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Castle Biosciences Inc

CSTL
Exchange
Nasdaq
Industry
Services-Medical Laboratories
SEC CIK
0001447362

In the last 90 days, Castle Biosciences Inc insiders filed 0 open-market purchases and 20 sales; 176 institutions reported holding it in 13F filings for Q2 2026, worth $653.8M in total; no superinvestor holds it.

13F holders, Q2 2022

Institutional positions in Castle Biosciences Inc as of Jun 30, 2022. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
146
−11 vs. Q1 2022
Shares held
22.6M
−177.1K (−0.8%) vs. Q1 2022
Total value
$495.0M
−$521.6M (−51.3%) vs. Q1 2022
New holders
25
72 more added
Sold out
36
29 more reduced

3 institutions that held it in Q1 2022 haven't filed for Q2 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2022: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting CSTL on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ2 2022: 146 institutions
Q1 2021: 175 institutionsQ2 2021: 182 institutionsQ3 2021: 188 institutionsQ4 2021: 159 institutionsQ1 2022: 160 institutionsQ2 2022: 146 institutionsQ3 2022: 157 institutionsQ4 2022: 153 institutionsQ1 2023: 148 institutionsQ2 2023: 130 institutionsQ3 2023: 135 institutionsQ4 2023: 153 institutionsQ1 2024: 151 institutionsQ2 2024: 159 institutionsQ3 2024: 185 institutionsQ4 2024: 197 institutionsQ1 2025: 180 institutionsQ2 2025: 152 institutionsQ3 2025: 173 institutionsQ4 2025: 195 institutionsQ1 2026: 186 institutionsQ2 2026: 176 institutions
Value heldQ2 2022: $495.0M
Q1 2021: $1.46BQ2 2021: $1.52BQ3 2021: $1.42BQ4 2021: $918.6MQ1 2022: $1.02BQ2 2022: $495.0MQ3 2022: $569.8MQ4 2022: $522.0MQ1 2023: $501.9MQ2 2023: $316.6MQ3 2023: $391.0MQ4 2023: $515.4MQ1 2024: $553.2MQ2 2024: $549.4MQ3 2024: $736.9MQ4 2024: $706.4MQ1 2025: $516.3MQ2 2025: $541.8MQ3 2025: $608.3MQ4 2025: $1.06BQ1 2026: $677.8MQ2 2026: $653.8M
Institutions holding CSTL and their total value by quarter
QuarterHoldersValue
Q2 2026176$653.8M
Q1 2026186$677.8M
Q4 2025195$1.06B
Q3 2025173$608.3M
Q2 2025152$541.8M
Q1 2025180$516.3M
Q4 2024197$706.4M
Q3 2024185$736.9M
Q2 2024159$549.4M
Q1 2024151$553.2M
Q4 2023153$515.4M
Q3 2023135$391.0M
Q2 2023130$316.6M
Q1 2023148$501.9M
Q4 2022153$522.0M
Q3 2022157$569.8M
Q2 2022146$495.0M
Q1 2022160$1.02B
Q4 2021159$918.6M
Q3 2021188$1.42B
Q2 2021182$1.52B
Q1 2021175$1.46B

Institutions, Q2 2022

Shares, value and share of portfolio for each institution holding Castle Biosciences Inc; share changes are against Q1 2022.

