CASTLE BIOSCIENCES INC - Common Stock, $0.001 par value per share (CSTL)

CUSIP: 14843C105

Q3 2025 13F Holders as of 30 Sep 2025

Type / Class
Equity / Common Stock, $0.001 par value per share
Shares outstanding
30,343,438
Total 13F shares
26,525,698
Share change
-49,352
Total reported value
$603,808,247
Put/Call ratio
22%
Price per share
$22.77
Number of holders
170
Value change
+$704,267
Number of buys
94
Number of sells
68

Quarterly Holders Quick Answers

What is CUSIP 14843C105?
CUSIP 14843C105 identifies CSTL - CASTLE BIOSCIENCES INC - Common Stock, $0.001 par value per share in SEC institutional holdings data.

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Top shareholders of CSTL - CASTLE BIOSCIENCES INC - Common Stock, $0.001 par value per share (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.

Methodology: rows are grouped by holder and ranked by the holder's primary source value. indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Holder Source Role / Reporting Ownership % Shares Holdings Value 12M Net Δ As of Details
BlackRock, Inc.
13F 13D/G
Company
8.2%
from 13D/G
3,154,679
$64,418,546 30 Jun 2025
VANGUARD GROUP INC
13F
Company
7.2%
2,170,028
$44,311,972 30 Jun 2025
13F
PRINCIPAL FINANCIAL GROUP INC
13F
Company
5.9%
1,798,974
$36,735,049 30 Jun 2025
13F
Portolan Capital Management, LLC
13F
Company
4.9%
1,489,572
$30,417,060 30 Jun 2025
13F
DIMENSIONAL FUND ADVISORS LP
13F
Company
4.5%
1,378,005
$28,138,709 30 Jun 2025
13F
Nuveen, LLC
13F
Company
3.5%
1,073,107
$21,912,845 30 Jun 2025
13F
WASATCH ADVISORS LP
13F 13D/G
Company
3.5%
from 13D/G
1,049,773
$21,436,365 30 Jun 2025
CITADEL ADVISORS LLC
13F
Company
2.9%
888,515
$18,143,476 30 Jun 2025
13F
BRAIDWELL LP
13F
Company
2.7%
822,735
$16,800,249 30 Jun 2025
13F
Allianz Asset Management GmbH
13F
Company
2.4%
713,742
$14,574,612 30 Jun 2025
13F
STATE STREET CORP
13F
Company
2.3%
707,687
$14,450,969 30 Jun 2025
13F
GEODE CAPITAL MANAGEMENT, LLC
13F
Company
2.3%
689,926
$14,090,066 30 Jun 2025
13F
RENAISSANCE TECHNOLOGIES LLC
13F
Company
2.2%
670,500
$13,691,610 30 Jun 2025
13F
SCHRODER INVESTMENT MANAGEMENT GROUP
13F
Company
2.1%
648,572
$13,198,440 30 Jun 2025
13F
PALISADE CAPITAL MANAGEMENT, LP
13F
Company
1.9%
575,116
$11,743,869 30 Jun 2025
13F
ACADIAN ASSET MANAGEMENT LLC
13F
Company
1.8%
544,250
$11,109,000 30 Jun 2025
13F
KABAKOFF DAVID S
3/4/5
Director
mixed-class rows
507,786
mixed-class rows
$10,282,139 17 Jun 2021
MILLENNIUM MANAGEMENT LLC
13F
Company
1.4%
428,397
$8,747,867 30 Jun 2025
13F
WELLINGTON MANAGEMENT GROUP LLP
13F
Company
1.3%
407,211
$8,315,249 30 Jun 2025
13F
BANK OF AMERICA CORP /DE/
13F
Company
1.3%
382,745
$7,815,653 30 Jun 2025
13F
AMERIPRISE FINANCIAL INC
13F
Company
1.2%
372,467
$7,605,776 30 Jun 2025
13F
UBS Group AG
13F
Company
1.2%
363,848
$7,429,776 30 Jun 2025
13F
Parkman Healthcare Partners LLC
13F
Company
1.2%
352,262
$7,193,190 30 Jun 2025
13F
Trexquant Investment LP
13F
Company
1%
318,072
$6,495,030 30 Jun 2025
13F
SILVERCREST ASSET MANAGEMENT GROUP LLC
13F
Company
0.92%
279,959
$5,716,763 30 Jun 2025
13F
NORTHERN TRUST CORP
13F
Company
0.92%
