13FBOX
CASTLE BIOSCIENCES INC · 13F Institutional Holdings
Options Calculator Rankings
C

CASTLE BIOSCIENCES INC

CSTL
Institutions
177
Combined AUM (Q2 2026)
$652.6M
Combined Shares (Q2 2026)
27.3M
Overall Trend
Decrease
All institutions combined
📥 Inflow (Q1 2026→Q2 2026)
+4.6M
104 · 26 New Buys · ≈
📤 Outflow (Q1 2026→Q2 2026)
-4.7M
90 · 34 Exit · ≈
⚖️ Net
-153,252
Net Sell
💰 Net Value
≈ —
est. price
Latest AUM (Q2 2026)
$652.6M
Institutions
177
New Buys
26
Adds
78
Reduces
56
Exits
34
Unchanged
17
Ownership TrendPortfolio %Prev Q %RankQ2 2026 ValueQ2 2026 SharesPrev Q ValuePrev Q SharesShares ChangeAction
BlackRock, Inc.
<0.01%<0.01%#79$78.5M3.3M$73.2M3.0M+309,017+10.36%Add
RTW INVESTMENTS, LP
0.57%0.67%#2$66.3M2.8M$67.7M2.8M+20,000+0.73%Add
PRINCIPAL FINANCIAL GROUP INC
0.02%0.02%#29$41.2M1.7M$43.5M1.8M-43,229-2.44%Reduce
VANGUARD CAPITAL MANAGEMENT LLC
<0.01%<0.01%#100$29.3M1.2M$28.9M1.2M+48,975+4.16%Add
ACADIAN ASSET MANAGEMENT LLC
0.03%0.02%#25$21.9M918,668$11.9M484,441+434,227+89.63%Add
VANGUARD PORTFOLIO MANAGEMENT LLC
<0.01%<0.01%#85$20.1M840,785$21.2M861,771-20,986-2.44%Reduce
Allianz Asset Management GmbH
0.02%0.02%#35$19.9M811,324$19.9M811,32400.00%Unchanged
SUMMIT PARTNERS PUBLIC ASSET MANAGEMENT, LLC
0.35%0.62%#4$19.7M824,872$23.1M940,685-115,813-12.31%Reduce
STATE STREET CORP
<0.01%<0.01%#103$19.6M822,079$18.9M769,079+53,000+6.89%Add
GEODE CAPITAL MANAGEMENT, LLC
<0.01%<0.01%#81$19.0M795,912$17.9M728,100+67,812+9.31%Add
MACKENZIE FINANCIAL CORP
0.02%<0.01%#32$18.9M793,507$1.8M74,111+719,396+970.70%Add
DIMENSIONAL FUND ADVISORS LP
<0.01%0.01%#54$18.9M791,085$25.5M1.0M-248,676-23.92%Reduce
Jefferies Financial Group Inc.
0.1%#12$15.4M647,391$00+647,391New Buy
Qube Research & Technologies Ltd
0.01%0.02%#38$14.1M589,300$13.7M559,583+29,717+5.31%Add
AIGH Capital Management LLC
0.82%1.98%#1$13.0M545,101$14.5M590,601-45,500-7.70%Reduce
RENAISSANCE TECHNOLOGIES LLC
0.01%0.02%#41$8.9M371,200$13.1M532,800-161,600-30.33%Reduce
GOLDMAN SACHS GROUP INC
<0.01%<0.01%#91$8.5M358,397$8.4M341,171+17,226+5.05%Add
Point72 Asset Management, L.P.
0.01%#44$8.5M357,317$00+357,317New Buy
KENNEDY CAPITAL MANAGEMENT LLC
0.15%#9$8.3M348,371$00+348,371New Buy
Connor, Clark & Lunn Investment Management Ltd.
0.01%0.02%#37$7.9M331,727$9.3M377,082-45,355-12.03%Reduce
MORGAN STANLEY
<0.01%<0.01%#109$7.9M329,684$6.1M269,631+60,053+22.27%Add
Portolan Capital Management, LLC
0.29%1.76%#6$7.8M328,818$33.1M1.4M-1.0M-75.65%Reduce
