Cerebras Systems Inc. (CBRS)
Every FINRA and SEC series the site collects for Cerebras Systems Inc.: short interest with days to cover, daily short sale volume, fails to deliver and Form 4 insider trades. Listed on Nasdaq.
13.3M
Short interest
settlement 2026-08-31
1.7
Days to cover
-15.8% vs prior
61.8%
Short share of volume
2026-09-17
490
Fails to deliver
settlement 2026-08-31
Tue 22 Jun
Next earnings
estimated; last year 2026-06-23
-$51.2M
Insider flow, 90 days
0 buys, 115 sells
As of 2026-09-17.
Short interest
FINRA, twice a month; the last 12 months shown, all 8 settlements in the JSONAs of 31 August 2026, short interest in CBRS is 13,332,403 shares, up 436,855 shares over the last month. Over the last 8 readings it ranged from 1,899,096 shares (15 May 2026) to 15,842,360 shares (14 August 2026). At the reported average volume of 7.9M shares a day that is 1.7 days to cover.
| Settlement | Shares short | Change | Avg daily volume | Days to cover |
|---|---|---|---|---|
| 2026-08-31 | 13,332,403 | -15.8% | 7,931,659 | 1.68 |
| 2026-08-14 | 15,842,360 | +22.9% | 6,862,883 | 2.31 |
| 2026-07-31 | 12,895,548 | +23.7% | 5,841,152 | 2.21 |
| 2026-07-15 | 10,424,930 | -23.0% | 5,028,145 | 2.07 |
| 2026-06-30 | 13,533,818 | +66.3% | 9,977,601 | 1.36 |
| 2026-06-15 | 8,137,372 | +37.5% | 5,099,050 | 1.60 |
| 2026-05-29 | 5,918,090 | +211.6% | 8,259,984 | 1.00 |
| 2026-05-15 | 1,899,096 | +100.0% | 4,490,406 | 1.00 |
Daily short volume
FINRA Reg SHO, last 60 sessions. JSONAs of 17 September 2026, the short share of CBRS volume is 61.8%, up 6.4 points over the last five sessions. Over the last 52 readings it ranged from 40.9% (7 July 2026) to 74.3% (27 July 2026). The latest reading is 4.3 points above the 30-session average of 57.5%, on 2.5M shares reported.
| Date | Short volume | Total volume | Short share | Exempt |
|---|---|---|---|---|
| 2026-09-17 | 1.6M | 2.5M | 61.8% | 10,476 |
| 2026-09-16 | 1.5M | 2.3M | 66.8% | 56,290 |
| 2026-09-15 | 786K | 1.7M | 45.6% | 13,026 |
| 2026-09-14 | 1.5M | 2.6M | 55.7% | 29,532 |
| 2026-09-11 | 706K | 1.4M | 50.8% | 21,419 |
| 2026-09-10 | 857K | 1.5M | 55.4% | 12,430 |
| 2026-09-09 | 1.2M | 2.1M | 54.1% | 44,005 |
| 2026-09-08 | 2.0M | 3.5M | 55.6% | 46,201 |
| 2026-09-04 | 3.6M | 6.6M | 54.0% | 230,344 |
| 2026-09-03 | 1.3M | 2.5M | 51.9% | 130,545 |
| 2026-09-02 | 1.7M | 3.3M | 52.6% | 114,945 |
| 2026-09-01 | 1.6M | 3.2M | 51.7% | 2,658 |
| 2026-08-31 | 1.3M | 2.2M | 58.0% | 39,595 |
| 2026-08-28 | 1.5M | 2.7M | 55.7% | 17,710 |
| 2026-08-27 | 1.5M | 2.8M | 52.1% | 11,665 |
| 2026-08-26 | 1.6M | 3.1M | 52.1% | 29,808 |
| 2026-08-25 | 1.6M | 3.2M | 48.9% | 135,381 |
| 2026-08-24 | 1.1M | 2.5M | 43.6% | 4,775 |
| 2026-08-21 | 2.2M | 3.4M | 64.9% | 98,884 |
| 2026-08-20 | 1.7M | 2.8M | 59.3% | 16,465 |
| 2026-08-19 | 2.7M | 4.7M | 58.7% | 416,115 |
| 2026-08-18 | 4.1M | 6.2M | 66.1% | 889,658 |
| 2026-08-17 | 3.1M | 6.5M | 47.2% | 380,547 |
| 2026-08-14 | 3.8M | 5.5M | 68.6% | 861,055 |
| 2026-08-13 | 4.8M | 7.5M | 64.8% | 392,311 |
| 2026-08-12 | 2.5M | 3.8M | 66.2% | 13,331 |
| 2026-08-11 | 1.2M | 1.7M | 68.2% | 25,184 |
| 2026-08-10 | 1.2M | 1.8M | 67.3% | 270 |
| 2026-08-07 | 1.3M | 2.1M | 63.5% | 1,157 |
| 2026-08-06 | 970K | 1.5M | 65.0% | 1,408 |
Fails to deliver
SEC, by settlement date. JSONAs of 31 August 2026, the fails-to-deliver balance in CBRS is 490 shares, down 110 shares over the last settlement date. Over the last 52 readings it ranged from 4 shares (29 July 2026) to 682,119 shares (19 May 2026). The latest reading sits at the bottom of that range.
