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Starboard Value LP

Position in RIOT — Riot Platforms, Inc.

CIK 1517137 New York, NY

Position in RIOT

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$276,937,090
+$84,806,131 QoQ
Shares Held
10,114,576
-34.9% QoQ
Ownership
2.70%
of shares outstanding
% of Portfolio
7.22%
of 13F equity value
Holder Rank
#7
of 448 holders
Holding Since
Dec 2024
7 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in RIOT Over Time

Shares Held

Position Value (USD)

Derivatives in RIOT

reported options exposure · as of Jun 30, 2026
CallValue
$0
CallShares
0
PutValue
$1,918,518
PutShares
2,423,400

Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.

Position in Capital Markets

Financial Services · as of Jun 30, 2026

Starboard Value LP holds $276,937,090 across 1 Capital Markets name. RIOT ranks #1 (100.0% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 RIOT
Riot Platforms, Inc.
This page
10,114,576 $276,937,090

All Filings in RIOT

Export CSV
10 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $276,937,090 10,114,576
2026-06-30 $1,918,518 2,423,400
2026-03-31 $192,130,959 15,544,576
2026-03-31 $705,325 792,500
2025-12-31 $161,473,777 12,744,576
2025-09-30 $167,806,540 8,818,000
2025-06-30 $101,304 187,600
2025-06-30 $52,848,970 4,676,900
2025-03-31 $90,424,000 12,700,000
2024-12-31 $129,708,197 12,704,035