Granahan Investment Management, LLC Castle Biosciences Inc Transaction History

Granahan Investment Management, LLC

$2.12 Billion
Q4 2024

A detailed history of Granahan Investment Management, LLC transactions in Castle Biosciences Inc stock. As of the latest transaction made, Granahan Investment Management, LLC holds 110,824 shares of CSTL stock, worth $3.01 Million. This represents 0.14% of its overall portfolio holdings.

Number of Shares

110,824

Previous 425,220 73.94%

Holding current value

$3.01 Million

Previous $12.1 Million 75.65%

% of portfolio

0.14%

Previous 0.51%

21 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q4 2024 Feb 14, 2025	SELL	$26.52 - $34.67 $8.34 Million - $10.9 Million	-314,396 Reduced 73.94%	110,824 $2.95 Million
Q3 2024 Nov 14, 2024	SELL	$17.4 - $31.47 $11 Million - $19.9 Million	-633,721 Reduced 59.84%	425,220 $12.1 Million
Q2 2024 Aug 14, 2024	SELL	$18.84 - $24.94 $10.7 Million - $14.2 Million	-568,283 Reduced 34.92%	1,058,941 $23.1 Million
Q1 2024 May 15, 2024	SELL	$18.06 - $25.3 $9.74 Million - $13.6 Million	-539,247 Reduced 24.89%	1,627,224 $36 Million
Q4 2023 Feb 14, 2024	SELL	$12.19 - $22.43 $3.92 Million - $7.2 Million	-321,202 Reduced 12.91%	2,166,471 $46.8 Million
Q3 2023 Nov 14, 2023	SELL	$13.28 - $20.3 $554,546 - $847,687	-41,758 Reduced 1.65%	2,487,673 $42 Million
Q2 2023 Aug 14, 2023	BUY	$11.66 - $26.0 $15.5 Million - $34.6 Million	1,329,382 Added 110.78%	2,529,431 $34.7 Million
Q1 2023 May 15, 2023	BUY	$19.47 - $28.49 $3.03 Million - $4.44 Million	155,721 Added 14.91%	1,200,049 $27.3 Million
Q4 2022 Feb 14, 2023	BUY	$18.08 - $30.0 $5.1 Million - $8.46 Million	282,111 Added 37.01%	1,044,328 $24.6 Million
Q3 2022 Nov 14, 2022	SELL	$22.51 - $34.32 $3.25 Million - $4.96 Million	-144,547 Reduced 15.94%	762,217 $19.9 Million
Q2 2022 Aug 15, 2022	BUY	$16.0 - $45.99 $1.81 Million - $5.2 Million	113,049 Added 14.24%	906,764 $19.9 Million
Q1 2022 May 16, 2022	BUY	$33.17 - $46.98 $1.87 Million - $2.65 Million	56,341 Added 7.64%	793,715 $35.6 Million
Q4 2021 Feb 14, 2022	BUY	$39.06 - $67.58 $11.2 Million - $19.4 Million	286,394 Added 63.5%	737,374 $31.6 Million
Q3 2021 Nov 15, 2021	BUY	$60.13 - $77.6 $381,885 - $492,837	6,351 Added 1.43%	450,980 $30 Million
Q2 2021 Aug 16, 2021	BUY	$50.07 - $76.78 $8.03 Million - $12.3 Million	160,408 Added 56.44%	444,629 $32.6 Million
Q1 2021 May 17, 2021	BUY	$58.92 - $97.33 $3.37 Million - $5.57 Million	57,233 Added 25.21%	284,221 $19.5 Million
Q4 2020 Feb 12, 2021	SELL	$43.6 - $73.05 $6.14 Million - $10.3 Million	-140,897 Reduced 38.3%	226,988 $15.2 Million
Q3 2020 Nov 12, 2020	BUY	$38.47 - $52.03 $3.55 Million - $4.8 Million	92,255 Added 33.47%	367,885 $18.9 Million
Q2 2020 Aug 14, 2020	BUY	$27.28 - $43.01 $6.41 Million - $10.1 Million	234,900 Added 576.72%	275,630 $10.4 Million
Q1 2020 May 12, 2020	SELL	$23.08 - $35.53 $280,029 - $431,085	-12,133 Reduced 22.95%	40,730 $1.21 Million
Q4 2019 Feb 14, 2020	BUY	$15.74 - $35.04 $832,063 - $1.85 Million	52,863 New	52,863 $1.82 Million

Others Institutions Holding CSTL

# of Institutions

210

Shares Held

26.6M

Call Options Held

128K

Put Options Held

35.4K

View Full List

About CASTLE BIOSCIENCES INC

Ticker CSTL
Exchange NASDAQ
Sector Healthcare
Industry Diagnostics & Research
Shares Outstandng 26,297,000
Market Cap $715M
Description
Castle Biosciences, Inc., a commercial-stage diagnostics company, focuses to provide diagnostic and prognostic testing services for dermatological cancers. Its lead product is DecisionDx-Melanoma, a multi-gene expression profile (GEP) test to identify the risk of metastasis for patients diagnosed with invasive cutaneous melanoma. The company als...

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Granahan Investment Management, LLC Castle Biosciences Inc Transaction History