WESTFIELD CAPITAL MANAGEMENT CO LP
Position in PLTR — Palantir Technologies Inc.
CIK 1177719
BOSTON, MA
Position in PLTR
as of Mar 31, 2026
· filed May 11, 2026
Position Value
$98,674,197
+$71,196,714 QoQ
Shares Held
674,557
+336.4% QoQ
Ownership
0.028%
of shares outstanding
% of Portfolio
0.42%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Jun 2024
8 quarters on record
Voting authority
Sole 72%
Shared 0%
None 28%
Common Shares in PLTR 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 PLTR
Export CSV
8 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $98,674,197 | 674,557 | Shares | Sole | 2026-05-11 | |
| 2025-12-31 | $27,477,483 | 154,585 | Shares | Sole | 2026-02-11 | |
| 2025-09-30 | $110,628,609 | 606,450 | Shares | Sole | 2025-11-12 | |
| 2025-06-30 | $957,784 | 7,026 | Shares | Sole | 2025-08-12 | |
| 2025-03-31 | $160,228,082 | 1,898,437 | Shares | Sole | 2025-05-09 | |
| 2024-12-31 | $144,375,854 | 1,908,976 | Shares | Sole | 2025-02-11 | |
| 2024-09-30 | $108,587,172 | 2,919,010 | Shares | Sole | 2024-11-12 | |
| 2024-06-30 | $106,896,171 | 4,220,141 | Shares | Sole | 2024-08-14 | |
| No filing history on record for this holder in this stock. | ||||||