WESTFIELD CAPITAL MANAGEMENT CO LP
Position in KTOS — Kratos Defense & Security Solutions, Inc.
CIK 1177719
BOSTON, MA
Position in KTOS
as of Mar 31, 2026
· filed May 11, 2026
Position Value
$110,217,424
+$15,664,915 QoQ
Shares Held
1,563,146
+25.5% QoQ
Ownership
0.834%
of shares outstanding
% of Portfolio
0.46%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Sep 2025
3 quarters on record
Voting authority
Sole 92.94755576254553.ToString("F0")%
Shared 0.ToString("F0")%
None 7.052444237454466.ToString("F0")%
Common Shares in KTOS Over Time
Shares Held
Position Value (USD)
Position in Aerospace & Defense
Industrials · as of Mar 31, 2026WESTFIELD CAPITAL MANAGEMENT CO LP holds $2,226,765,652 across 9 Aerospace & Defense names. KTOS ranks #5 (4.9% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | FTAI |
FTAI Aviation Ltd.
|
2,848,227 | $697,815,615 | |
| 2 | HWM |
Howmet Aerospace Inc.
|
2,289,697 | $527,683,570 | |
| 3 | AXON |
Axon Enterprise, Inc.
|
1,064,134 | $451,927,068 | |
| 4 | RKLB |
Rocket Lab Corp
|
3,172,611 | $203,745,078 | |
| 5 | KTOS |
Kratos Defense & Security Solutions, Inc.
This page
|
1,563,146 | $110,217,424 | |
| 6 | WWD |
Woodward, Inc.
|
272,185 | $97,420,455 | |
| 7 | KRMN |
Karman Holdings Inc.
|
964,305 | $77,192,615 | |
| 8 | PL |
Planet Labs PBC
|
1,637,041 | $45,755,295 |
All Filings in KTOS
Export CSV
3 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $110,217,424 | 1,563,146 | Shares | Sole | 2026-05-11 | |
| 2025-12-31 | $94,552,509 | 1,245,587 | Shares | Sole | 2026-02-11 | |
| 2025-09-30 | $91,901,407 | 1,005,816 | Shares | Sole | 2025-11-12 | |
| No filing history on record for this holder in this stock. | ||||||