Castle Biosciences Inc

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Castle Biosciences Inc
TickerCSTL
CIK #0001447362
CUSIP14843C105
SectorLife Sciences - Services-Medical Laboratories
Address820 S Friendswood Drive Suite 201, Friendswood, TX 77546
Source [EDGAR]
CIK Filing 2011 - 2025
[0001447362] 10-K
[0001447362] 10-Q
[0001447362] 3
[0001447362] 4
[0001447362] 5
[0001447362] 8-K
[0001447362] D
[0001447362] SC 13D
[0001447362] SC 13G
Form 13D/13G Filer Form 13D/13G Subject Filed % Owned
Portolan Capital Management LLC Castle Biosciences Inc [2025-04-14] 0.0
Granahan Investment Management LLC Castle Biosciences Inc [2024-02-14] 8.05
Principal Global Investors Castle Biosciences Inc [2024-02-13] 5.89
Vanguard Group Inc Castle Biosciences Inc [2023-02-09] 5.29
BlackRock Inc Castle Biosciences Inc [2022-02-04] 7.1
Wasatch Advisors Inc Castle Biosciences Inc [2021-02-11] 8.4
ARK Investment Management LLC Castle Biosciences Inc [2021-02-10] 10.44
Maetzold Derek J Castle Biosciences Inc [2020-02-12] 11.3
Bradbury Daniel Castle Biosciences Inc [2020-02-12] 5.3
MGC Venture Partners 2013 GP LLC Castle Biosciences Inc [2020-02-11] 8.8
Industry Ventures Healthcare LLC Castle Biosciences Inc [2020-02-05] 7.3
Sofinnova Healthquest Partners LP Castle Biosciences Inc [2019-08-05] 11.0
Form 3/4/5 Filer 2011 - 2025
Maetzold Derek J
Castle Biosciences Inc
Juvenal Tobin W
Stokes Frank
Oelschlager Kristen M
Cotton Rodney
Caple Kim
Goldberg Ellen
Olson Tiffany
Harrison Miles
Bradbury Daniel
Cole G Bradley
Aspinall Mara G.
Spiess Bernhard E.
Kabakoff David S
Cook Joseph C. III
Anderson Bonnie H
Monzon Federico A.
MGC Venture Partners QP 2018 LP
MGC Venture Partners 2013 GP, LLC
MGC Venture Partners 2018 GP, LLC
MGC Venture Partners 2013, L.P.
MGC Venture Partners 2018 LP
Sofinnova HealthQuest Partners, L.P.
HealthQuest Venture Management, L.L.C.
Kong Garheng
Form 13F Holdings
Firm Period DFND Voting Shares
BlackRock, Inc. [2025-06-30] SOLE 3,040,737 3,154,679
Vanguard Group Inc [2025-06-30] SOLE 0 2,117,653
Principal Financial Group Inc [2025-06-30] DFND 1,798,974 1,798,974
Portolan Capital Management LLC [2025-06-30] SOLE 1,489,572 1,489,572
Dimensional Fund Advisors LP [2025-06-30] SOLE 1,285,029 1,310,248
Nuveen, LLC [2025-06-30] DFND 1,072,359 1,073,107
Wasatch Advisors LP [2025-06-30] SOLE 1,049,773 1,049,773
Citadel Advisors LLC [2025-06-30] DFND 888,515 888,515
Braidwell LP [2025-06-30] SOLE 822,735 822,735
Allianz Asset Management GmbH [2025-06-30] DFND 474,154 713,742
State Street Corp [2025-06-30] DFND 591,323 707,687
Geode Capital Management LLC [2025-06-30] DFND 689,926 689,926
Renaissance Technologies LLC [2025-06-30] SOLE 670,500 670,500
Schroder Investment Management Group [2025-06-30] SOLE 648,572 648,572
Palisade Capital Management LP [2025-06-30] SOLE 337,413 575,116
Millennium Management LLC [2025-06-30] SOLE 428,397 428,397
Wellington Management Group LLP [2025-06-30] DFND 0 407,211
Bank of America Corp /DE/ [2025-06-30] DFND 4,398 382,745
Ameriprise Financial Inc [2025-06-30] DFND 0 372,467
UBS Group AG [2025-06-30] DFND 363,753 363,848
Parkman Healthcare Partners LLC [2025-06-30] SOLE 352,262 352,262
Trexquant Investment LP [2025-06-30] SOLE 318,072 318,072
Silvercrest Asset Management Group LLC [2025-06-30] SOLE 158,567 279,959
Kornitzer Capital Management Inc /KS [2025-06-30] SOLE 278,314 278,314
Northern Trust Corp [2025-06-30] DFND 275,428 275,428
Goldman Sachs Group Inc [2025-06-30] DFND 272,615 273,443
Advisors Capital Management LLC [2025-06-30] SOLE 135,214 245,867
Charles Schwab Investment Management Inc [2025-06-30] SOLE 235,012 235,015
New York State Common Retirement Fund [2025-06-30] SOLE 215,830 215,830
Qube Research & Technologies Ltd [2025-06-30] SOLE 192,553 192,553
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