| Settlement | Shares failed | Price | Value |
|---|---|---|---|
| 2026-08-31 | 490 | $179.08 | $88K |
| 2026-08-26 | 600 | $183.92 | $110K |
| 2026-08-25 | 5,671 | $185.43 | $1.1M |
| 2026-08-24 | 44,654 | $196.13 | $8.8M |
| 2026-08-21 | 107,094 | $209.85 | $22.5M |
| 2026-08-19 | 329,536 | $220.01 | $72.5M |
| 2026-08-18 | 130,038 | $251.98 | $32.8M |
| 2026-08-17 | 461,554 | $218.98 | $101.1M |
| 2026-08-14 | 12,044 | $231.01 | $2.8M |
| 2026-08-12 | 12,580 | $234.76 | $3.0M |
| 2026-08-11 | 666 | $230.01 | $153K |
| 2026-08-10 | 42,676 | $226.73 | $9.7M |
| 2026-08-06 | 710 | $214.30 | $152K |
| 2026-08-04 | 37 | $219.97 | $8K |
| 2026-07-31 | 84 | $203.07 | $17K |
| 2026-07-30 | 4,263 | $169.39 | $722K |
| 2026-07-29 | 4 | $192.72 | $771 |
| 2026-07-27 | 69,042 | $199.12 | $13.7M |
| 2026-07-24 | 40,674 | $220.00 | $8.9M |
| 2026-07-23 | 39,005 | $209.80 | $8.2M |
| 2026-07-22 | 1,200 | $208.57 | $250K |
| 2026-07-20 | 20,281 | $172.86 | $3.5M |
| 2026-07-17 | 32,300 | $180.46 | $5.8M |
| 2026-07-16 | 113 | $184.01 | $21K |
| 2026-07-14 | 3,066 | $204.62 | $627K |
| 2026-07-13 | 7,043 | $215.08 | $1.5M |
| 2026-07-08 | 14,023 | $176.61 | $2.5M |
| 2026-07-06 | 190,766 | $204.86 | $39.1M |
| 2026-07-02 | 331,991 | $221.27 | $73.5M |
| 2026-07-01 | 430,533 | $221.00 | $95.1M |
Insider trades
SEC Form 4, newest first, 50 of 100 shown. JSONInsiders at CBRS reported 115 open-market sells worth $51.2M in the last 90 days and no open-market buys. Sells alone are a weak signal; insiders sell for tax, diversification and estate reasons all the time. Latest filing: Feldman Andrew D. (CEO, President) on 2026-09-08.
