MASSACHUSETTS FINANCIAL SERVICES CO /MA/
Position in ALGM — Allegro Microsystems, Inc.
CIK 912938
Boston, MA
Position in ALGM
as of Jun 30, 2026
· filed Aug 3, 2026
Position Value
$100,496,119
+$98,311,185 QoQ
Shares Held
1,443,495
+1983.1% QoQ
Ownership
0.774%
of shares outstanding
% of Portfolio
0.03%
of 13F equity value
Holder Rank
#17
of 370 holders
Holding Since
Dec 2020
15 quarters on record
Voting authority
Sole 76%
Shared 19%
None 5%
Common Shares in ALGM Over Time
Shares Held
Position Value (USD)
Position in Semiconductors
Technology · as of Jun 30, 2026MASSACHUSETTS FINANCIAL SERVICES CO /MA/ holds $31,779,658,313 across 33 Semiconductors names. ALGM ranks #12 (0.3% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | NVDA |
Nvidia Corp
|
62,506,436 | $12,506,912,773 | |
| 2 | AVGO |
Broadcom Inc.
|
12,084,090 | $4,564,764,994 | |
| 3 | TSM |
Taiwan Semiconductor Manufacturing Co Ltd
|
9,510,209 | $4,541,790,507 | |
| 4 | ADI |
Analog Devices Inc
|
5,399,929 | $2,144,689,796 | |
| 5 | NXPI |
NXP Semiconductors N.V.
|
6,458,702 | $1,815,089,020 | |
| 6 | MU |
Micron Technology Inc
|
1,356,814 | $1,566,156,828 | |
| 7 | TXN |
Texas Instruments Inc
|
4,646,473 | $1,384,974,204 | |
| 8 | AMD |
Advanced Micro Devices Inc
|
2,321,366 | $1,348,504,719 |
All Filings in ALGM
Export CSV
15 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $100,496,119 | 1,443,495 | Shares | Sole | 2026-08-03 | |
| 2026-03-31 | $2,184,934 | 69,297 | Shares | Sole | 2026-05-14 | |
| 2025-12-31 | $2,114,541 | 80,157 | Shares | Sole | 2026-01-22 | |
| 2025-09-30 | $1,179,387 | 40,390 | Shares | Sole | 2025-10-29 | |
| 2025-06-30 | $17,541,008 | 513,045 | Shares | Sole | 2025-08-08 | |
| 2025-03-31 | $15,333,496 | 610,167 | Shares | Sole | 2025-05-02 | |
| 2024-12-31 | $23,454,337 | 1,072,934 | Shares | Sole | 2025-02-12 | |
| 2024-09-30 | $33,854,993 | 1,453,004 | Shares | Sole | 2024-11-12 | |
| 2024-06-30 | $27,796,547 | 984,297 | Shares | Sole | 2024-08-09 | |
| 2024-03-31 | $25,849,248 | 958,800 | Shares | Sole | 2024-05-14 | |
| 2023-12-31 | $32,618,952 | 1,077,600 | Shares | Sole | 2024-02-08 | |
| 2023-09-30 | $33,844,614 | 1,059,631 | Shares | Sole | 2023-11-08 | |
| 2023-06-30 | $48,258,451 | 1,069,084 | Shares | Sole | 2023-08-09 | |
| 2023-03-31 | $18,742,014 | 390,540 | Shares | Sole | 2023-05-10 | |
| 2020-12-31 | $13,329,999 | 500,000 | Shares | Sole | 2021-05-12 | |
| No filing history on record for this holder in this stock. | ||||||