SEC 13F Intelligence

RIVIAN AUTOMOTIVE INC

CUSIP 76954A903

Rivian Automotive Inc has 1 institutional holders in Filings Flow’s 13F database, together reporting 143.7K shares worth $837,607 as of Q1 2026. The largest reported holders are Imc-Chicago, LLC, Simplex Trading, LLC, and Group One Trading LLC.

Institutional Holders
1
Q1 2026
Reported Value
$837,607
Ticker
unmapped
private placement or foreign
Quarters Tracked
2

Ownership Trend

Institutional holders
Q4 ’25: 1Q4 ’25Q1 ’26: 1Q1 ’26filingsflow.com
Total reported value
Q4 ’25: $1,383Q4 ’25Q1 ’26: $837,607Q1 ’26filingsflow.com

Holders

Mixed quarters
Manager% of PortfolioValueSharesQuarter
StoryOne LLC$177M AUM0.47%$837,607143.7KQ1 2026
GROUP ONE TRADING LLC$52.2B AUM0.06%$33M2.22MQ1 2026
IMC-Chicago, LLC$278.4B AUM0.03%$70M4.65MQ1 2026
SIMPLEX TRADING, LLC$149.1B AUM0.02%$37M2.44MQ1 2026
Marathon Trading Investment Management LLC$3.7B AUM0.02%$674,24044.8KQ1 2026
CIBC WORLD MARKETS CORP$20.8B AUM0.00%$985,50050.0KQ4 2025OLDER
Hurley Capital, LLC$187M AUM0.00%$4,43142Q4 2025OLDER
CIBC Bancorp USA Inc.$74.4B AUM0.00%$752,50050.0KQ1 2026
JPMORGAN CHASE & CO$1.56T AUM0.00%$24,6331.7KQ1 2026
OSAIC HOLDINGS, INC.$68.3B AUM0.00%$963Q3 2025OLDER

Holdings are reported up to 45 days after quarter end. Share counts are as filed and not adjusted for stock splits.