| Date | Insider | Title | Type | Shares | Price | Value | Owned after |
|---|---|---|---|---|---|---|---|
| 2026-09-08 | Feldman Andrew D. | CEO, President | J | 120 | $0.00 | $0 | 806 |
| 2026-09-04 | Vassallo Steven | n/a | Sell | 7K | $211.56 | $1.5M | 172K |
| 2026-09-04 | Vassallo Steven | n/a | Sell | 22K | $210.37 | $4.6M | 179K |
| 2026-09-04 | Vassallo Steven | n/a | Sell | 21K | $209.81 | $4.4M | 201K |
| 2026-09-04 | Feldman Andrew D. | CEO, President | Sell | 100 | $216.62 | $22K | 17K |
| 2026-09-04 | Feldman Andrew D. | CEO, President | Sell | 600 | $215.81 | $129K | 17K |
| 2026-09-04 | Feldman Andrew D. | CEO, President | Sell | 1K | $214.98 | $301K | 18K |
| 2026-09-04 | Feldman Andrew D. | CEO, President | Sell | 4K | $213.95 | $834K | 19K |
| 2026-09-04 | Feldman Andrew D. | CEO, President | Sell | 3K | $213.04 | $708K | 23K |
| 2026-09-04 | Feldman Andrew D. | CEO, President | Sell | 7K | $211.85 | $1.6M | 26K |
| 2026-09-04 | Feldman Andrew D. | CEO, President | Sell | 6K | $210.91 | $1.3M | 34K |
| 2026-09-04 | Feldman Andrew D. | CEO, President | Sell | 7K | $209.99 | $1.4M | 40K |
| 2026-09-04 | Feldman Andrew D. | CEO, President | Sell | 2K | $208.84 | $356K | 46K |
| 2026-09-04 | Feldman Andrew D. | CEO, President | Sell | 2K | $207.80 | $312K | 48K |
| 2026-09-04 | Feldman Andrew D. | CEO, President | Sell | 800 | $206.30 | $165K | 50K |
| 2026-09-04 | Feldman Andrew D. | CEO, President | Sell | 1K | $204.06 | $245K | 50K |
| 2026-09-04 | Feldman Andrew D. | CEO, President | Sell | 900 | $202.97 | $183K | 52K |
| 2026-09-04 | Feldman Andrew D. | CEO, President | Sell | 300 | $200.79 | $60K | 53K |
| 2026-09-04 | Feldman Andrew D. | CEO, President | Sell | 1K | $199.18 | $219K | 53K |
| 2026-09-04 | Feldman Andrew D. | CEO, President | Conversion | 37K | $0.00 | $0 | 54K |
| 2026-08-24 | Vishria Eric | n/a | J | 45K | $0.00 | $0 | 187K |
| 2026-08-24 | Benchmark Capital Management Co. VIII, L.L.C. | n/a | J | 964K | $0.00 | $0 | 0 |
| 2026-08-24 | Benchmark Capital Management Co. VIII, L.L.C. | n/a | Conversion | 964K | $0.00 | $0 | 964K |
| 2026-08-18 | Komin Robert Patrick Jr. | Chief Financial Officer | Conversion | 33K | $0.00 | $0 | 33K |
| 2026-08-17 | Feldman Andrew D. | CEO, President | J | 298 | $0.00 | $0 | 566 |
| 2026-08-17 | Vishria Eric | n/a | J | 111K | $0.00 | $0 | 142K |
| 2026-08-17 | Vishria Eric | n/a | Sell | 6K | $250.30 | $1.4M | 31K |
| 2026-08-17 | Vishria Eric | n/a | Sell | 2K | $230.10 | $377K | 37K |
| 2026-08-17 | Vishria Eric | n/a | Sell | 9K | $229.56 | $2.1M | 39K |
| 2026-08-17 | Vishria Eric | n/a | Sell | 41K | $228.34 | $9.4M | 48K |
| 2026-08-17 | Vishria Eric | n/a | Sell | 300 | $227.97 | $68K | 89K |
| 2026-08-17 | Vishria Eric | n/a | Sell | 10K | $224.20 | $2.2M | 90K |
| 2026-08-17 | Benchmark Capital Management Co. VIII, L.L.C. | n/a | J | 2.4M | $0.00 | $0 | 0 |
| 2026-08-17 | Benchmark Capital Management Co. VIII, L.L.C. | n/a | Conversion | 2.4M | $0.00 | $0 | 2.4M |
| 2026-06-26 | Patel Yagnesh | Chief Accounting Officer | Grant | 15K | $0.00 | $0 | 15K |
| 2026-06-26 | Patel Yagnesh | Chief Accounting Officer | Sell | 354 | $182.05 | $64K | 0 |
| 2026-06-26 | Patel Yagnesh | Chief Accounting Officer | Sell | 700 | $180.83 | $127K | 354 |
