Granahan Investment Management, LLC
Position in BWXT — BWX Technologies, Inc.
CIK 1026710
WALTHAM, MA
Position in BWXT
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$3,693,678
+$686,858 QoQ
Shares Held
18,976
+29.1% QoQ
Ownership
0.021%
of shares outstanding
% of Portfolio
0.13%
of 13F equity value
Holder Rank
#261
of 841 holders
Holding Since
Sep 2025
4 quarters on record
Voting authority
Sole 75%
Shared 0%
None 25%
Common Shares in BWXT Over Time
Shares Held
Position Value (USD)
Position in Aerospace & Defense
Industrials · as of Jun 30, 2026Granahan Investment Management, LLC holds $189,781,182 across 9 Aerospace & Defense names. BWXT ranks #8 (1.9% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | FTAI |
FTAI Aviation Ltd.
|
293,722 | $79,460,612 | |
| 2 | AXON |
Axon Enterprise, Inc.
|
96,829 | $54,283,305 | |
| 3 | AVAV |
AeroVironment Inc
|
86,783 | $14,325,269 | |
| 4 | YSS |
York Space Systems Inc.
|
468,190 | $11,526,837 | |
| 5 | ARXS |
Arxis, Inc.
|
241,183 | $11,128,183 | |
| 6 | KRMN |
Karman Holdings Inc.
|
144,544 | $7,215,636 | |
| 7 | BETA |
BETA Technologies, Inc.
|
422,493 | $7,076,757 | |
| 8 | BWXT |
BWX Technologies, Inc.
This page
|
18,976 | $3,693,678 |
All Filings in BWXT
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4 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $3,693,678 | 18,976 | Shares | Sole | 2026-08-14 | |
| 2026-03-31 | $3,006,820 | 14,704 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $2,999,638 | 17,355 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $1,940,862 | 10,527 | Shares | Sole | 2025-11-14 | |
| No filing history on record for this holder in this stock. | ||||||