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ESSEX INVESTMENT MANAGEMENT CO LLC

Position in BWXT — BWX Technologies, Inc.

CIK 201772 BOSTON, MA

Position in BWXT

as of Mar 31, 2026 · filed May 11, 2026
Position Value
$5,225,741
+$516,370 QoQ
Shares Held
25,555
-6.2% QoQ
Ownership
0.028%
of shares outstanding
% of Portfolio
0.83%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Sep 2022
15 quarters on record
Voting authority Sole 97.41342203091371.ToString("F0")% Shared 0.ToString("F0")% None 2.5865779690862842.ToString("F0")%

Common Shares in BWXT Over Time

Shares Held

Position Value (USD)

Position in Aerospace & Defense

Industrials · as of Mar 31, 2026

ESSEX INVESTMENT MANAGEMENT CO LLC holds $34,912,024 across 7 Aerospace & Defense names. BWXT ranks #3 (15.0% of the industry book) .

# Ticker Company Shares Value (USD) Open
3 BWXT
BWX Technologies, Inc.
This page
25,555 $5,225,741

All Filings in BWXT

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15 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $5,225,741 25,555
2025-12-31 $4,709,371 27,247
2025-09-30 $5,103,730 27,682
2025-06-30 $4,052,119 28,128
2025-03-31 $2,123,539 21,526
2024-12-31 $2,619,001 23,512
2024-09-30 $2,662,280 24,492
2024-06-30 $2,426,490 25,542
2024-03-31 $133,713 1,303
2023-12-31 $140,185 1,827
2023-09-30 $1,087,809 14,508
2023-06-30 $1,201,016 16,781
2023-03-31 $1,369,670 21,727
2022-12-31 $1,344,668 23,152
2022-09-30 $114,591 2,275