Stocks › CBRS
Cerebras Systems Inc.
CBRS·Nasdaq·
United States·USD
United States·USD$177.10
-4.45 (-2.45%)
Close · Oct 6, 2026 · Close Prices from Tiingo.com
CBRS
Cerebras Systems Inc. · Nasdaq
Nasdaq 100S&P 500
Filings
Default90D1Y5YALL
CBRSS&P 500 (rebased)
Congress BuyCongress SellInsider BuyInsider SellForm 1448-K ResultsLobbying
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Daily closes, adjusted for splits and dividends · Close Prices from Tiingo.comHover a marker, every one is a filing · move across the line for the crosshair
Congressional Trades
Recent trades of CBRS by members of U.S. Congress · 0 on record
No congressional trades in CBRS on record.
Whale Activity
Position changes in CBRS reported for 2026-06-30 by 16 tracked institutional filers
- Increased0
- New7
- Held0
- Decreased0
- Closed0
- No prior filing9
| Filer | Shares | Value | Change |
|---|---|---|---|
| TIGER GLOBAL MANAGEMENT LLC | 3.0M | $662.8M | — |
| VY Capital Management Co. Ltd. | 2.1M | $474.4M | — |
| BlackRock, Inc. | 2.1M | $458.6M | new |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 1.6M | $343.0M | new |
| VANGUARD CAPITAL MANAGEMENT LLC | 1.4M | $304.9M | new |
| CITADEL ADVISORS LLC | 1.2M | $275.8M | new |
| Value Aligned Research Advisors, LLC | 1.1M | $241.9M | — |
| Amova Asset Management Americas, Inc. | 294.5K | $65.1M | — |
| MILLENNIUM MANAGEMENT LLC | 272.9K | $60.3M | new |
| D. E. Shaw & Co., Inc. | 220.3K | $48.7M | new |
| CAPSTONE INVESTMENT ADVISORS, LLC | 202.1K | $44.7M | — |
| Jain Global LLC | 152.9K | $33.8M | — |
KeyVex tracks a curated set of large 13F filers plus the largest positions in recent filings, so this is a sample of institutional activity, not the whole market.
Insider Trading
Net shares bought (+) or sold (−) on the open market by CBRS insiders, by quarter · Form 4
Recent Insider Transactions
358 transactions on record · newest first
| Insider | Type | Shares | Price | Value | Date | |
|---|---|---|---|---|---|---|
| Komin Robert Patrick Jr.Chief Financial Officer | Sale | −870 | $198.70 | $173K | Sep 29, 2026 | Form 4 ↗ |
| Komin Robert Patrick Jr.Chief Financial Officer | Sale | −800 | $203.48 | $163K | Sep 29, 2026 | Form 4 ↗ |
| Komin Robert Patrick Jr.Chief Financial Officer | Sale | −800 | $206.68 | $165K | Sep 29, 2026 | Form 4 ↗ |
| Komin Robert Patrick Jr.Chief Financial Officer | Sale | −700 | $207.83 | $145K | Sep 29, 2026 | Form 4 ↗ |
| Komin Robert Patrick Jr.Chief Financial Officer | Sale | −685 | $197.48 | $135K | Sep 29, 2026 | Form 4 ↗ |
| Komin Robert Patrick Jr.Chief Financial Officer | Sale | −600 | $205.47 | $123K | Sep 29, 2026 | Form 4 ↗ |
| Komin Robert Patrick Jr.Chief Financial Officer | Sale | −400 | $201.96 | $81K | Sep 29, 2026 | Form 4 ↗ |
| Komin Robert Patrick Jr.Chief Financial Officer | Sale | −3,000 | $194.92 | $585K | Sep 29, 2026 | Form 4 ↗ |
| Komin Robert Patrick Jr.Chief Financial Officer | Sale | −2,802 | $210.02 | $588K | Sep 29, 2026 | Form 4 ↗ |
| Komin Robert Patrick Jr.Chief Financial Officer | Sale | −2,771 | $211.03 | $585K | Sep 29, 2026 | Form 4 ↗ |
| Komin Robert Patrick Jr.Chief Financial Officer | Sale | −2,197 | $208.98 | $459K | Sep 29, 2026 | Form 4 ↗ |
| Komin Robert Patrick Jr.Chief Financial Officer | Sale | −1,830 | $211.79 | $388K | Sep 29, 2026 | Form 4 ↗ |
| Komin Robert Patrick Jr.Chief Financial Officer | Sale | −1,600 | $204.26 | $327K | Sep 29, 2026 | Form 4 ↗ |
| Komin Robert Patrick Jr.Chief Financial Officer | Sale | −1,130 | $199.80 | $226K | Sep 29, 2026 | Form 4 ↗ |
| Komin Robert Patrick Jr.Chief Financial Officer | Sale | −11.2K | $201.22 | $2.3M | Sep 29, 2026 | Form 4 ↗ |
| Komin Robert Patrick Jr.Chief Financial Officer | Sale | −1,115 | $195.61 | $218K | Sep 29, 2026 | Form 4 ↗ |
