32,023 | – | – |
| Oct 5, 2026 | Vishria Eric | Director | Other | 59,126 | 0.00 | – |
| Oct 5, 2026 | Feldman Andrew D. | CEO, President | Other | 159 | 0.00 | – |
| Sep 30, 2026 | Susan Lior | Director | Other | 63,056 | – | – |
| Sep 30, 2026 | Susan Lior | Director | Other | 68,428 | – | – |
| Sep 30, 2026 | Susan Lior | Director | Other | 1,198,489 | – | – |
| Sep 29, 2026 | Komin Robert Patrick Jr. | Chief Financial Officer | Sell | 3,000 | 194.92 | 584,760 |
| Sep 29, 2026 | Komin Robert Patrick Jr. | Chief Financial Officer | Sell | 1,115 | 195.61 | 218,105 |
| Sep 29, 2026 | Komin Robert Patrick Jr. | Chief Financial Officer | Sell | 685 | 197.48 | 135,274 |
| Sep 29, 2026 | Komin Robert Patrick Jr. | Chief Financial Officer | Sell | 870 | 198.70 | 172,869 |
| Sep 29, 2026 | Komin Robert Patrick Jr. | Chief Financial Officer | Sell | 1,130 | 199.80 | 225,774 |
| Sep 29, 2026 | Komin Robert Patrick Jr. | Chief Financial Officer | Sell | 11,200 | 201.22 | 2,253,664 |
| Sep 29, 2026 | Komin Robert Patrick Jr. | Chief Financial Officer | Sell | 400 | 201.96 | 80,784 |
| Sep 29, 2026 | Komin Robert Patrick Jr. | Chief Financial Officer | Sell | 1,600 | 204.26 | 326,816 |
| Sep 29, 2026 | Komin Robert Patrick Jr. | Chief Financial Officer | Sell | 600 | 205.47 | 123,282 |
| Sep 29, 2026 | Komin Robert Patrick Jr. | Chief Financial Officer | Sell | 800 | 203.48 | 162,784 |
| Sep 29, 2026 | Komin Robert Patrick Jr. | Chief Financial Officer | Sell | 700 | 207.83 | 145,481 |
| Sep 29, 2026 | Komin Robert Patrick Jr. | Chief Financial Officer | Sell | 2,197 | 208.98 | 459,129 |
| Sep 29, 2026 | Komin Robert Patrick Jr. | Chief Financial Officer | Sell | 2,802 | 210.02 | 588,476 |
| Sep 29, 2026 | Komin Robert Patrick Jr. | Chief Financial Officer | Sell | 2,771 | 211.03 | 584,764 |
| Sep 29, 2026 | Komin Robert Patrick Jr. | Chief Financial Officer | Sell | 1,830 | 211.79 | 387,576 |
| Sep 29, 2026 | Mallick Dhiraj | Chief Operating Officer | Sell | 68,830 | 194.91 | 13,415,655 |
| Sep 29, 2026 | Mallick Dhiraj | Chief Operating Officer | Sell | 18,703 | 195.56 | 3,657,559 |
| Sep 29, 2026 | Mallick Dhiraj | Chief Operating Officer | Sell | 6,613 | 197.05 | 1,303,092 |
| Sep 29, 2026 | Mallick Dhiraj | Chief Operating Officer | Sell | 5,170 | 197.85 | 1,022,885 |
| Sep 29, 2026 | Mallick Dhiraj | Chief Operating Officer | Sell | 17,000 | 198.96 | 3,382,320 |
| Sep 29, 2026 | Mallick Dhiraj | Chief Operating Officer | Sell | 17,848 | 199.89 | 3,567,637 |
| Sep 29, 2026 | Mallick Dhiraj | Chief Operating Officer | Sell | 22,915 | 200.96 | 4,604,998 |
| Sep 29, 2026 | Mallick Dhiraj | Chief Operating Officer | Sell | 5,637 | 201.91 | 1,138,167 |
| Sep 29, 2026 | Mallick Dhiraj | Chief Operating Officer | Sell | 9,682 | 203.37 | 1,969,028 |
| Sep 29, 2026 | Mallick Dhiraj | Chief Operating Officer | Sell | 27,492 | 204.17 | 5,613,042 |
| Sep 29, 2026 | Mallick Dhiraj | Chief Operating Officer | Sell | 8,729 | 205.17 | 1,790,929 |
| Sep 29, 2026 | Mallick Dhiraj | Chief Operating Officer | Sell | 9,047 | 206.13 | 1,864,858 |
| Sep 29, 2026 | Mallick Dhiraj | Chief Operating Officer | Sell | 9,652 | 207.06 | 1,998,543 |
| Sep 29, 2026 | Mallick Dhiraj | Chief Operating Officer | Sell | 20,714 | 208.38 | 4,316,383 |
| Sep 29, 2026 | Mallick Dhiraj | Chief Operating Officer | Sell | 41,278 | 209.33 | 8,640,724 |
| Sep 29, 2026 | Mallick Dhiraj | Chief Operating Officer | Sell | 46,427 | 210.27 | 9,762,205 |
| Sep 29, 2026 | Mallick Dhiraj | Chief Operating Officer | Sell | 41,391 | 211.29 | 8,745,504 |
| Sep 29, 2026 | Mallick Dhiraj | Chief Operating Officer | Sell | 18,274 | 212.20 | 3,877,743 |
| Sep 29, 2026 | Mallick Dhiraj | Chief Operating Officer | Sell | 598 | 212.93 | 127,332 |
| Sep 29, 2026 | Mallick Dhiraj | Chief Operating Officer | Other | 276,000 | 0.00 | – |
| Sep 28, 2026 | Patel Yagnesh | Chief Accounting Officer | Sell | 1,320 | 204.50 | 269,940 |
| Sep 25, 2026 | Lie Sean | Chief Technology Officer | Sell | 2,200 | 204.50 | 449,900 |
| Sep 25, 2026 | Lie Sean | Chief Technology Officer | Sell | 5,900 | 205.30 | 1,211,270 |
| Sep 25, 2026 | Lie Sean | Chief Technology Officer | Sell | 13,776 | 206.63 | 2,846,535 |
| Sep 25, 2026 | Lie Sean | Chief Technology Officer | Sell | 6,869 | 207.54 | 1,425,592 |
Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character. View all insider transactions →
Data as of: November 11, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.