Follow-The-Filings

Security

CSTL

Castle Biosciences Inc. · COM

Equity holders as of 2026 Q1 (each manager’s latest book)

7 owners 1 exit max 0.0% (Renaissance Technologies LLC)

grid → activity →
owners 7
max % 0.0%
tracked value $120M
qoq A 5 R 1 E 1

holders

sorted by % of portfolio · long equity only · exits show last held size

manager % port activity shares value history
Renaissance Technologies LLC 2026 Q1 0.0% Add -0.01 pp 532,800 $13M hist
Vanguard Group Inc. 2025 Q4 stale 0.0% Add 0.00 pp 2,199,829 $86M hist
Israel Englander - Millennium Management LLC 2026 Q1 0.0% Add 0.00 pp 353,319 $9M hist
D. E. Shaw & Co., Inc. 2026 Q1 0.0% Add 0.00 pp 211,966 $5M hist
Two Sigma Investments, LP 2025 Q4 stale 0.0% Exit 0.00 pp 84,066 $3M hist
Ken Griffin - Citadel Advisors LLC 2026 Q1 0.0% Reduce 0.00 pp 120,977 $3M hist
Cliff Asness - Aqr Capital Management LLC 2026 Q1 0.0% Add 0.00 pp 64,880 $2M hist
Steve Cohen - Point72 Asset Management, L.P. exited 2026 Q1 last 2025 Q4 0.0% Exit -0.01 pp 119,458 $5M hist

7 current · 1 exited last period · options excluded

financials

US-GAAP annual · as tagged in Form 10-K · fiscal years · values link to the SEC filing

Income statement

Metric FY2023 FY2024 FY2025
Revenue $219.79M $332.07M $344.23M
Gross profit * $174.81M $271.86M $273.2M
Gross margin * 79.5% 81.9% 79.4%
Net income -$57.47M $18.24M -$24.16M
Net margin * -26.1% 5.5% -7.0%

Balance sheet

Metric FY2023 FY2024 FY2025
Total current assets $295.64M $360.15M $361.1M
Total non-current assets * $157.7M $171.08M $217.46M
Total assets $453.34M $531.24M $578.56M
Total current liabilities $47.67M $49.39M $68.68M
Total non-current liabilities * $14.4M $26.01M $39.01M
Total equity $391.27M $455.84M $470.87M

Cash flow

Metric FY2023 FY2024 FY2025
Cash from operations -$5.63M $64.87M $64.35M
Cash from investing -$16.18M -$50.14M -$60.37M
Cash from financing -$2.3M $6.14M -$6.96M
Net change in cash -$24.11M $20.87M -$2.98M

Source: SEC companyfacts (US-GAAP 10-K) · * = computed (not a single XBRL tag) · fiscal year as labeled by the issuer · not adjusted or audited by Follow-The-Filings

ownership over time

filing count by report period · click a bar for that quarter’s holders