Jane Street
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Jane Street’s Cerebras Systems CBRS Stock Holding History

Jane Street’s Portfolio CBRS Stock Details CBRS Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q3 		$20M Sell
112,371
-137,751
-55% -$27.7M ﹤0.01% 2095
2026
Q2 		$55.3M Buy
+250,122
New +$58.9M ﹤0.01% 1343

Other funds holding CBRS

Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.32T AUM 44.66% 1-Year Est. Return
Eclipse Ventures
Eclipse Ventures Palo Alto, California $981M AUM 64.81% 1-Year Est. Return
Alpha Wave Global
Alpha Wave Global New York $4.27B AUM 12.79% 1-Year Est. Return
Capital World Investors
Capital World Investors Los Angeles, California $824B AUM 37.44% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.96T AUM 27.49% 1-Year Est. Return
BlackRock
BlackRock New York $6.79T AUM 37.06% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.84T AUM 33.86% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.21T AUM
Washington University
Washington University St Louis, Missouri $524M AUM 34.4% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $765B AUM 28.39% 1-Year Est. Return

Jane Street's CBRS Position: Q3 2026 in Review

Jane Street reduced its Cerebras Systems (CBRS) stake by 55% in Q3 2026, selling an estimated $27.7M and leaving 112,371 shares worth $20M. The position accounts for ﹤0.01% of the portfolio, ranked #2095.

Jane Street first reported a position in CBRS in Q2 2026 and has held it in 2 quarters since. The position peaked at $55.3M in Q2 2026. 417 funds tracked by Wall St. Rank hold CBRS as of Q3 2026.

  • Jane Street held 112,371 shares of Cerebras Systems worth $20M as of Q3 2026.
  • Jane Street sold 137,751 Cerebras Systems shares in Q3 2026, an estimated $27.7M.
  • Cerebras Systems made up ﹤0.01% of Jane Street's portfolio in Q3 2026, its #2095 holding.
  • Jane Street first reported a position in Cerebras Systems in Q2 2026 and has held it in 2 quarters since.
  • Jane Street's Cerebras Systems position peaked at $55.3M in Q2 2026.
  • 417 funds tracked by Wall St. Rank held Cerebras Systems as of Q3 2026.

Based on Jane Street's 13F filing for Q3 2026, filed 12 Nov 2026.