| 2026-06-26 | Patel Yagnesh | Chief Accounting Officer | Sell | 300 | $179.56 | $54K | 1K |
| 2026-06-26 | Patel Yagnesh | Chief Accounting Officer | Sell | 500 | $173.36 | $87K | 2K |
| 2026-06-26 | Patel Yagnesh | Chief Accounting Officer | Sell | 400 | $171.99 | $69K | 2K |
| 2026-06-26 | Patel Yagnesh | Chief Accounting Officer | Sell | 100 | $164.79 | $16K | 3K |
| 2026-06-26 | Patel Yagnesh | Chief Accounting Officer | Sell | 200 | $168.45 | $34K | 3K |
| 2026-06-26 | Mallick Dhiraj | Chief Operating Officer | Sell | 800 | $181.62 | $145K | 0 |
| 2026-06-26 | Mallick Dhiraj | Chief Operating Officer | Sell | 1K | $180.50 | $217K | 800 |
| 2026-06-26 | Mallick Dhiraj | Chief Operating Officer | Sell | 1K | $179.67 | $198K | 2K |
| 2026-06-26 | Mallick Dhiraj | Chief Operating Officer | Sell | 200 | $175.94 | $35K | 4K |
| 2026-06-26 | Mallick Dhiraj | Chief Operating Officer | Sell | 600 | $174.70 | $105K | 4K |
| 2026-06-26 | Mallick Dhiraj | Chief Operating Officer | Sell | 12K | $173.65 | $2.0M | 4K |
| 2026-06-26 | Mallick Dhiraj | Chief Operating Officer | Sell | 839 | $172.78 | $145K | 16K |
| 2026-06-26 | Mallick Dhiraj | Chief Operating Officer | Sell | 100 | $169.76 | $17K | 17K |
Form 4 filings are due within two business days of the trade. Insiders sell for many reasons that say nothing about the company; open-market buys are the rarer, stronger signal.
Planned sales (Form 144)
Newest first. JSON9 Form 144 notices on file for CBRS worth $261.3M at the prices reported; 9 in the last 90 days worth $261.3M. Latest: ANDREW FELDMAN filed on 2026-09-04 to sell 37,441 shares ($7.1M) from 2026-09-04.
| Filed | Seller | Shares | Market value | Of outstanding | Sale from | Broker |
|---|---|---|---|---|---|---|
| 2026-09-04 | ANDREW FELDMANDirector, Officer | 37K | $7.1M | 0.033% | 2026-09-04 | Morgan Stanley Smith Barney LLC Executive Financial Services |
| 2026-09-04 | SEAN LIEOfficer | 53K | $10.2M | 0.048% | 2026-09-04 | Morgan Stanley Smith Barney LLC Executive Financial Services |
| 2026-08-21 | SEAN LIEOfficer, 10% Stockholder | 16K | $3.4M | 0.015% | 2026-08-21 | Morgan Stanley Smith Barney LLC Executive Financial Services |
| 2026-08-21 | ANDREW FELDMANDirector, Officer | 238K | $49.9M | 0.212% | 2026-08-21 | Morgan Stanley Smith Barney LLC Executive Financial Services |
| 2026-08-20 | SEAN LIEOfficer | 710K | $153.2M | 0.633% | 2026-08-20 | Morgan Stanley Smith Barney LLC Executive Financial Services |
| 2026-08-18 | Andrew D. FeldmanOfficer, Director | 27K | $6.7M | 0.024% | 2026-08-18 | Morgan Stanley Smith Barney LLC Executive Financial Services |
| 2026-08-18 | Sean LieOfficer | 21K | $5.4M | 0.019% | 2026-08-18 | Morgan Stanley Smith Barney LLC Executive Financial Services |
| 2026-08-18 | Dhiraj MallickOfficer | 39K | $9.8M | 0.035% | 2026-08-18 | Morgan Stanley Smith Barney LLC Executive Financial Services |
| 2026-08-17 | Vishria Eric10% Stockholder | 68K | $15.7M | 0.061% | 2026-08-17 | Raymond James & Associates |
Large holders (13D and 13G)
One row per reporting person, newest filing first. JSON42 holders above 5% have filed on CBRS, 9 on Schedule 13D (active intent). The largest reported stake is Abigail P. Johnson at 25.7% of the class (28,878,217 shares), filed 2026-07-08 for an event on 2026-06-30.
