Clear Street Group Inc. 13F Portfolio

CIK 1881567 Filing since Q3 2025 Q2 2026 filed Aug 4, 2026
Holdings as of Jun 30, 2026, from the 13F filed Aug 4, 2026.

Portfolio Snapshot

754 positions · Q2 2026

Clear Street Group Inc. reported 754 positions worth $29.85B for the quarter ended Jun 30, 2026, up 70.6% on the prior quarter. It opened 136 new positions, added to 273, trimmed 293 and exited 36. Its largest holding is Sandisk Corp at 22.7% of the portfolio.

Portfolio Value
$29.85B
+70.6% QoQ · — YoY
Positions
754
136 new · 36 sold out
Top 10 Concentration
70.7%
of portfolio value
Largest Position
SNDK 22.7%
Sandisk Corp
Net Buying
+$5.50B
$7.72B bought · $2.22B sold
Turnover
9.4%
of the portfolio traded
Top Sector
Technology
87.3% of value
Track Record
4
quarters on file since Q3 2025

Portfolio Value & Positions

Value Positions

Reported 13F market value at each quarter end. A change mixes trading with price moves in the positions held.

Sector Allocation

12 sectors
87.28%
Technology
Technology87.28%
Consumer Discretionary3.85%
Industrials3.16%
Financial Services2.59%
Communication Services0.921%
Healthcare0.879%
Basic Materials0.671%
Utilities0.369%
Other0.194%
Consumer Staples0.064%
Energy0.023%
Real Estate<0.01%

Quarterly Buying & Selling

Bought Sold

Dollar value of shares bought and sold each quarter, at that quarter’s price. It counts trading only, not price changes.

Position Changes

How many positions were opened, added to, trimmed or closed each quarter.

Sector Allocation Over Time

Share of reported value in each sector at every quarter end.

TechnologyConsumer DiscretionaryIndustrialsFinancial ServicesCommunication ServicesHealthcareBasic MaterialsUtilitiesOtherConsumer StaplesEnergyReal Estate

Largest Buys

Q2 2026
Holding Change Change % Trade Value Weight
SNDK Sandisk Corp +1.76M +143.6% $4.00B 22.72%
WDC Western Digital Corp +577.1K +239.7% $368.63M 1.75%
SPCX Space Exploration Technologies Corp +1.27M – $217.00M 0.727%
AAOI Applied Optoelectronics, Inc. +1.23M – $182.41M 0.611%
COHR Coherent Corp. +444.5K +150.4% $175.34M 0.978%
NBIS Nebius Group N.V. +560.1K +18.3% $154.67M 3.35%
MRVL Marvell Technology, Inc. +516.7K – $153.92M 0.516%
LITE Lumentum Holdings Inc. +171.5K +41.4% $147.17M 1.68%
GLW Corning Inc +508.3K +286.5% $129.84M 0.587%
CRDO Credo Technology Group Holding Ltd +376.3K +62.4% $102.33M 0.892%

Largest Sells

Q2 2026
Holding Change Change % Trade Value Weight
AMD Advanced Micro Devices Inc -2.04M -37.1% $1.18B 6.74%
NVDA Nvidia Corp -1.12M -3.5% $223.86M 20.58%
UNH Unitedhealth Group Inc -385.5K -64.1% $160.23M 0.301%
BRK-B Berkshire Hathaway Inc -192.5K -100.0% $92.25M Exited
ASTS AST SpaceMobile, Inc. -974.2K -28.7% $86.56M 0.719%
CRWV CoreWeave, Inc. -863.5K -23.3% $85.95M 0.949%
PEP Pepsico Inc -300.0K -100.0% $46.59M Exited
COIN Coinbase Global, Inc. -240.2K -9.4% $35.12M 1.13%
IONQ IonQ, Inc. -585.8K -32.0% $31.20M 0.222%
BMNR Bitmine Immersion Technologies, Inc. -1.94M -13.3% $25.82M 0.566%

New Positions

Q2 2026
Holding Shares Trade Value Weight
SPCX Space Exploration Technologies Corp +1.27M $217.00M 0.727%
AAOI Applied Optoelectronics, Inc. +1.23M $182.41M 0.611%
MRVL Marvell Technology, Inc. +516.7K $153.92M 0.516%
CBRS Cerebras Systems Inc. +442.7K $97.83M 0.328%
AXTI Axt Inc +1.31M $94.35M 0.316%
IBM International Business Machines Corp +326.5K $91.83M 0.308%
STX Seagate Technology Holdings plc +73.1K $70.56M 0.236%
AMAT Applied Materials Inc +91.5K $66.36M 0.222%
MU Micron Technology Inc +42.5K $49.02M 0.164%
CIEN Ciena Corp +60.7K $29.78M 0.1%

Closed Positions

Q2 2026
Holding Shares Sold Trade Value Prior Weight
BRK-B Berkshire Hathaway Inc -192.5K $92.25M 0.527%
PEP Pepsico Inc -300.0K $46.59M 0.266%
CSCO Cisco Systems, Inc. -196.3K $15.52M 0.089%
SRPT Sarepta Therapeutics, Inc. -361.4K $7.86M 0.045%
MDB MongoDB, Inc. -25.7K $6.29M 0.036%
DDOG Datadog, Inc. -40.8K $4.82M 0.028%
ENPH Enphase Energy, Inc. -112.0K $4.23M 0.024%
SNPS Synopsys Inc -8,232 $3.81M 0.022%
MMYT MakeMyTrip Ltd -60.0K $2.24M 0.013%
CNTN Canton Strategic Holdings, Inc. -652.2K $2.13M 0.012%
Holdings · Q2 2026

754 Positions

As ofJun 30, 2026
Value$29.85B
Top 1070.7%
Avg position$39.59M
# Activity
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Showing 1–15 of 754 positions 13F filings on SEC EDGAR

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About Clear Street Group Inc.’s 13F Portfolio

What are Clear Street Group Inc.’s largest holdings?

As of its Q2 2026 13F filing, Clear Street Group Inc.’s five largest positions were Sandisk Corp (SNDK) at 22.7%, Nvidia Corp (NVDA) at 20.6%, Advanced Micro Devices Inc (AMD) at 6.7%, Apple Inc. (AAPL) at 3.6%, Microsoft Corp (MSFT) at 3.6% of the reported portfolio.

How much is Clear Street Group Inc.’s portfolio worth?

Clear Street Group Inc. reported a 13F portfolio worth $29.85B across 754 positions for Q2 2026. That is up 70.6% from the previous quarter.

What did Clear Street Group Inc. buy in Q2 2026?

Its largest purchases by value were Sandisk Corp ($4.00B), Western Digital Corp ($368.63M), Space Exploration Technologies Corp ($217.00M). It opened 136 new positions.

What did Clear Street Group Inc. sell in Q2 2026?

Its largest sales by value were Advanced Micro Devices Inc ($1.18B), Nvidia Corp ($223.86M), Unitedhealth Group Inc ($160.23M). It exited 36 positions entirely.

Where does this data come from?

From the Form 13F-HR reports Clear Street Group Inc. files with the SEC each quarter, within 45 days of quarter end. A 13F lists long positions in US-listed equities and options; it excludes short positions, cash, bonds and most non-US holdings.

Similar-Sized Institutions

by reported 13F value

13F data reflects long positions in US-listed equities and options as reported to the SEC up to 45 days after quarter end. It excludes short positions, cash, bonds and most non-US securities, so it is not a complete picture of a manager’s assets.