Position in LRCX
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$71,947,868
+$8,118,955 QoQ
Shares Held
336,740
-9.7% QoQ
Ownership
0.027%
of shares outstanding
% of Portfolio
2.78%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Dec 2024
6 quarters on record
Voting authority
Sole 100.ToString("F0")%
Shared 0.ToString("F0")%
None 0.ToString("F0")%
Common Shares in LRCX Over Time
Shares Held
Position Value (USD)
Position in Semiconductor Equipment & Materials
Technology · as of Mar 31, 2026CASTLEARK MANAGEMENT LLC holds $101,940,023 across 7 Semiconductor Equipment & Materials names. LRCX ranks #1 (70.6% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | LRCX |
Lam Research Corp
This page
|
336,740 | $71,947,868 | |
| 2 | KLIC |
Kulicke & Soffa Industries Inc
|
106,380 | $6,991,293 | |
| 3 | IPGP |
Ipg Photonics Corp
|
60,456 | $6,927,653 | |
| 4 | UCTT |
Ultra Clean Holdings, Inc.
|
100,130 | $6,226,083 | |
| 5 | ONTO |
Onto Innovation Inc.
|
29,030 | $5,953,182 | |
| 6 | CAMT |
Camtek Ltd
|
15,420 | $2,337,826 | |
| 7 | TER |
Teradyne, Inc
|
5,249 | $1,556,118 |
All Filings in LRCX
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6 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $71,947,868 | 336,740 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $63,828,913 | 372,876 | Shares | Sole | 2026-02-13 | |
| 2025-09-30 | $67,501,668 | 504,120 | Shares | Sole | 2025-11-17 | |
| 2025-06-30 | $50,874,751 | 522,650 | Shares | Sole | 2025-08-18 | |
| 2025-03-31 | $16,498,392 | 226,938 | Shares | Sole | 2025-05-15 | |
| 2024-12-31 | $8,760,054 | 121,280 | Shares | Sole | 2025-02-18 | |
| No filing history on record for this holder in this stock. | ||||||