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HRT FINANCIAL LP

Position in CSTL — Castle Biosciences Inc

CIK 1475597 NEW YORK, NY

Position in CSTL

as of Mar 31, 2026 · filed May 14, 2026
Position Value
$389,313
-$1,464,427 QoQ
Shares Held
15,858
-66.7% QoQ
Ownership
0.052%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Dec 2020
12 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 Mar 31, 2026

HRT FINANCIAL LP holds $54,922,173 across 15 Diagnostics & Research names. CSTL ranks #10 (0.7% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in CSTL

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12 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $389,313 15,858
2025-12-31 $1,853,740 47,654
2025-09-30 $1,075,632 47,239
2025-06-30 $384,426 18,826
2025-03-31 $566,265 28,285
2024-12-31 $329,633 12,369
2024-09-30 $509,395 17,861
2024-03-31 $332,493 15,011
2023-03-31 $340,981 15,008
2022-09-30 $624,589 23,949
2021-09-30 $314,212 4,725
2020-12-31 $592,330 8,821