| Filed | Form | Holder | Shares | Of class | Event |
|---|---|---|---|---|---|
| 2026-08-18 | 13D/Ano. 2 | Lior Susanindividual | 9.6M | 4.3% | 2026-08-14 |
| 2026-08-18 | 13D/Ano. 2 | Eclipse SPV II, L.P.partnership | 4.5M | 2.0% | 2026-08-14 |
| 2026-08-18 | 13D/Ano. 2 | Eclipse SPV II GP, LLCother entity | 4.5M | 2.0% | 2026-08-14 |
| 2026-08-18 | 13D/Ano. 2 | Eclipse Ventures GP I, LLCother entity | 3.8M | 1.7% | 2026-08-14 |
| 2026-08-18 | 13D/Ano. 2 | Eclipse Ventures Fund I, L.P.partnership | 3.8M | 1.7% | 2026-08-14 |
| 2026-08-18 | 13D/Ano. 2 | Eclipse Continuity Fund I, L.P.partnership | 547K | 0.2% | 2026-08-14 |
| 2026-08-18 | 13D/Ano. 2 | Eclipse SPV XIII GP, LLCother entity | 410K | 0.2% | 2026-08-14 |
| 2026-08-18 | 13D/Ano. 2 | Eclipse SPV XIII, L.P.partnership | 410K | 0.2% | 2026-08-14 |
| 2026-08-18 | 13D/Ano. 2 | Eclipse Continuity GP I, LLCother entity | 547K | 0.2% | 2026-08-14 |
| 2026-08-14 | 13G | Foundation Capital Management Co. VIII, L.L.C.other entity | 14.2M | 12.2% | 2026-06-30 |
| 2026-08-14 | 13G | Foundation Capital VIII, L.P.partnership | 13.9M | 12.0% | 2026-06-30 |
| 2026-08-14 | 13G | Gavin Bakerparent holding company, individual | 10.5M | 10.7% | n/a |
| 2026-08-14 | 13G | Atreides Management, LPinvestment adviser, partnership | 10.5M | 10.7% | n/a |
| 2026-08-14 | 13G | Atreides Management, LLCparent holding company | 10.5M | 10.7% | n/a |
| 2026-08-14 | 13G | Benchmark Capital Management Co. VIII, L.L.C.other entity | 12.2M | 9.8% | 2026-06-30 |
| 2026-08-14 | 13G | Andrew Feldmanindividual | 10.4M | 9.2% | 2026-06-30 |
| 2026-08-14 | 13G | Benchmark Capital Partners VIII, L.P.partnership | 9.3M | 7.7% | 2026-06-30 |
| 2026-08-14 | 13G | COATUE MANAGEMENT LLCinvestment adviser, other entity | 7.0M | 7.1% | 2026-06-30 |
| 2026-08-14 | 13G | Philippe Laffontparent holding company, individual | 7.0M | 7.1% | 2026-06-30 |
| 2026-08-14 | 13G | Gerstner Bradley Thomasindividual, parent holding company | 7.2M | 6.2% | 2026-06-30 |
| 2026-08-14 | 13G | Coatue Private II GP LLCother entity | 6.1M | 6.2% | 2026-06-30 |
| 2026-08-14 | 13G | Coatue Private Fund II LPpartnership | 6.1M | 6.2% | 2026-06-30 |
| 2026-08-14 | 13G | Altimeter Capital Management, LPinvestment adviser, partnership | 7.2M | 6.2% | 2026-06-30 |
| 2026-08-14 | 13G | Altimeter Capital Management General Partner, LLCother entity | 7.2M | 6.2% | 2026-06-30 |
| 2026-08-14 | 13G | Benchmark AI Infrastructure Management Co., L.L.C.other entity | 2.5M | 2.2% | 2026-06-30 |
| 2026-08-14 | 13G | Benchmark Founders' Fund VIII-B, L.P.partnership | 1.4M | 1.3% | 2026-06-30 |
