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CASTLE BIOSCIENCES INC hedge fund holdings

CSTLNASDAQ
$35.56+0.31 (+0.87%)as of Oct 2, 2026

Every quarter, large institutional investment managers with over $100M in U.S.-listed assets under management disclose their U.S. equity holdings through 13F filings. Read together, those filings show which businesses professional capital is moving into and out of.

Price vs funds buying and selling

CSTL · close · 13FReported Aug 14, 2026

Price vs funds buying and selling data

Showing the 1Y range: Oct 2, 2025 to Oct 2, 2026. Price (+60.0%). 0 fund reports plotted in this window as 0 markers; nearby trades of the same kind are grouped.

Transactions plotted on the price chart
DateCategoryPersonRoleActionAmountChange in holding
Funds buying · new + increased
Funds selling · reduced + closed
Net buyers vs sellers
Buying = new + increased; selling = reduced + closed. Counts exclude position changes under 5% of the fund's holding last quarter.

Price and fund activity data

Quarterly 13F fund buying and selling activity
QuarterFunds buyingFunds sellingBoughtSoldFilersReported
Q2 20256564$80.8M$62.4M137Aug 14, 2025
Q3 20256954$66.3M$71.8M159Nov 14, 2025
Q4 20257863$189M$164M185Feb 14, 2026
Q1 20267570$80.7M$74.2M177May 15, 2026
Q2 20267365$96.8M$111M163Aug 14, 2026

Quarterly action breakdown

Q2 2026
163 filers
New position
18
$34.5M+1.45M sh
Increased
55
$62.3M+2.61M sh
Reduced
40
-$83.4M-3.5M sh
Out / sold
25
-$28M-1.17M sh
Last 4 quarters · free
Reported Aug 14, 2026
FundActionChange in dollarValue% of portfolioReported
Portolan Capital Management, LLCReduce 75.65%-$24.4M$7.84M0.29%Aug 14, 2026
Jefferies Financial Group Inc.New Buy+$15.4M$15.4M0.10%Aug 17, 2026
Eventide Asset Management, LLCSell 100%-$9.49M$00.00%Aug 14, 2026
Kennedy Capital Management LLCNew Buy+$8.31M$8.31M0.15%Aug 14, 2026
Palisade Capital Management, LPReduce 56.72%-$7.25M$5.53M0.24%Aug 14, 2026
Schroder Investment Management GroupSell 100%-$7.04M$00.00%Aug 13, 2026
Wasatch Advisors LPReduce 38.61%-$4.19M$6.66M0.04%Jul 10, 2026
Campbell & CO Investment Adviser LLCReduce 88.93%-$3.16M$393K0.02%Aug 3, 2026
Summit Partners Public Asset Management, LLCReduce 12.31%-$2.76M$19.7M0.35%Aug 14, 2026
Formula Growth LtdSell 100%-$1.13M$00.00%Aug 17, 2026
AIGH Capital Management LLCReduce 7.70%-$1.09M$13M0.82%Aug 7, 2026
Quantinno Capital Management LPReduce 63.88%-$693K$392K0.00%Aug 13, 2026
Fox Run Management, L.L.C.Sell 100%-$618K$00.00%Aug 4, 2026
Tidal Investments LLCNew Buy+$529K$529K0.00%Aug 13, 2026
RTW Investments, LPAdded 0.73%+$477K$66.3M0.57%Aug 14, 2026
Parkman Healthcare Partners LLCAdded 14.78%+$445K$3.45M0.35%Aug 14, 2026
Diversify Advisory Services, LLCNew Buy+$389K$389K0.01%Aug 10, 2026
Silvercrest Asset Management Group LLCReduce 4.63%-$297K$6.11M0.04%Aug 14, 2026
SummitTX Capital, L.P.Added 17.88%+$286K$1.88M0.05%Aug 14, 2026
Canada Pension Plan Investment BoardSell 100%-$280K$00.00%Aug 14, 2026
Jackson Creek Investment Advisors LLCSell 100%-$275K$00.00%Aug 10, 2026
Graham Capital Management, L.P.Sell 100%-$273K$00.00%Aug 14, 2026
Advisors Capital Management, LLCReduce 4.10%-$243K$5.68M0.06%Aug 11, 2026
Empowered Funds, LLCAdded 7.68%+$242K$3.39M0.02%Aug 17, 2026
Allstate CorpNew Buy+$230K$230K0.00%Aug 13, 2026
EntryPoint Capital, LLCNew Buy+$213K$213K0.05%Aug 13, 2026
Inspire Investing, LLCAdded 38.02%+$191K$693K0.03%Aug 12, 2026
Harbor Capital Advisors, Inc.Added 23.95%+$146K$757K0.05%Aug 7, 2026
First Bank & TrustAdded 12.65%+$49.8K$443K0.07%Jul 9, 2026
Numerai GP LLCAdded 24.57%+$48.7K$247K0.02%Aug 14, 2026
Assetmark, IncAdded 16.11%+$22.2K$160K0.00%Jul 30, 2026
KBC Group NVReduce 2.41%-$21.2K$860K0.00%Aug 5, 2026
Perkins Capital Management IncAdded 4.70%+$17.3K$385K0.29%Jul 24, 2026
Summit Global InvestmentsReduce 4.67%-$15.3K$312K0.02%Aug 3, 2026
China Universal Asset Management Co., Ltd.Reduce 8.51%-$10.7K$115K0.01%Jul 24, 2026
MassMutual Private Wealth & Trust, FSBSell 100%-$4.96K$00.00%Jul 2, 2026
Diversify Wealth Management, LLCAdded 1.09%+$4.2K$389K0.01%Jul 30, 2026
Kornitzer Capital Management IncReduce 0.06%-$3.84K$6.3M0.13%Jul 31, 2026
Silver Grove Financial Group, Inc.New Buy+$3.72K$3.72K0.00%Aug 13, 2026
Versant Capital Management, IncReduce 48.78%-$2.86K$3.01K0.00%Jul 2, 2026
Destiny Wealth Partners, LLCSell 100%-$2.16K$00.00%Aug 7, 2026
Birchview Capital, LPAdded 0.65%+$2K$310K0.14%Aug 14, 2026
BNP PARIBAS ASSET MANAGEMENT Holding S.A.Reduce 7.10%-$1.29K$16.9K0.00%Aug 13, 2026
Missouri Trust & Investment CoSell 100%-$466$00.00%Aug 13, 2026
TritonPoint Partners, LLCAdded 0.18%+$453$257K0.02%Aug 13, 2026
Signature Equity Partners, LLCSell 100%-$393$00.00%Jul 30, 2026
Hughes Financial Services, LLCReduce 2.24%-$239$10.4K0.00%Jul 20, 2026
Green Alpha Advisors, LLCReduce 0.04%-$95$237K0.16%Aug 11, 2026
Lido Advisors, LLCAdded 0.03%+$72$239K0.00%Aug 7, 2026
Twin Peaks Wealth Advisors, LLCSell 100%-$25$00.00%Aug 13, 2026
Freestone Grove Partners LPNew Buy+$24$240.00%Aug 14, 2026

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