| Mallick DhirajChief Operating Officer | Sale | −9,682 | $203.37 | $2.0M | Sep 29, 2026 | Form 4 ↗ |
| Mallick DhirajChief Operating Officer | Sale | −9,652 | $207.06 | $2.0M | Sep 29, 2026 | Form 4 ↗ |
| Mallick DhirajChief Operating Officer | Sale | −9,047 | $206.13 | $1.9M | Sep 29, 2026 | Form 4 ↗ |
| Mallick DhirajChief Operating Officer | Sale | −8,729 | $205.17 | $1.8M | Sep 29, 2026 | Form 4 ↗ |
Fund Holders
Mutual funds and ETFs holding CBRS · SEC Form N-PORT
| Fund | Shares | Value | % of fund | As of |
|---|---|---|---|---|
| Growth Fund AMERICAN FUNDS INSURANCE SERIES | 2.2M | $495.5M | 0.87% | Jun 30, 2026 |
| VANGUARD TOTAL STOCK MARKET INDEX FUND VANGUARD INDEX FUNDS | 953.2K | $210.7M | 0.01% | Jun 30, 2026 |
| Select Semiconductors Portfolio Fidelity Select Portfolios | 879.4K | $208.4M | 0.41% | May 31, 2026 |
| Growth Fund of America | 856.2K | $202.9M | 0.06% | May 31, 2026 |
| JPMorgan Growth Advantage Fund J.P. Morgan Mutual Fund Investment Trust | 771.5K | $170.5M | 0.76% | Jun 30, 2026 |
| VANGUARD MID-CAP INDEX FUND VANGUARD INDEX FUNDS | 649.6K | $143.6M | 0.06% | Jun 30, 2026 |
| VANGUARD GROWTH INDEX FUND VANGUARD INDEX FUNDS | 623.7K | $137.8M | 0.04% | Jun 30, 2026 |
| Fidelity Contrafund | 580.2K | $128.2M | 0.07% | Jun 30, 2026 |
| JPMorgan Mid Cap Growth Fund JPMorgan Trust II | 573.8K | $126.8M | 0.96% | Jun 30, 2026 |
| Strategic Advisers Fidelity U.S. Total Stock Fund Fidelity Rutland Square Trust II | 463.1K | $109.8M | 0.04% | May 31, 2026 |
Mutual funds and ETFs whose N-PORT filings list CBRS's shares (CUSIP 15675D103), each fund at its latest report since Mar 7, 2026, largest positions first. Bonds, options and short positions are left out.
Activist & Passive Stakes
Schedule 13D / 13G beneficial-ownership filings
- Lior SusanSCHEDULE 13D/A · activist (13D) · 9.6M shares4.3%
Aug 18, 2026 · ↗ - Eclipse SPV XIII, L.P.SCHEDULE 13D/A · activist (13D) · 409.7K shares0.2%
Aug 18, 2026 · ↗ - Eclipse SPV XIII GP, LLCSCHEDULE 13D/A · activist (13D) · 409.7K shares0.2%
Aug 18, 2026 · ↗ - Eclipse SPV II, L.P.SCHEDULE 13D/A · activist (13D) · 4.5M shares2.0%
Aug 18, 2026 · ↗ - Eclipse SPV II GP, LLCSCHEDULE 13D/A · activist (13D) · 4.5M shares2.0%
Aug 18, 2026 · ↗ - Eclipse Ventures Fund I, L.P.SCHEDULE 13D/A · activist (13D) · 3.8M shares1.7%
Aug 18, 2026 · ↗ - Eclipse Ventures GP I, LLCSCHEDULE 13D/A · activist (13D) · 3.8M shares1.7%
Aug 18, 2026 · ↗ - Eclipse Continuity Fund I, L.P.SCHEDULE 13D/A · activist (13D) · 546.6K shares0.2%
Aug 18, 2026 · ↗ - Eclipse Continuity GP I, LLCSCHEDULE 13D/A · activist (13D) · 546.6K shares0.2%
Aug 18, 2026 · ↗ - Gavin BakerSCHEDULE 13G · passive (13G) · 10.5M shares10.7%
Aug 14, 2026 · ↗
Corporate Lobbying
Estimated quarterly lobbying spending reported under the LDA, filings naming Cerebras Systems Inc. as client
No lobbying filings found naming Cerebras Systems Inc. as the client.
Government Contracts
Federal awards to cerebras systems · USAspending
$2.1MAwarded · 1 contract on record
- Department of EnergyPURCHASE OF WAFER SCALE ENGINE, HARDWARE AND SOFTWARE SUPPORT, & REMOTE ACCESS FROM CEREBRAS.$2.1M
Jun 18, 2025 · ↗
U.S. Patents
Recent USPTO applications naming Cerebras Systems Inc.
No USPTO patent applications found for Cerebras Systems Inc..
Annual Financials
From CBRS's 10-K filings · XBRL
No annual XBRL figures on record for CBRS. KeyVex's fundamentals cover about 130 large companies so far.
Stock Splits
Every split and reverse split in the price history
No stock splits in CBRS's price history.
About Cerebras Systems Inc.
From SEC EDGAR company records
Industry (SIC 3674)Semiconductors & Related Devices
SectorTechnology
HeadquartersSUNNYVALE, CA
IncorporatedDE
SEC CIK0002021728 ↗