279,825
$5,714,026 30 Jun 2025
13F
KORNITZER CAPITAL MANAGEMENT INC /KS
13F
Company
0.92%
278,314
$5,683,172 30 Jun 2025
13F
GOLDMAN SACHS GROUP INC
13F
Company
0.9%
273,443
$5,583,706 30 Jun 2025
13F
Advisors Capital Management, LLC
13F
Company
0.81%
245,867
$5,020,604 30 Jun 2025
13F
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
13F
Company
0.77%
235,015
$4,799,006 30 Jun 2025
13F
NEW YORK STATE COMMON RETIREMENT FUND
13F
Company
0.71%
215,830
$4,407,249 30 Jun 2025
13F
Qube Research & Technologies Ltd
13F
Company
0.63%
192,553
$3,931,932 30 Jun 2025
13F
ALGERT GLOBAL LLC
13F
Company
0.61%
185,181
$3,781,000 30 Jun 2025
13F
MORGAN STANLEY
13F
Company
0.55%
167,588
$3,422,169 30 Jun 2025
13F
Allspring Global Investments Holdings, LLC
13F
Company
0.53%
161,175
$3,291,194 30 Jun 2025
13F
D. E. Shaw & Co., Inc.
13F
Company
0.49%
148,190
$3,026,040 30 Jun 2025
13F
Connor, Clark & Lunn Investment Management Ltd.
13F
Company
0.42%
126,431
$2,581,721 30 Jun 2025
13F
Squarepoint Ops LLC
13F
Company
0.41%
125,719
$2,567,182 30 Jun 2025
13F
Birchview Capital, LP
13F
Company
0.36%
110,600
$2,258,452 30 Jun 2025
13F
BARCLAYS PLC
13F
Company
0.36%
109,743
$2,240,951 30 Jun 2025
13F
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC
13F
Company
0.34%
102,742
$2,097,991 30 Jun 2025
13F
BNP PARIBAS FINANCIAL MARKETS
13F
Company
0.33%
99,293
$2,027,563 30 Jun 2025
13F
FRANKLIN RESOURCES INC
13F
Company
0.33%
99,247
$2,026,624 30 Jun 2025
13F
Bank of New York Mellon Corp
13F
Company
0.3%
89,883
$1,835,403 30 Jun 2025
13F
Y-Intercept (Hong Kong) Ltd
13F
Company
0.26%
78,938
$1,611,914 30 Jun 2025
13F
Orion Porfolio Solutions, LLC
13F
Company
0.25%
76,532
$1,562,783 30 Jun 2025
13F
TUDOR INVESTMENT CORP ET AL
13F
Company
0.25%
76,454
$1,561,191 30 Jun 2025
13F
ENVESTNET ASSET MANAGEMENT INC
13F
Company
0.23%
70,478
$1,439,161 30 Jun 2025
13F
Schonfeld Strategic Advisors LLC
13F
Company
0.22%
67,926
$1,387,047 30 Jun 2025
13F
Engineers Gate Manager LP
13F
Company
0.22%
67,252
$1,373,286 30 Jun 2025
13F

Institutional Holders of CASTLE BIOSCIENCES INC - Common Stock, $0.001 par value per share (CSTL) as of Q3 2025

As of 30 Sep 2025, CASTLE BIOSCIENCES INC - Common Stock, $0.001 par value per share (CSTL) was held by 170 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 26,525,698 shares. The largest 10 holders included BlackRock, Inc., VANGUARD GROUP INC, PRINCIPAL FINANCIAL GROUP INC, Portolan Capital Management, LLC, DIMENSIONAL FUND ADVISORS LP, Nuveen, LLC, BRAIDWELL LP, STATE STREET CORP, AIGH Capital Management LLC, and GEODE CAPITAL MANAGEMENT, LLC. This page lists 170 institutional shareholders reporting positions in this security for the Q3 2025 filing period.
Investor Option Weight % Change % Value $ * Price Shares Share Change Activity Report Period

Compare Q3 2025 vs Q2 2025 Across Filers

Q2 2025 holders
151
Q3 2025 holders
170
Holder diff
19
Investor Q2 2025 Shares Q3 2025 Shares Share Diff Share Chg % Q2 2025 Value $ Q3 2025 Value $ Value Diff $ Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.
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