13F Insight
DOSSIER · 13F Holders · Q1 2026Financial Services · Finance ServicesCheap mega-capRe-rated
RIOT

RIOT PLATFORMS INC

434 institutions still hold RIOT PLATFORMS INC as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 767292105·Finance Services·434 13F holders·last filed Mar 31, 2026
Market cap
—
▲ 3.3%
vs prior quarter
13F value held
$2.8B
58.0% inst. owned
of float
Holders
434
-126 QoQ
filers reporting
Activity
+10 / −84
+981 added · −831 reduced
this quarter
Concentration
12.99%
BlackRock, Inc. #1
top holder share
AI Holders Summary · Q1 2026

434 institutions reported RIOT in Q1 2026. BlackRock, Inc. leads at 13.0% of the visible book. -126 net institutions QoQ — distribution reading.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
BlackRock, Inc.
CIK 0002012383
$367M29.7M0.01%Q1 202602
Vanguard Portfolio Management
CIK 0002100121
$268M21.7M0.01%Q1 202603
JANE STREET GROUP, LLC
CIK 0001595888· Market maker
$239M19.3M0.03%Q1 202604
Starboard Value LP
CIK 0001517137
$193M16.3M4.22%Q1 202605
FMR LLC
CIK 0000315066
$186M15.0M0.01%Q1 202606
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119
$184M14.9M0.00%Q1 202607
CITADEL ADVISORS LLC
CIK 0001423053
$158M12.5M0.02%Q4 202508
SUSQUEHANNA INTERNATIONAL GROUP, LLP
CIK 0001446194· Market maker
$151M12.3M0.02%Q1 202609
Situational Awareness LP
CIK 0002045724
$142M11.5M1.04%Q1 202610
Situational Awareness Partners LP
CIK 0002038540
$142M11.5M1.04%Q1 202611
NOMURA HOLDINGS INC
CIK 0001163653
$127M10.2M0.34%Q1 202612
STATE STREET CORP
CIK 0000093751
$114M9.2M0.00%Q1 202613
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$111M9.0M0.01%Q1 202614
DIMENSIONAL FUND ADVISORS LP
CIK 0000354204· Quasi-passive
$87M7.0M0.02%Q1 202615
D. E. Shaw & Co., Inc.
CIK 0001009207
$69M5.5M0.04%Q4 202516
Value Aligned Research Advisors, LLC
CIK 0001963565
$64M5.2M0.31%Q1 202617
MIZUHO MARKETS AMERICAS LLC
CIK 0001825516
$63M5.1M1.71%Q1 202618
WOLVERINE TRADING, LLC
CIK 0000927337
$58M2.9M0.04%Q3 202519
GOLDMAN SACHS GROUP INC
CIK 0000886982
$50M4.1M0.01%Q1 202620
BANK OF AMERICA CORP /DE/
CIK 0000070858
$50M4.0M0.00%Q1 2026
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