Stock Ownership/RIVIAN AUTOMOTIVE INC

RIVIAN AUTOMOTIVE INC: Ownership & Insider Activity

Hedge funds and institutional managers reporting a position in RIVIAN AUTOMOTIVE INC. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.

Reported Holders
14
13F filers
Aggregate Value
$362.7M
Across holders
Last Price
EOD close
Sector
GICS
Institutional Holders of RIVIAN AUTOMOTIVE INC
14 holders
ManagerTypeSharesMarket Value% of Total% of PortfolioActionQoQ ChangeQuarter
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
Hedge Fund70.06M$74.6M20.6%0.1%Added+$15.5MQ2 2026
Sculptor Capital LP
CIK 0001054587
Hedge Fund67.50M$72.4M20.0%0.6%Reduced$-34.9MQ2 2026
MARSHALL WACE, LLP
CIK 0001318757
Hedge Fund53.50M$57.4M15.8%0.0%Reduced$-10.0MQ2 2026
BALYASNY ASSET MANAGEMENT LLC
CIK 0001218710
Hedge Fund32.00M$34.2M9.4%0.0%Unchanged+$0Q2 2026
HBK INVESTMENTS L P
CIK 0001011443
Hedge Fund28.20M$30.3M8.3%0.3%Added+$4.5MQ2 2026
Point72 Asset Management, L.P.
CIK 0001603466
Hedge Fund23.50M$25.2M6.9%0.0%Reduced$-20.9MQ2 2026
Hudson Bay Capital Management LP
CIK 0001393825
Hedge Fund15.00M$16.1M4.4%0.0%Unchanged+$0Q2 2026
MARINER INVESTMENT GROUP LLC
CIK 0001096978
Hedge Fund15.00M$16.0M4.4%3.5%NewQ2 2026
CITADEL ADVISORS LLC
CIK 0001423053
Hedge Fund12.50M$13.4M3.7%0.0%NewQ2 2026
CAPSTONE INVESTMENT ADVISORS, LLC
CIK 0001426196
Hedge Fund7.50M$8.0M2.2%0.0%Reduced$-1.1MQ2 2026
TWO SIGMA INVESTMENTS, LPAdded
Hedge Fund
$74.6M· 20.6% of total· 0.1% port· 70.06M sh· +$15.5M QoQ· Q2 2026
Sculptor Capital LPReduced
Hedge Fund
$72.4M· 20.0% of total· 0.6% port· 67.50M sh· $-34.9M QoQ· Q2 2026
MARSHALL WACE, LLPReduced
Hedge Fund
$57.4M· 15.8% of total· 0.0% port· 53.50M sh· $-10.0M QoQ· Q2 2026
BALYASNY ASSET MANAGEMENT LLCUnchanged
Hedge Fund
$34.2M· 9.4% of total· 0.0% port· 32.00M sh· +$0 QoQ· Q2 2026
HBK INVESTMENTS L PAdded
Hedge Fund
$30.3M· 8.3% of total· 0.3% port· 28.20M sh· +$4.5M QoQ· Q2 2026
Point72 Asset Management, L.P.Reduced
Hedge Fund
$25.2M· 6.9% of total· 0.0% port· 23.50M sh· $-20.9M QoQ· Q2 2026
Hudson Bay Capital Management LPUnchanged
Hedge Fund
$16.1M· 4.4% of total· 0.0% port· 15.00M sh· +$0 QoQ· Q2 2026
MARINER INVESTMENT GROUP LLCNew
Hedge Fund
$16.0M· 4.4% of total· 3.5% port· 15.00M sh· QoQ· Q2 2026
CITADEL ADVISORS LLCNew
Hedge Fund
$13.4M· 3.7% of total· 0.0% port· 12.50M sh· QoQ· Q2 2026
CAPSTONE INVESTMENT ADVISORS, LLCReduced
Hedge Fund
$8.0M· 2.2% of total· 0.0% port· 7.50M sh· $-1.1M QoQ· Q2 2026
SHAW D E & CO INCUnchanged
Hedge Fund
$5.4M· 1.5% of total· 0.0% port· 5.00M sh· +$0 QoQ· Q2 2026
Man Group plcAdded
Hedge Fund
$5.1M· 1.4% of total· 0.0% port· 4.74M sh· +$989K QoQ· Q2 2026
OAKTREE CAPITAL MANAGEMENT LPAdded
Hedge Fund
$3.6M· 1.0% of total· 0.1% port· 3.40M sh· +$2.2M QoQ· Q2 2026
MILLENNIUM MANAGEMENT LLCReduced
Hedge Fund
$1.1M· 0.3% of total· 0.0% port· 1.00M sh· $-19.3M QoQ· Q2 2026
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