| 2026-08-14 | 13G | Benchmark Founders' Fund VIII, L.P.partnership | 1.5M | 1.3% | 2026-06-30 |
| 2026-08-14 | 13G | Benchmark AI Infrastructure Fund, L.P.partnership | 1.4M | 1.3% | 2026-06-30 |
| 2026-08-14 | 13G | Foundation Capital Management Co. LF II, L.L.C.other entity | 1.1M | 1.0% | 2026-06-30 |
| 2026-08-14 | 13G | Foundation Capital Leadership Fund II, L.P.partnership | 1.1M | 1.0% | 2026-06-30 |
| 2026-08-14 | 13G | Benchmark AI Infrastructure Fund B, L.P.partnership | 1.1M | 1.0% | 2026-06-30 |
| 2026-08-14 | 13G | Benchmark Capital Management Co. IX, L.L.C.other entity | 690K | 0.6% | 2026-06-30 |
| 2026-08-14 | 13G | Benchmark Capital Partners IX, L.P.partnership | 488K | 0.4% | 2026-06-30 |
| 2026-08-14 | 13G | Foundation Capital VIII Principals Fund, L.L.C.other entity | 300K | 0.3% | 2026-06-30 |
| 2026-08-14 | 13G | Benchmark Founders' Fund IX, L.P.partnership | 147K | 0.1% | 2026-06-30 |
| 2026-08-14 | 13G | Benchmark Founders' Fund IX-B, L.P.partnership | 45K | 0.0% | 2026-06-30 |
| 2026-08-14 | 13G | Benchmark Founders' Fund IX-A, L.P.partnership | 10K | 0.0% | 2026-06-30 |
| 2026-08-13 | 13G | Jane Street Capital, LLCbroker-dealer | 5.2M | 5.1% | 2026-06-30 |
| 2026-08-13 | 13G | JANE STREET GROUP, LLCparent holding company | 5.2M | 5.1% | 2026-06-30 |
| 2026-07-22 | 13G/Ano. 1 | JPMORGAN CHASE & CO.parent holding company | 3.1M | 3.3% | 2026-06-30 |
| 2026-07-08 | 13G/Ano. 1 | Abigail P. Johnsonindividual | 28.9M | 25.7% | 2026-06-30 |
| 2026-07-08 | 13G/Ano. 1 | FMR LLCparent holding company | 28.9M | 25.7% | 2026-06-30 |
| 2026-06-26 | 13D/Ano. 1 | Lior Susanindividual | 11.6M | 5.2% | 2026-06-25 |
| 2026-06-26 | 13D/Ano. 1 | Eclipse SPV II, L.P.partnership | 5.6M | 2.5% | 2026-06-25 |
| 2026-06-26 | 13D/Ano. 1 | Eclipse SPV II GP, LLCother entity | 5.6M | 2.5% | 2026-06-25 |
| 2026-06-26 | 13D/Ano. 1 | Eclipse Ventures Fund I, L.P.partnership | 4.7M | 2.1% | 2026-06-25 |
| 2026-06-26 | 13D/Ano. 1 | Eclipse Ventures GP I, LLCother entity | 4.7M | 2.1% | 2026-06-25 |
| 2026-06-26 | 13D/Ano. 1 | Eclipse Continuity GP I, LLCother entity | 680K | 0.3% | 2026-06-25 |
| 2026-06-26 | 13D/Ano. 1 | Eclipse Continuity Fund I, L.P.partnership | 680K | 0.3% | 2026-06-25 |
| 2026-06-26 | 13D/Ano. 1 | Eclipse SPV XIII, L.P.partnership | 510K | 0.2% | 2026-06-25 |
13F holders
Tracked managers holding CBRS at their latest 13F. JSON8 of the 30 tracked managers held CBRS at their latest 13F, $3.24B in total at quarter-end prices. Coatue Management is the largest at $1.55B (3.2% of its portfolio) as of 2026-06-30.
