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WESTFIELD CAPITAL MANAGEMENT CO LP

Position in TDG — TransDigm Group INC

CIK 1177719 BOSTON, MA

Position in TDG

as of Mar 31, 2026 · filed May 11, 2026
Position Value
$15,008,532
-$6,525,729 QoQ
Shares Held
12,950
-20.0% QoQ
Ownership
0.023%
of shares outstanding
% of Portfolio
0.06%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in TDG Over Time

Shares Held

Position Value (USD)

Position in Aerospace & Defense

Industrials · as of Jun 30, 2026

WESTFIELD CAPITAL MANAGEMENT CO LP holds $2,713,893,377 across 10 Aerospace & Defense names.

# Ticker Company Shares Value (USD) Open

All Filings in TDG

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25 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $15,008,532 12,950
2025-12-31 $21,534,261 16,193
2025-09-30 $287,192,603 217,897
2025-06-30 $441,005,368 290,013
2025-03-31 $437,343,732 316,162
2024-12-31 $459,031,627 362,218
2024-09-30 $530,979,414 372,061
2024-06-30 $464,291,139 363,406
2024-03-31 $388,414,618 315,374
2023-12-31 $323,889,030 320,175
2023-09-30 $273,121,845 323,938
2023-06-30 $325,294,575 363,795
2023-03-31 $273,555,370 371,149
2022-12-31 $238,741,242 379,165
2022-09-30 $199,225,870 379,608
2022-06-30 $217,544,551 405,360
2022-03-31 $258,696,563 397,054
2021-12-31 $230,159,655 361,727
2021-09-30 $217,821,910 348,755
2021-06-30 $232,804,321 359,660
2021-03-31 $221,183,146 376,213
2020-12-31 $241,415,241 390,103
2020-09-30 $178,683,129 376,080
2020-06-30 $139,941,978 316,575
2020-03-31 $115,071,803 359,386