Position in ROCK
as of Jun 30, 2026
· filed Aug 7, 2026
Position Value
$11,816
+$733 QoQ
Shares Held
262
-5.8% QoQ
Ownership
0.001%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#201
of 243 holders
Holding Since
Sep 2024
8 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in ROCK Over Time
Shares Held
Position Value (USD)
Position in Building Products & Equipment
Industrials · as of Jun 30, 2026HARBOR CAPITAL ADVISORS, INC. holds $13,085,586 across 11 Building Products & Equipment names. ROCK ranks #10 (0.1% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | AAON |
Aaon, Inc.
|
36,367 | $4,613,517 | |
| 2 | ARLO |
Arlo Technologies, Inc.
|
232,982 | $3,140,597 | |
| 3 | NPKI |
NPK International Inc.
|
148,297 | $2,359,405 | |
| 4 | TT |
Trane Technologies plc
|
3,405 | $1,672,399 | |
| 5 | CSL |
Carlisle Companies Inc
|
2,122 | $769,755 | |
| 6 | LII |
Lennox International Inc
|
462 | $264,702 | |
| 7 | BLDR |
Builders FirstSource, Inc.
|
2,091 | $187,102 | |
| 8 | GFF |
Griffon Corp
|
299 | $29,161 |
All Filings in ROCK
Export CSV
8 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $11,816 | 262 | Shares | Sole | 2026-08-07 | |
| 2026-03-31 | $11,083 | 278 | Shares | Sole | 2026-04-28 | |
| 2025-12-31 | $6,031 | 122 | Shares | Sole | 2026-01-20 | |
| 2025-09-30 | $7,787 | 124 | Shares | Sole | 2025-10-15 | |
| 2025-06-30 | $7,552 | 128 | Shares | Sole | 2025-07-09 | |
| 2025-03-31 | $9,033 | 154 | Shares | Sole | 2025-04-14 | |
| 2024-12-31 | $5,359 | 91 | Shares | Sole | 2025-01-10 | |
| 2024-09-30 | $6,503 | 93 | Shares | Sole | 2024-10-29 | |
| No filing history on record for this holder in this stock. | ||||||