CBRS
Cerebras Systems Inc.
206.80$
+0.2%
vs. previous close
Closing price · As of: Sep 25, 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.
11.9%
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 |
| 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 |
| Atreides Management, LP | 1.31 | 3,110,086 | +0.0 | 06/30/2026 |
| Tiger Technology Management LLC | 1.26 | 2,999,000 | +0.0 | 06/30/2026 |
| Citadel Advisors Llc | 0.53 | 1,248,170 | +0.0 | 06/30/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Fidelity Advisor Growth Opps M | 1.11 | 2,645,800 | +315.2 | 07/31/2026 |
| American Funds IS® Growth 1 | 0.94 | 2,241,975 | +0.0 | 06/30/2026 |
| Capital Group Growth Composite | 0.94 | 2,241,975 | +0.0 | 06/30/2026 |
| Fidelity Select Semiconductors | 0.62 | 1,473,900 | +0.0 | 07/31/2026 |
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 | 661,530 | 136,804,404 $ | Sep 23, 2026 | both |
| Lie Sean | Chief Technology Officer | 345,569 | 71,463,669 $ | Sep 4, 2026 | direct |
| Vassallo Steven | Director | 341,558 | 70,634,194 $ | Jun 24, 2026 | indirect |
| Vishria Eric | Director | 275,854 | 57,046,607 $ | Sep 21, 2026 | indirect |
| Mallick Dhiraj | Chief Operating Officer | 120,000 | 24,816,000 $ | Aug 18, 2026 | direct |
| Komin Robert Patrick Jr. | Chief Financial Officer | 32,500 | 6,721,000 $ | Aug 18, 2026 | direct |
| Foundation Capital Management Co. VIII, L.L.C. | 10% Owner | 29,963 | 6,196,348 $ | Jun 24, 2026 | indirect |
| Feldman Andrew D. | CEO, President | 17,779 | 3,676,697 $ | Sep 4, 2026 | both |
| Patel Yagnesh | Chief Accounting Officer | 16,676 | 3,448,597 $ | Aug 18, 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 |
|---|---|---|---|---|---|---|
| Sep 23, 2026 | Susan Lior | Director | Other | 23,735 | – | – |
| Sep 23, 2026 | Susan Lior | Director | Other | 25,757 | – | – |
| Sep 23, 2026 | Susan Lior | Director | Other | 451,118 | – | – |
| Sep 21, 2026 | Feldman Andrew D. | CEO, President | Other | 120 | 0.00 | – |
| Sep 21, 2026 | Vishria Eric | Director | Other | 44,507 | 0.00 | – |
| Sep 15, 2026 | Susan Lior | Director | Other | 23,734 | – | – |
| Sep 15, 2026 | Susan Lior | Director | Other | 24,463 | – | – |
| Sep 15, 2026 | Susan Lior | Director | Other | 451,115 | – | – |
| Sep 8, 2026 | Vishria Eric | Director | Other | 44,507 | 0.00 | – |
| Sep 8, 2026 | Feldman Andrew D. | CEO, President | Other | 120 | 0.00 | – |
| Sep 4, 2026 | Vassallo Steven | Director | Sell | 7,110 | 211.56 | 1,504,192 |
| Sep 4, 2026 | Vassallo Steven | Director | Sell | 21,773 | 210.37 | 4,580,386 |
| Sep 4, 2026 | Vassallo Steven | Director | Sell | 21,117 | 209.81 | 4,430,558 |
| Sep 4, 2026 | Lie Sean | Chief Technology Officer | Sell | 53,460 | 210.16 | 11,235,154 |
| Sep 4, 2026 | Lie Sean | Chief Technology Officer | Other | 16,038 | 0.00 | – |
| Sep 4, 2026 | Lie Sean | Chief Technology Officer | Other | 46,141 | – | – |
| Sep 4, 2026 | Feldman Andrew D. | CEO, President | Sell | 100 | 216.62 | 21,662 |
