MASSACHUSETTS FINANCIAL SERVICES CO /MA/
Position in RIOT — Riot Platforms, Inc.
CIK 912938
Boston, MA
Position in RIOT
as of Mar 31, 2026
· filed May 14, 2026
Position Value
$33,679,702
+$4,728,968 QoQ
Shares Held
2,724,895
+19.3% QoQ
Ownership
0.721%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Sep 2025
3 quarters on record
Voting authority
Sole 100.ToString("F0")%
Shared 0.ToString("F0")%
None 0.ToString("F0")%
Common Shares in RIOT Over Time
Shares Held
Position Value (USD)
Position in Capital Markets
Financial Services · as of Mar 31, 2026MASSACHUSETTS FINANCIAL SERVICES CO /MA/ holds $5,693,040,432 across 12 Capital Markets names. RIOT ranks #7 (0.6% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | MS |
Morgan Stanley
|
11,749,856 | $1,933,673,797 | |
| 2 | SCHW |
Schwab Charles Corp
|
14,521,887 | $1,364,766,937 | |
| 3 | LPLA |
LPL Financial Holdings Inc.
|
3,869,359 | $1,164,019,265 | |
| 4 | GS |
Goldman Sachs Group Inc
|
970,662 | $821,170,341 | |
| 5 | XP |
XP Inc.
|
12,331,051 | $234,783,208 | |
| 6 | HOOD |
Robinhood Markets, Inc.
|
986,908 | $68,392,721 | |
| 7 | RIOT |
Riot Platforms, Inc.
This page
|
2,724,895 | $33,679,702 | |
| 8 | PJT |
PJT Partners Inc.
|
230,362 | $32,186,177 |
All Filings in RIOT
Export CSV
3 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $33,679,702 | 2,724,895 | Shares | Sole | 2026-05-14 | |
| 2025-12-31 | $28,950,734 | 2,284,983 | Shares | Sole | 2026-01-22 | |
| 2025-09-30 | $34,433,757 | 1,809,446 | Shares | Sole | 2025-10-29 | |
| No filing history on record for this holder in this stock. | ||||||