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Equibles

Engineers Gate Manager LP

Position in CSTL — Castle Biosciences Inc

CIK 1620220 NEW YORK, NY
Back to CSTL Full portfolio

Position in CSTL

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$703,098
+$254,914 QoQ
Shares Held
29,480
+61.5% QoQ
Ownership
0.096%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
#78
of 176 holders
Holding Since
Jun 2022
15 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in CSTL Over Time

Shares Held

Position Value (USD)

Position in Diagnostics & Research

Healthcare · as of Jun 30, 2026

Engineers Gate Manager LP holds $81,977,054 across 22 Diagnostics & Research names. CSTL ranks #16 (0.9% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 A
Agilent Technologies, Inc.
 126,957 $16,863,698
2 GH
Guardant Health, Inc.
 85,180 $12,779,555
3 NTRA
Natera, Inc.
 40,839 $11,085,746
4 TMO
Thermo Fisher Scientific Inc.
 18,701 $9,375,933
5 MTD
Mettler Toledo International Inc/
 6,175 $7,888,624
6 CRL
Charles River Laboratories International, Inc.
 29,267 $6,637,462
7 QGEN
Qiagen N.V.
 74,567 $2,915,569
8 IDXX
Idexx Laboratories Inc /De
 5,186 $2,730,117

All Filings in CSTL

Export CSV
15 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $703,098 29,480
2026-03-31 $448,184 18,256
2025-12-31 $892,716 22,949
2025-09-30 $1,058,941 46,506
2025-06-30 $1,373,285 67,252
2025-03-31 $1,059,518 52,923
2024-12-31 $498,941 18,722
2024-09-30 $1,428,338 50,082
2024-06-30 $595,888 27,372
2024-03-31 $664,411 29,996
2023-12-31 $674,741 31,267
2023-03-31 $512,563 22,560
2022-12-31 $930,512 39,529
2022-09-30 $248,724 9,537
2022-06-30 $2,391,233 108,940