Position in MSFT
as of Mar 31, 2026
· filed May 11, 2026
Position Value
$610,600,227
-$173,453,705 QoQ
Shares Held
1,649,513
+1.7% QoQ
Ownership
0.022%
of shares outstanding
% of Portfolio
2.56%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority
Sole 73.5841427136373.ToString("F0")%
Shared 0.ToString("F0")%
None 26.415857286362705.ToString("F0")%
Common Shares in MSFT Over Time
Shares Held
Position Value (USD)
Position in Software - Infrastructure
Technology · as of Mar 31, 2026WESTFIELD CAPITAL MANAGEMENT CO LP holds $1,510,266,224 across 13 Software - Infrastructure names. MSFT ranks #1 (40.4% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | MSFT |
Microsoft Corp
This page
|
1,649,513 | $610,600,227 | |
| 2 | IOT |
Samsara Inc.
|
5,072,821 | $160,757,697 | |
| 3 | NET |
Cloudflare, Inc.
|
541,566 | $111,746,728 | |
| 4 | PANW |
Palo Alto Networks Inc
|
636,483 | $102,040,954 | |
| 5 | PLTR |
Palantir Technologies Inc.
|
674,557 | $98,674,197 | |
| 6 | FFIV |
F5, Inc.
|
298,542 | $86,377,156 | |
| 7 | CALX |
Calix, Inc
|
1,546,101 | $75,743,487 | |
| 8 | ZS |
Zscaler, Inc.
|
427,919 | $60,032,756 |
All Filings in MSFT
Export CSV
25 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $610,600,227 | 1,649,513 | Shares | Sole | 2026-05-11 | |
| 2025-12-31 | $784,053,932 | 1,621,219 | Shares | Sole | 2026-02-11 | |
| 2025-09-30 | $883,226,986 | 1,705,236 | Shares | Sole | 2025-11-12 | |
| 2025-06-30 | $874,160,271 | 1,757,424 | Shares | Sole | 2025-08-12 | |
| 2025-03-31 | $687,943,843 | 1,832,611 | Shares | Sole | 2025-05-09 | |
| 2024-12-31 | $789,389,836 | 1,872,811 | Shares | Sole | 2025-02-11 | |
| 2024-09-30 | $823,762,447 | 1,914,391 | Shares | Sole | 2024-11-12 | |
| 2024-06-30 | $825,354,407 | 1,846,637 | Shares | Sole | 2024-08-14 | |
| 2024-03-31 | $640,727,109 | 1,522,930 | Shares | Sole | 2024-05-10 | |
| 2023-12-31 | $585,828,579 | 1,557,889 | Shares | Sole | 2024-02-09 | |
| 2023-09-30 | $423,905,742 | 1,342,536 | Shares | Sole | 2023-11-13 | |
| 2023-06-30 | $470,537,399 | 1,381,739 | Shares | Sole | 2023-08-11 | |
| 2023-03-31 | $402,817,372 | 1,397,216 | Shares | Sole | 2023-05-12 | |
| 2022-12-31 | $366,508,032 | 1,528,263 | Shares | Sole | 2023-02-13 | |
| 2022-09-30 | $323,400,980 | 1,388,583 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $360,433,681 | 1,403,394 | Shares | Sole | 2022-08-12 | |
| 2022-03-31 | $449,456,476 | 1,457,807 | Shares | Sole | 2022-05-16 | |
| 2021-12-31 | $533,843,426 | 1,587,308 | Shares | Sole | 2022-02-10 | |
| 2021-09-30 | $479,652,767 | 1,701,379 | Shares | Sole | 2021-11-12 | |
| 2021-06-30 | $456,467,041 | 1,685,002 | Shares | Sole | 2021-08-10 | |
| 2021-03-31 | $408,645,051 | 1,733,236 | Shares | Sole | 2021-05-14 | |
| 2020-12-31 | $434,883,813 | 1,955,237 | Shares | Sole | 2021-02-12 | |
| 2020-09-30 | $451,656,332 | 2,147,370 | Shares | Sole | 2020-11-13 | |
| 2020-06-30 | $455,281,582 | 2,237,146 | Shares | Sole | 2020-08-13 | |
| 2020-03-31 | $355,116,237 | 2,251,704 | Shares | Sole | 2020-05-14 | |
| No filing history on record for this holder in this stock. | ||||||