| Sep 4, 2026 | Feldman Andrew D. | CEO, President | Sell | 600 | 215.81 | 129,486 |
| Sep 4, 2026 | Feldman Andrew D. | CEO, President | Sell | 1,400 | 214.98 | 300,972 |
| Sep 4, 2026 | Feldman Andrew D. | CEO, President | Sell | 3,897 | 213.95 | 833,763 |
| Sep 4, 2026 | Feldman Andrew D. | CEO, President | Sell | 3,324 | 213.04 | 708,145 |
| Sep 4, 2026 | Feldman Andrew D. | CEO, President | Sell | 7,439 | 211.85 | 1,575,952 |
| Sep 4, 2026 | Feldman Andrew D. | CEO, President | Sell | 6,153 | 210.91 | 1,297,729 |
| Sep 4, 2026 | Feldman Andrew D. | CEO, President | Sell | 6,721 | 209.99 | 1,411,343 |
| Sep 4, 2026 | Feldman Andrew D. | CEO, President | Sell | 1,707 | 208.84 | 356,490 |
| Sep 4, 2026 | Feldman Andrew D. | CEO, President | Sell | 1,500 | 207.80 | 311,700 |
| Sep 4, 2026 | Feldman Andrew D. | CEO, President | Sell | 800 | 206.30 | 165,040 |
| Sep 4, 2026 | Feldman Andrew D. | CEO, President | Sell | 1,200 | 204.06 | 244,872 |
| Sep 4, 2026 | Feldman Andrew D. | CEO, President | Sell | 900 | 202.97 | 182,673 |
| Sep 4, 2026 | Feldman Andrew D. | CEO, President | Sell | 300 | 201.75 | 60,525 |
| Sep 4, 2026 | Feldman Andrew D. | CEO, President | Sell | 1,100 | 199.18 | 219,098 |
| Sep 4, 2026 | Feldman Andrew D. | CEO, President | Other | 37,441 | 0.00 | – |
| Sep 2, 2026 | Susan Lior | Director | Other | 47,470 | – | – |
| Sep 2, 2026 | Susan Lior | Director | Other | 46,455 | – | – |
| Sep 2, 2026 | Susan Lior | Director | Other | 902,236 | – | – |
| Aug 24, 2026 | Vishria Eric | Director | Other | 44,507 | 0.00 | – |
| Aug 24, 2026 | Benchmark Capital Management Co. VIII, L.L.C. | 10% Owner | Other | 963,818 | 0.00 | – |
| Aug 24, 2026 | Benchmark Capital Management Co. VIII, L.L.C. | 10% Owner | Other | 963,818 | 0.00 | – |
| Aug 24, 2026 | Feldman Andrew D. | CEO, President | Other | 120 | 0.00 | – |
| Aug 21, 2026 | Feldman Andrew D. | CEO, President | Sell | 6 | 210.21 | 1,261 |
| Aug 21, 2026 | Feldman Andrew D. | CEO, President | Sell | 4,594 | 208.86 | 959,503 |
| Aug 21, 2026 | Feldman Andrew D. | CEO, President | Sell | 1,400 | 207.28 | 290,192 |
| Aug 21, 2026 | Feldman Andrew D. | CEO, President | Sell | 1,600 | 205.32 | 328,512 |
| Aug 21, 2026 | Feldman Andrew D. | CEO, President | Sell | 4,800 | 204.44 | 981,312 |
| Aug 21, 2026 | Feldman Andrew D. | CEO, President | Sell | 12,092 | 203.37 | 2,459,150 |
| Aug 21, 2026 | Feldman Andrew D. | CEO, President | Sell | 6,699 | 202.28 | 1,355,074 |
| Aug 21, 2026 | Feldman Andrew D. | CEO, President | Sell | 8,832 | 201.12 | 1,776,292 |
| Aug 21, 2026 | Feldman Andrew D. | CEO, President | Sell | 33,575 | 200.13 | 6,719,365 |
| Aug 21, 2026 | Feldman Andrew D. | CEO, President | Sell | 66,237 | 199.33 | 13,203,021 |
| Aug 21, 2026 | Feldman Andrew D. | CEO, President | Sell | 32,864 | 198.18 | 6,512,988 |
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: September 25, 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.