SEC ownership of Cerebras Systems Inc.

Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0002021728.

Comparable stake leader

FMR LLC

Disclosed value leader

FMR LLC

Comparable rows

5/30

Latest evidence

30 Jun 2026

Top shareholders Insider holders Latest transactions
Public ticker
CBRS on Nasdaq
Parsed ownership sources
13D/G and 3/4/5
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
Largest SEC-reported holder
FMR LLC
Ranking: Comparable ownership first, then disclosed value
Ownership snapshot CIK-linked ownership evidence from parsed SEC filings. 3 signals
Comparable ownership rows
5 of 30
Meaning: Rows with safely comparable ownership %
Latest 13D/G holder
FMR LLC
Source: Latest parsed Schedule 13D/G stake
Latest parsed ownership date
30 Jun 2026
Freshness: Most recent filing date in this holder set
Issuer Names, identifiers, and filing context for this profile. 2 identity fields
Issuer CIK
0002021728
Issuer location
Sunnyvale, CA

Ownership snapshot

Top shareholders of Cerebras Systems Inc. (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader
FMR LLC
Disclosed value leader
FMR LLC
Comparable rows
5/30
Latest evidence
30 Jun 2026
13D/G 3/4/5 Lead comparable stake: 26% 25 rows are not safely comparable across share classes. 13D/G row: FMR LLC Showing 1-8 of 30 holder rows.

Quick read

FMR LLC leads the comparable SEC ownership view at 26%.

5 of 30 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens FMR LLC's linked filing trail.
Comparable ownership Top 5
FMR LLC 26%
Eclipse Continuity GP I, LLC 5.2%
JPMORGAN CHASE & CO 3.3%
Lior Susan 0.14%
Eric Vishria 0.04%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-8 of 30 holder rows
Holder Evidence Ownership % Position 12M Net Δ As of
FMR LLC
13D/G
13D/G
26%
$6,382,086,021
28,878,217 shares
 +$720,447,845 30 Jun 2026
Eclipse Continuity GP I, LLC
13D/G
Lior Susan
13D/G
5.2%
—
11,580,218 shares
 $0 25 Jun 2026
JPMORGAN CHASE & CO
13D/G
13D/G
3.3%
$685,278,347
3,100,807 shares
 -$85,238,816 30 Jun 2026
Lior Susan
3/4/5
Director
3/4/5
0.14%
$3,618,942,473
133,948 shares
 — 25 Jun 2026
Eric Vishria
3/4/5
Director
3/4/5
0.04%
—
99,651 shares
 — 29 Jun 2026
Foundation Capital Leadership Fund II, L.P.
3/4/5
10%+ Owner
3/4/5
—
class O/S missing
—
15,302,343 shares
 — 15 May 2026
Foundation Capital Management Co. LF II, L.L.C.
3/4/5
10%+ Owner
3/4/5
—
class O/S missing
—
15,302,343 shares
 — 15 May 2026
Foundation Capital Management Co. VIII, L.L.C.
3/4/5
10%+ Owner
3/4/5
—
class O/S missing
—
15,302,343 shares
 — 15 May 2026
How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Forms 3/4/5 flow

Insider trading overview

Net insider flow leans to selling over the last 12 months. Net value: -$20,676,584.

Buys
$0
Insiders: 0
Sells
$20,676,584
Insiders: 4
Net
-$20,676,584
Shares: -117,547
Window
Last 12 months
4 rolling buckets
Buy value Sell value
Shares: 0 Shares: 117,547
Window (months) Buy shares Sell shares Buy value Sell value Net value
0-3 0 117,547 $0 $20,676,584 -$20,676,584
3-6 0 0 $0 $0 $0
6-9 0 0 $0 $0 $0
9-12 0 0 $0 $0 $0

Reporting owners

Insider holders from Forms 3/4/5

Showing 1-20 of 27 reporting-owner rows connected to Cerebras Systems Inc.. Open a relationship link for the CIK-to-CIK filing trail.

