Position in FFIV
as of Mar 31, 2026
· filed May 11, 2026
Position Value
$86,377,156
+$14,572,774 QoQ
Shares Held
298,542
+6.1% QoQ
Ownership
0.527%
of shares outstanding
% of Portfolio
0.37%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Sep 2020
23 quarters on record
Voting authority
Sole 90%
Shared 0%
None 10%
Common Shares in FFIV Over Time
Shares Held
Position Value (USD)
Position in Software - Infrastructure
Technology · as of Jun 30, 2026WESTFIELD CAPITAL MANAGEMENT CO LP holds $1,560,354,849 across 12 Software - Infrastructure names.
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | MSFT |
Microsoft Corp
|
1,414,294 | $527,559,947 | |
| 2 | PANW |
Palo Alto Networks Inc
|
658,331 | $224,504,037 | |
| 3 | NET |
Cloudflare, Inc.
|
835,502 | $204,931,930 | |
| 4 | IOT |
Samsara Inc.
|
5,836,459 | $189,276,365 | |
| 5 | SNPS |
Synopsys Inc
|
226,856 | $101,193,655 | |
| 6 | RBRK |
Rubrik, Inc.
|
937,308 | $75,247,086 | |
| 7 | CORZ |
Core Scientific, Inc./tx
|
2,409,894 | $61,669,187 | |
| 8 | MDB |
MongoDB, Inc.
|
149,255 | $50,134,754 |
All Filings in FFIV
Export CSV
23 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $86,377,156 | 298,542 | Shares | Sole | 2026-05-11 | |
| 2025-12-31 | $71,804,382 | 281,299 | Shares | Sole | 2026-02-11 | |
| 2025-09-30 | $5,242,141 | 16,220 | Shares | Sole | 2025-11-12 | |
| 2025-06-30 | $4,347,106 | 14,770 | Shares | Sole | 2025-08-12 | |
| 2025-03-31 | $3,932,807 | 14,770 | Shares | Sole | 2025-05-09 | |
| 2024-12-31 | $71,961,912 | 286,165 | Shares | Sole | 2025-02-11 | |
| 2024-09-30 | $99,447,384 | 451,623 | Shares | Sole | 2024-11-12 | |
| 2024-06-30 | $104,993,991 | 609,615 | Shares | Sole | 2024-08-14 | |
| 2024-03-31 | $97,734,972 | 515,507 | Shares | Sole | 2024-05-10 | |
| 2023-12-31 | $100,939,529 | 563,971 | Shares | Sole | 2024-02-09 | |
| 2023-09-30 | $120,551,734 | 748,118 | Shares | Sole | 2023-11-13 | |
| 2023-06-30 | $102,873,433 | 703,360 | Shares | Sole | 2023-08-11 | |
| 2023-03-31 | $62,775,489 | 430,884 | Shares | Sole | 2023-05-12 | |
| 2022-12-31 | $61,681,889 | 429,809 | Shares | Sole | 2023-02-13 | |
| 2022-09-30 | $39,570,195 | 273,407 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $41,253,309 | 269,559 | Shares | Sole | 2022-08-12 | |
| 2022-03-31 | $52,027,296 | 248,994 | Shares | Sole | 2022-05-16 | |
| 2021-12-31 | $64,231,970 | 262,482 | Shares | Sole | 2022-02-10 | |
| 2021-09-30 | $66,127,943 | 332,669 | Shares | Sole | 2021-11-12 | |
| 2021-06-30 | $60,596,182 | 324,634 | Shares | Sole | 2021-08-10 | |
| 2021-03-31 | $56,099,586 | 268,908 | Shares | Sole | 2021-05-14 | |
| 2020-12-31 | $80,564,157 | 457,907 | Shares | Sole | 2021-02-12 | |
| 2020-09-30 | $25,768,318 | 209,891 | Shares | Sole | 2020-11-13 | |
| No filing history on record for this holder in this stock. | ||||||