William Blair & Company
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William Blair & Company’s Riot Platforms RIOT Stock Holding History

William Blair & Company’s Portfolio RIOT Stock Details RIOT Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$498K Buy
18,191
+454
+3% +$10.2K ﹤0.01% 1234
2026
Q1 		$219K Buy
17,737
+52
+0.3% +$798 ﹤0.01% 1449
2025
Q4 		$224K Sell
17,685
-3,065
-15% -$52.4K ﹤0.01% 1418
2025
Q3 		$395K Hold
20,750
– – ﹤0.01% 1197
2025
Q2 		$234K Hold
20,750
– – ﹤0.01% 1357
2025
Q1 		$148K Buy
+20,750
New +$215K ﹤0.01% 1447

Other funds holding RIOT

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
SA
Situational Awareness San Francisco, California $20.2B AUM 612.59% 1-Year Est. Return
Jane Street
Jane Street New York $1.21T AUM 78.12% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
SV
Starboard Value New York $4.52B AUM 19.34% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

William Blair & Company's RIOT Position: Q2 2026 in Review

William Blair & Company increased its Riot Platforms (RIOT) stake by 2.6% in Q2 2026, buying an estimated $10.2K and bringing the position to 18,191 shares worth $498K. The position accounts for ﹤0.01% of the portfolio, ranked #1234.

William Blair & Company first reported a position in RIOT in Q1 2025 and has held it in 6 quarters since. 448 funds tracked by Wall St. Rank hold RIOT as of Q2 2026.

  • William Blair & Company held 18,191 shares of Riot Platforms worth $498K as of Q2 2026.
  • William Blair & Company bought 454 Riot Platforms shares in Q2 2026, an estimated $10.2K.
  • Riot Platforms made up ﹤0.01% of William Blair & Company's portfolio in Q2 2026, its #1234 holding.
  • William Blair & Company first reported a position in Riot Platforms in Q1 2025 and has held it in 6 quarters since.
  • 448 funds tracked by Wall St. Rank held Riot Platforms as of Q2 2026.

Based on William Blair & Company's 13F filing for Q2 2026, filed 11 Aug 2026.