Rows
27
Largest Forms 3/4/5 holder
Lior Susan
Net 12M change
-$20,676,584
Latest report
30 Jun 2026
Name Relationship Holdings Value Past Year Net Change Change % Valuation Report Date
Lior Susan Director $3,618,942,473 Mixed 25 Jun 2026
Yagnesh Patel Chief Accounting Officer $740,040 -$1,739,513 -70% Mixed 25 Jun 2026
Andrew D. Feldman CEO, President, Director $0 -$3,113,283 -100% Mixed 29 Jun 2026
Sean Lie Chief Technology Officer $0 -$1,706,311 -100% Mixed 25 Jun 2026
Dhiraj Mallick Chief Operating Officer $0 -$14,117,477 -100% Mixed 30 Jun 2026
Benchmark Capital Management Co. IX, L.L.C. 10%+ Owner Mixed 15 May 2026
Steven Vassallo Director Mixed 15 May 2026
Benchmark Capital Partners IX, L.P. 10%+ Owner Mixed 15 May 2026
Benchmark Founders' Fund IX, L.P. 10%+ Owner Mixed 15 May 2026
Benchmark Founders' Fund IX-A, L.P. 10%+ Owner Mixed 15 May 2026
Eric Vishria Director Mixed 29 Jun 2026
Benchmark AI Infrastructure Fund, L.P. 10%+ Owner Mixed 15 May 2026
Benchmark AI Infrastructure Fund B, L.P. 10%+ Owner Mixed 15 May 2026
Benchmark Founders' Fund VIII-B, L.P. 10%+ Owner Mixed 29 Jun 2026
Foundation Capital Management Co. VIII, L.L.C. 10%+ Owner Mixed 15 May 2026
Foundation Capital VIII, L.P. 10%+ Owner Mixed 15 May 2026
Foundation Capital VIII Principals Fund, L.L.C. 10%+ Owner Mixed 15 May 2026
Foundation Capital Management Co. LF II, L.L.C. 10%+ Owner Mixed 15 May 2026
Foundation Capital Leadership Fund II, L.P. 10%+ Owner Mixed 15 May 2026
Benchmark Founders' Fund IX-B, L.P. 10%+ Owner Mixed 15 May 2026

Recent insider transactions for Cerebras Systems Inc.

Showing up to 300 recent insider transactions from the last 12 months.

