CASTLE ROCK, CO
RIOT PLATFORMS, INC.RIOT— Latest position per institution from SEC 13F filings
15
Institutional holders
292.75M
Total shares held
3.53B
Estimated value
14.64M
Avg. position size
VANGUARD GROUP INC
CIK 102909
Shares
39.91M
Value
505.66M
Filed
Dec 31, 2025
BLACKROCK, INC.
CIK 2012383
Shares
29.65M
Value
366.51M
Filed
Mar 31, 2026
VANGUARD PORTFOLIO MANAGEMENT LLC
CIK 2100121
Shares
21.69M
Value
268.03M
Filed
Mar 31, 2026
BLACKROCK FINANCE, INC.
CIK 1364742
Shares
21.48M
Value
196.31M
Filed
Jun 30, 2024
JANE STREET GROUP, LLC
CIK 1595888
Shares
19.31M
Value
238.69M
Filed
Mar 31, 2026
STARBOARD VALUE LP
CIK 1517137
Shares
16.34M
Value
192.84M
Filed
Mar 31, 2026
FMR LLC
CIK 315066
Shares
15.01M
Value
185.58M
Filed
Mar 31, 2026
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
Shares
14.87M
Value
183.73M
Filed
Mar 31, 2026
VIKING GLOBAL INVESTORS LP
CIK 1103804
Shares
12.43M
Value
157.47M
Filed
Dec 31, 2025
SUSQUEHANNA INTERNATIONAL GROUP, LLP
CIK 1446194
Shares
12.26M
Value
151.48M
Filed
Mar 31, 2026
SITUATIONAL AWARENESS LP
CIK 2045724
Shares
11.50M
Value
142.17M
Filed
Mar 31, 2026
SITUATIONAL AWARENESS PARTNERS LP
CIK 2038540
Shares
11.50M
Value
142.17M
Filed
Mar 31, 2026
JERICHO CAPITAL ASSET MANAGEMENT L.P.
CIK 1525234
Shares
10.42M
Value
106.39M
Filed
Dec 31, 2024
CITADEL ADVISORS LLC
CIK 1423053
Shares
10.35M
Value
127.93M
Filed
Mar 31, 2026
NOMURA HOLDINGS INC
CIK 1163653
Shares
10.23M
Value
126.50M
Filed
Mar 31, 2026
STATE STREET CORP
CIK 93751
Shares
9.19M
Value
113.59M
Filed
Mar 31, 2026
GEODE CAPITAL MANAGEMENT, LLC
CIK 1214717
Shares
8.96M
Value
110.82M
Filed
Mar 31, 2026
DIMENSIONAL FUND ADVISORS LP
CIK 354204
Shares
7.02M
Value
86.70M
Filed
Mar 31, 2026
D. E. SHAW & CO., INC.
CIK 1009207
Shares
5.46M
Value
67.43M
Filed
Mar 31, 2026
VALUE ALIGNED RESEARCH ADVISORS, LLC
CIK 1963565
Shares
5.18M
Value
63.99M
Filed
Mar 31, 2026
| # | Institution | CIK | Shares | Est. Value | Period |
|---|---|---|---|---|---|
| 1 | VANGUARD GROUP INC | 102909 | 39.91M | 505.66M | Dec 31, 2025 |
| 2 | BLACKROCK, INC. | 2012383 | 29.65M | 366.51M | Mar 31, 2026 |
| 3 | VANGUARD PORTFOLIO MANAGEMENT LLC | 2100121 | 21.69M | 268.03M | Mar 31, 2026 |
| 4 | BLACKROCK FINANCE, INC. | 1364742 | 21.48M | 196.31M | Jun 30, 2024 |
| 5 | JANE STREET GROUP, LLC | 1595888 | 19.31M | 238.69M | Mar 31, 2026 |
| 6 | STARBOARD VALUE LP | 1517137 | 16.34M | 192.84M | Mar 31, 2026 |
| 7 | FMR LLC | 315066 | 15.01M | 185.58M | Mar 31, 2026 |
| 8 | VANGUARD CAPITAL MANAGEMENT LLC | 2100119 | 14.87M | 183.73M | Mar 31, 2026 |
| 9 | VIKING GLOBAL INVESTORS LP | 1103804 | 12.43M | 157.47M | Dec 31, 2025 |
| 10 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 1446194 | 12.26M | 151.48M | Mar 31, 2026 |
| 11 | SITUATIONAL AWARENESS LP | 2045724 | 11.50M | 142.17M | Mar 31, 2026 |
| 12 | SITUATIONAL AWARENESS PARTNERS LP | 2038540 | 11.50M | 142.17M | Mar 31, 2026 |
| 13 | JERICHO CAPITAL ASSET MANAGEMENT L.P. | 1525234 | 10.42M | 106.39M | Dec 31, 2024 |
| 14 | CITADEL ADVISORS LLC | 1423053 | 10.35M | 127.93M | Mar 31, 2026 |
| 15 | NOMURA HOLDINGS INC | 1163653 | 10.23M | 126.50M | Mar 31, 2026 |
| 16 | STATE STREET CORP | 93751 | 9.19M | 113.59M | Mar 31, 2026 |
| 17 | GEODE CAPITAL MANAGEMENT, LLC | 1214717 | 8.96M | 110.82M | Mar 31, 2026 |
| 18 | DIMENSIONAL FUND ADVISORS LP | 354204 | 7.02M | 86.70M | Mar 31, 2026 |
| 19 | D. E. SHAW & CO., INC. | 1009207 | 5.46M | 67.43M | Mar 31, 2026 |
| 20 | VALUE ALIGNED RESEARCH ADVISORS, LLC | 1963565 | 5.18M | 63.99M | Mar 31, 2026 |
Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.