Institutions holding CSTL in Q2 2022
InstitutionSharesValue% of portfolioChange in sharesAction
Public Employees Retirement System of Ohio88,176$1.94M0.01%00.0%Unchanged
SEI Investments Co106,384$2.33M0.01%+106,384New
Morgan Stanley108,939$2.39M0.00%+81,797+301.4%Added
Engineers Gate Manager LP108,940$2.39M0.09%+108,940New
Nuveen Asset Management, LLC112,655$2.47M0.00%+40,888+57.0%Added
Voloridge Investment Management, LLC116,617$2.56M0.01%+116,617New
Goldman Sachs Group Inc119,685$2.63M0.00%+56,463+89.3%Added
Citigroup Inc132,937$2.92M0.00%+124,294+1,438.1%Added
Monarch Partners Asset Management LLC133,042$2.92M0.82%−23,460−15.0%Reduced
Voya Investment Management LLC134,885$2.96M0.01%+121,100+878.5%Added
Cubist Systematic Strategies, LLC137,230$3.01M0.02%+102,397+294.0%Added
Two Sigma Investments, LP149,429$3.28M0.01%+149,429New
Banque Pictet & Cie SA152,066$3.34M0.03%−5,626−3.6%Reduced
Portolan Capital Management, LLC154,968$3.40M0.34%+154,968New
Two Sigma Advisers, LP155,300$3.41M0.01%+131,500+552.5%Added
UBS Asset Management Americas Inc157,152$3.45M0.00%−20,679−11.6%Reduced
Ameriprise Financial Inc160,154$3.52M0.00%+36,586+29.6%Added
Trustcore Financial Services, LLC164,751$3.62M0.34%00.0%Unchanged
Schonfeld Strategic Advisors LLC167,763$3.68M0.04%+106,059+171.9%Added
Charles Schwab Investment Management Inc171,041$3.75M0.00%+4,928+3.0%Added
Dimensional Fund Advisors LP192,078$4.22M0.00%+69,700+57.0%Added
New York State Common Retirement Fund195,799$4.30M0.01%+46,935+31.5%Added
Segall Bryant & Hamill, LLC198,314$4.35M0.05%+59,027+42.4%Added
Northern Trust Corp222,131$4.88M0.00%+9,806+4.6%Added
Principal Financial Group Inc249,676$5.48M0.00%+72,226+40.7%Added
Intrinsic Edge Capital Management LLC282,400$6.20M0.56%+70,000+33.0%Added
Stonepine Capital Management, LLC295,372$6.48M3.02%+295,372New
Invesco Ltd.348,862$7.66M0.00%−730,170−67.7%Reduced
Essex Investment Management Co LLC417,795$9.17M1.48%+300,550+256.3%Added
Geode Capital Management, LLC430,556$9.45M0.00%+29,544+7.4%Added
Nikko Asset Management Americas, Inc.443,882$9.57M0.12%+15,699+3.7%Added
Greenhouse Funds LLLP437,088$9.59M1.16%+437,088New
Sumitomo Mitsui Trust Holdings, Inc.443,882$9.74M0.01%+15,699+3.7%Added
Allspring Global Investments Holdings, LLC468,842$10.3M0.02%+21,786+4.9%Added
State Street Corp504,524$11.1M0.00%+45,819+10.0%Added
GW&K Investment Management, LLC516,297$11.3M0.12%−94,525−15.5%Reduced
Palisade Capital Management LLC578,933$12.7M0.34%+169,701+41.5%Added
Citadel Advisors LLC630,596$13.8M0.02%+443,589+237.2%Added
Kornitzer Capital Management Inc641,512$14.1M0.28%+197,170+44.4%Added
Millennium Management LLC902,089$19.8M0.03%+629,448+230.9%Added
Granahan Investment Management Inc906,764$19.9M0.68%+113,049+14.2%Added
RTW Investments, LP913,789$20.1M0.52%+417,114+84.0%Added
Bellevue Group AG941,059$20.7M0.29%+333,445+54.9%Added
Vanguard Group Inc1,210,796$26.6M0.00%+34,569+2.9%Added
BlackRock Inc.2,024,255$44.4M0.00%+241,717+13.6%Added
Wasatch Advisors Inc3,705,518$81.3M0.51%+261,671+7.6%Added
ARK Investment Management LLCSuperinvestorARK Invest0$00.00%−1,170,111−100.0%Sold out
Point72 Asset Management, L.P.0$00.00%−623,291−100.0%Sold out
Grandeur Peak Global Advisors, LLC0$00.00%−544,723−100.0%Sold out
Next Century Growth Investors LLC0$00.00%−538,673−100.0%Sold out
Pembroke Management, LTD0$00.00%−463,909−100.0%Sold out
Redwood Investments, LLC0$00.00%−375,892−100.0%Sold out
Zevenbergen Capital Investments LLC0$00.00%−336,055−100.0%Sold out
Lord, Abbett & Co. LLC0$00.00%−205,036−100.0%Sold out
ArrowMark Colorado Holdings LLC0$00.00%−203,300−100.0%Sold out
DF Dent & Co Inc0$00.00%−103,810−100.0%Sold out
Madison Asset Management, LLC0$00.00%−60,783−100.0%Sold out
Fred Alger Management, LLC0$00.00%−51,883−100.0%Sold out
Swedbank AB0$00.00%−35,000−100.0%Sold out
Alberta Investment Management Corp0$00.00%−29,230−100.0%Sold out
State of Wisconsin Investment Board0$00.00%−16,400−100.0%Sold out
Chartwell Investment Partners, LLC0$00.00%−14,508−100.0%Sold out
Pictet & Cie (Europe) SA0$00.00%−10,724−100.0%Sold out
M&T Bank Corp0$00.00%−9,704−100.0%Sold out
Mesirow Financial Investment Management, Inc.0$00.00%−7,985−100.0%Sold out
Jane Street Group, LLC0$00.00%−7,660−100.0%Sold out
Spearhead Capital Advisors, LLC0$00.00%−7,437−100.0%Sold out
NinePointTwo Capital0$00.00%−6,965−100.0%Sold out
ProShare Advisors LLC0$00.00%−6,625−100.0%Sold out
Truist Financial Corp0$00.00%−6,510−100.0%Sold out
Park Avenue Securities LLC0$00.00%−6,478−100.0%Sold out
Arizona State Retirement System0$00.00%−5,471−100.0%Sold out
Commerce Bank0$00.00%−5,260−100.0%Sold out
Oppenheimer Asset Management Inc.0$00.00%−4,989−100.0%Sold out
Commonwealth Equity Services, LLC0$00.00%−4,603−100.0%Sold out
Harbor Investment Advisory, LLC0$00.00%−542−100.0%Sold out
TCI Wealth Advisors, Inc.0$00.00%−171−100.0%Sold out
Quadrant Capital Group LLC0$00.00%−66−100.0%Sold out
Clearstead Advisors, LLC0$00.00%−22−100.0%Sold out
CWM, LLC0$00.00%−20−100.0%Sold out
SRS Capital Advisors, Inc.0$00.00%−12−100.0%Sold out
Glassman Wealth Services0$00.00%−23−100.0%Sold out
Parametric Portfolio Associates LLC––––Not filed
Susquehanna Fundamental Investments, LLC––––Not filed
Amalgamated Financial Corp.––––Not filed