Insider Symbol Class Transaction % SEC-reported value SEC-reported price Shares Shares owned Date Ownership
Dhiraj Mallick CBRS Class A Common Stock Sale -100% $2,065,100 $206.51 -10,000 0 30 Jun 2026 Direct
Dhiraj Mallick CBRS Class A Common Stock Conversion of derivative security 10,000 10,000 30 Jun 2026 Direct
Dhiraj Mallick CBRS Class B Common Stock Conversion of derivative security -1.45% -10,000 679,696 30 Jun 2026 Direct
Eric Vishria CBRS Class A Common Stock Other 99,651 99,651 29 Jun 2026 See Footnote
Benchmark Capital Management Co. VIII, L.L.C. CBRS Class A Common Stock Other -100% -2,157,802 0 29 Jun 2026 See Footnote
Benchmark Capital Management Co. VIII, L.L.C. CBRS Class A Common Stock Other -100% -2,157,802 0 29 Jun 2026 See Footnote
Benchmark Capital Management Co. VIII, L.L.C. CBRS Class A Common Stock Other -100% -2,157,802 0 29 Jun 2026 See Footnote
Benchmark Capital Management Co. VIII, L.L.C. CBRS Class A Common Stock Other -100% -2,157,802 0 29 Jun 2026 See Footnote
Benchmark Capital Management Co. VIII, L.L.C. CBRS Class A Common Stock Conversion of derivative security 2,157,802 2,157,802 29 Jun 2026 See Footnote
Benchmark Capital Management Co. VIII, L.L.C. CBRS Class A Common Stock Conversion of derivative security 2,157,802 2,157,802 29 Jun 2026 See Footnote
Benchmark Capital Management Co. VIII, L.L.C. CBRS Class A Common Stock Conversion of derivative security 2,157,802 2,157,802 29 Jun 2026 See Footnote
Benchmark Capital Management Co. VIII, L.L.C. CBRS Class A Common Stock Conversion of derivative security 2,157,802 2,157,802 29 Jun 2026 See Footnote
Benchmark Capital Management Co. VIII, L.L.C. CBRS Class B Common Stock Conversion of derivative security -15% -2,157,802 12,227,545 29 Jun 2026 See Footnote
Benchmark Capital Management Co. VIII, L.L.C. CBRS Class B Common Stock Conversion of derivative security -15% -2,157,802 12,227,545 29 Jun 2026 See Footnote
Benchmark Capital Management Co. VIII, L.L.C. CBRS Class B Common Stock Conversion of derivative security -15% -2,157,802 12,227,545 29 Jun 2026 See Footnote
Benchmark Capital Management Co. VIII, L.L.C. CBRS Class B Common Stock Conversion of derivative security -15% -2,157,802 12,227,545 29 Jun 2026 See Footnote
Andrew D. Feldman CBRS Class A Common Stock Other 268 268 29 Jun 2026 By Feldman Bravo Family Trust
Dhiraj Mallick CBRS Class A Common Stock Sale -100% $3,474,587 $173.73 -20,000 0 26 Jun 2026 Direct
Yagnesh Patel CBRS Class A Common Stock Award 15,000 15,000 26 Jun 2026 Direct
Yagnesh Patel CBRS Class A Common Stock Sale -100% $688,099 $174.03 -3,954 0 26 Jun 2026 Direct
Dhiraj Mallick CBRS Class A Common Stock Sale -40% $2,461,593 $184.89 -13,314 20,000 25 Jun 2026 Direct
Dhiraj Mallick CBRS Class A Common Stock Sale -52% $6,116,197 $169.28 -36,131 33,314 25 Jun 2026 Direct
Dhiraj Mallick CBRS Class A Common Stock Conversion of derivative security 69,445 69,445 25 Jun 2026 Direct
Dhiraj Mallick CBRS Class B Common Stock Conversion of derivative security -9.15% -69,445 689,696 25 Jun 2026 Direct
Yagnesh Patel CBRS Class A Common Stock Sale -1.15% $8,711 $189.36 -46 3,954 25 Jun 2026 Direct
Yagnesh Patel CBRS Class A Common Stock Sale -60.3% $1,042,704 $171.53 -6,079 4,000 25 Jun 2026 Direct
Yagnesh Patel CBRS Class A Common Stock Conversion of derivative security 10,079 10,079 25 Jun 2026 Direct
Yagnesh Patel CBRS Class B Common Stock Conversion of derivative security -7.7% -10,079 120,838 25 Jun 2026 Direct
Andrew D. Feldman CBRS Class A Common Stock Sale -100% $3,113,283 $173.06 -17,990 0 25 Jun 2026 Direct
Andrew D. Feldman CBRS Class A Common Stock Conversion of derivative security 17,990 17,990 25 Jun 2026 Direct
Andrew D. Feldman CBRS Class B Common Stock Conversion of derivative security -0.13% -17,990 14,038,631 25 Jun 2026 Direct
Sean Lie CBRS Class A Common Stock Sale -100% $1,706,311 $170.07 -10,033 0 25 Jun 2026 Direct
Sean Lie CBRS Class A Common Stock Conversion of derivative security 10,033 10,033 25 Jun 2026 Direct
Sean Lie CBRS Class B Common Stock Conversion of derivative security -0.12% -10,033 8,199,698 25 Jun 2026 Direct
Lior Susan CBRS Class A Common Stock Other 40,975 40,975 25 Jun 2026 See footnote
Lior Susan CBRS Class A Common Stock Other 92,973 92,973 25 Jun 2026 Direct
Lior Susan CBRS Class A Common Stock Other -15% -2,019,927 11,446,270 25 Jun 2026 See footnote
Lior Susan CBRS Class A Common Stock Conversion of derivative security 13,466,197 13,466,197 11 Jun 2026 See footnotes
Lior Susan CBRS Class B Common Stock Conversion of derivative security -100% -13,466,197 0 11 Jun 2026 See footnotes
Benchmark AI Infrastructure Management Co., L.L.C. CBRS Class B Common Stock Conversion of derivative security 2,527,646 2,527,646 15 May 2026 See Footnote
Benchmark AI Infrastructure Management Co., L.L.C. CBRS Class B Common Stock Conversion of derivative security 2,527,646 2,527,646 15 May 2026 See Footnote
Benchmark AI Infrastructure Management Co., L.L.C. CBRS Class B Common Stock Conversion of derivative security 2,527,646 2,527,646 15 May 2026 See Footnote
Benchmark AI Infrastructure Management Co., L.L.C. CBRS Series H Preferred Stock Conversion of derivative security -100% -2,527,646 0 15 May 2026 See Footnote
Benchmark AI Infrastructure Management Co., L.L.C. CBRS Series H Preferred Stock Conversion of derivative security -100% -2,527,646 0 15 May 2026 See Footnote
Benchmark AI Infrastructure Management Co., L.L.C. CBRS Series H Preferred Stock Conversion of derivative security -100% -2,527,646 0 15 May 2026 See Footnote
Benchmark Capital Management Co. VIII, L.L.C. CBRS Class B Common Stock Conversion of derivative security 15,075,337 14,385,347 15 May 2026 See Footnote
Benchmark Capital Management Co. VIII, L.L.C. CBRS Class B Common Stock Conversion of derivative security 15,075,337 14,385,347 15 May 2026 See Footnote
Benchmark Capital Management Co. VIII, L.L.C. CBRS Class B Common Stock Conversion of derivative security 15,075,337 14,385,347 15 May 2026 See Footnote
Benchmark Capital Management Co. VIII, L.L.C. CBRS Class B Common Stock Conversion of derivative security 15,075,337 14,385,347 15 May 2026 See Footnote
Benchmark Capital Management Co. VIII, L.L.C. CBRS Class B Common Stock Conversion of derivative security 15,075,337 14,385,347 15 May 2026 See Footnote
* marks a reported price that did not pass the local price check.
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