PANAGORA ASSET MANAGEMENT INC
0.02%0.02%#26$7.2M301,040$5.5M222,353+78,687+35.39%Add
Allspring Global Investments Holdings, LLC
0.01%0.01%#43$7.0M292,470$3.9M160,663+131,807+82.04%Add
NORTHERN TRUST CORP
<0.01%<0.01%#90$6.8M285,158$6.7M273,101+12,057+4.41%Add
WASATCH ADVISORS LP
0.04%0.07%#19$6.7M279,349$11.2M455,036-175,687-38.61%Reduce
CITADEL ADVISORS LLC
<0.01%<0.01%#92$6.3M265,353$4.1M165,977+99,376+59.87%Add
KORNITZER CAPITAL MANAGEMENT INC /KS
0.13%0.14%#11$6.3M264,235$6.5M264,396-161-0.06%Reduce
SILVERCREST ASSET MANAGEMENT GROUP LLC
0.04%0.05%#20$6.1M256,095$6.6M268,535-12,440-4.63%Reduce
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
<0.01%<0.01%#88$6.1M254,535$5.9M241,880+12,655+5.23%Add
Advisors Capital Management, LLC
0.06%0.07%#15$5.7M238,204$6.1M248,376-10,172-4.10%Reduce
NEW YORK STATE COMMON RETIREMENT FUND
0.01%0.01%#47$5.6M234,746$5.7M233,046+1,700+0.73%Add
PALISADE CAPITAL MANAGEMENT, LP
0.24%0.44%#7$5.5M231,931$13.2M535,884-303,953-56.72%Reduce
Nuveen, LLC
<0.01%<0.01%#75$5.5M231,726$12.8M522,127-290,401-55.62%Reduce
BRIDGEWAY CAPITAL MANAGEMENT, LLC
0.09%0.13%#13$5.3M221,338$6.3M255,184-33,846-13.26%Reduce
Trexquant Investment LP
0.03%0.02%#23$4.9M206,111$3.2M130,434+75,677+58.02%Add
MILLENNIUM MANAGEMENT LLC
<0.01%<0.01%#70$4.9M205,369$8.7M353,319-147,950-41.87%Reduce
VANGUARD FIDUCIARY TRUST CO
<0.01%<0.01%#80$4.7M197,494$4.6M188,211+9,283+4.93%Add
AQR CAPITAL MANAGEMENT LLC
<0.01%<0.01%#73$4.0M166,567$1.6M64,880+101,687+156.73%Add
FIRST TRUST ADVISORS LP
<0.01%#60$3.5M145,064$00+145,064New Buy
Parkman Healthcare Partners LLC
0.35%0.32%#3$3.5M144,791$3.1M126,150+18,641+14.78%Add
Empowered Funds, LLC
0.02%0.02%#34$3.4M142,338$3.2M132,184+10,154+7.68%Add
HRT FINANCIAL LP
0.01%<0.01%#50$2.8M115,853$389,00015,858+99,995+630.57%Add
D. E. Shaw & Co., Inc.
<0.01%<0.01%#76$2.7M112,789$5.2M211,966-99,177-46.79%Reduce
Man Group plc
<0.01%<0.01%#53$2.6M108,761$1.2M47,138+61,623+130.73%Add
TWO SIGMA INVESTMENTS, LP
<0.01%<0.01%#67$2.4M100,374$6.1M248,840-148,466-59.66%Reduce
BANK OF AMERICA CORP /DE/
<0.01%<0.01%#131$2.4M98,745$1.7M67,810+30,935+45.62%Add
Bank of New York Mellon Corp
<0.01%<0.01%#112$2.3M98,018$2.2M88,654+9,364+10.56%Add
FRANKLIN RESOURCES INC
<0.01%<0.01%#106$2.3M97,733$2.2M90,909+6,824+7.51%Add
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
<0.01%<0.01%#82$2.2M92,736$666,33627,142+65,594+241.67%Add

🧭 Institutional Sector Flow Heatmap

Net Outflow Net Inflow