| Fund | Quarter | Shares | Value | Of portfolio | Change in shares |
|---|---|---|---|---|---|
| Coatue Management | 2026-06-30 | 7.0M | $1.55B | 3.19% | new or n/a |
| Citadel Advisors | 2026-06-30 | 3.1M | $688.3M | 0.08% | new or n/a |
| Tiger Global Management | 2026-06-30 | 3.0M | $662.8M | 2.76% | new or n/a |
| ARK Investment Management | 2026-06-30 | 765K | $169.0M | 1.10% | new or n/a |
| Millennium Management | 2026-06-30 | 280K | $61.8M | 0.02% | new or n/a |
| D. E. Shaw & Co. | 2026-06-30 | 220K | $48.7M | 0.02% | new or n/a |
| Soros Fund Management | 2026-06-30 | 150K | $33.1M | 0.41% | new or n/a |
| Point72 Asset Management | 2026-06-30 | 130K | $28.7M | 0.03% | new or n/a |
Only the 30 tracked managers on the funds hub; a 13F reports long positions in US listed stock at quarter end, 45 days late, and says nothing about shorts or positions sold since.
What this page is
Cerebras Systems Inc. in the regulatory record
Regulators publish company data in separate files that never sit next to each other: FINRA's twice-monthly short interest, its daily short sale volume, the SEC's fails-to-deliver counts, and each insider's Form 4. A company page pulls every series the site collects for one ticker onto one URL, keyed by the SEC's own ticker list, so the short position, the daily flow, the settlement fails and what insiders are doing can be read together.
Each section has its own history table, a summary sentence built from the rows (last value, change, range with dates) and its own JSON and CSV links. Nothing on the page is written by a model; the sentences change only when the data does. A page exists only for companies with data in at least two series, and every section says when its source last updated.
This page follows Cerebras Systems Inc. (CBRS), SEC CIK 2021728, listed on Nasdaq. The cross-market tables live on the short interest and insider transactions hubs.
Source and method
- Short interest
- FINRA consolidated short interestTwice a month, about eight business days after settlement. Latest 2026-08-31.JSON and CSV
- Daily short volume
- FINRA Reg SHO daily filesEvery trading day, loaded the following morning. Latest 2026-09-17.JSON and CSV
- Fails to deliver
- SEC fails-to-deliver dataTwice a month, a few weeks after the half month ends. Latest 2026-08-31.JSON and CSV
- Planned sales
- SEC EDGAR Form 144EDGAR read every 30 minutes; a notice is filed on or before the sell order. Latest 2026-09-04.JSON and CSV
- Large holders
- SEC EDGAR Schedule 13D and 13GEDGAR read every 30 minutes; 13D within five business days of crossing 5%, 13G on the passive schedule. Latest 2026-08-18.JSON and CSV
- 13F holders
- SEC EDGAR Form 13F-HRQuarterly, filed within 45 days of quarter end; 30 tracked managers. Latest 2026-06-30.JSON and CSV
- Earnings dates
- SEC EDGAR 8-K Item 2.02 (full-text search)EDGAR full-text search read twice a day; the estimate is last year's date plus 52 weeks. Latest 2026-08-12.JSON and CSV
- Insider trades
- SEC EDGAR Form 4EDGAR read every 30 minutes; filings are due two business days after the trade. Latest 2026-09-08.JSON and CSV
- Company record
- EDGAR filing index for CIK 2021728Ticker, name and exchange from the SEC's company list, refreshed weekly.
- Rate limits
- 30 requests a minute without a key, 120 a minute with a key from a free account.
Data checks. Every dataset is checked against its source once a day. This dataset passed the last run, 18 Sep 05:40 UTC.
How to read it
- Read the position against the flow: rising short interest with a high daily short share is new shorting; rising short interest with a normal short share is old shorts holding on.
- Insider buys next to a crowded short are the combination that has historically preceded squeezes; insider sells next to a crowded short are common and mean little.
- Fails to deliver matter relative to the float, not in absolute shares; a million failed shares in a mega cap is noise.
Analysis of what the data shows, not advice. XOOMAR does not recommend buying, selling or holding anything.
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Datasets
Frequently Asked Questions
How much of CBRS is sold short?
What is CBRS's daily short volume?
Does CBRS have fails to deliver?
Are CBRS insiders buying or selling?
Have CBRS insiders filed to sell?
Who owns more than 5% of CBRS?
Which funds hold CBRS?
Data on this page is provided for informational purposes only and is not financial advice. See our editorial policy.