MASSACHUSETTS FINANCIAL SERVICES CO /MA/
Position in ANET — Arista Networks, Inc.
CIK 912938
Boston, MA
Position in ANET
as of Mar 31, 2026
· filed May 14, 2026
Position Value
$887,444,136
+$181,276,954 QoQ
Shares Held
7,227,921
+34.1% QoQ
Ownership
0.574%
of shares outstanding
% of Portfolio
0.32%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Dec 2024
6 quarters on record
Voting authority
Sole 74.16432747397211.ToString("F0")%
Shared 20.88860683452406.ToString("F0")%
None 4.9470656915038225.ToString("F0")%
Common Shares in ANET Over Time
Shares Held
Position Value (USD)
Position in Computer Hardware
Technology · as of Mar 31, 2026MASSACHUSETTS FINANCIAL SERVICES CO /MA/ holds $1,956,514,518 across 7 Computer Hardware names. ANET ranks #2 (45.4% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | STX |
Seagate Technology Holdings plc
|
2,536,122 | $993,551,152 | |
| 2 | ANET |
Arista Networks, Inc.
This page
|
7,227,921 | $887,444,136 | |
| 3 | WDC |
Western Digital Corp
|
185,516 | $50,180,221 | |
| 4 | CRSR |
Corsair Gaming, Inc.
|
3,119,308 | $17,312,159 | |
| 5 | SNDK |
Sandisk Corp
|
11,294 | $7,175,529 | |
| 6 | QBTS |
D-Wave Quantum Inc.
|
41,479 | $598,541 | |
| 7 | IONQ |
IonQ, Inc.
|
8,768 | $252,780 |
All Filings in ANET
Export CSV
6 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $887,444,136 | 7,227,921 | Shares | Defined | 2026-05-14 | |
| 2025-12-31 | $706,167,182 | 5,389,355 | Shares | Sole | 2026-01-22 | |
| 2025-09-30 | $833,629,638 | 5,721,156 | Shares | Sole | 2025-10-29 | |
| 2025-06-30 | $19,984,006 | 195,328 | Shares | Sole | 2025-08-08 | |
| 2025-03-31 | $41,777,524 | 539,204 | Shares | Sole | 2025-05-02 | |
| 2024-12-31 | $146,966,432 | 1,329,652 | Shares | Sole | 2025-02-12 | |
| No filing history on record for this holder in this stock. | ||||||