S
CSTL icon

SignatureFD’s Castle Biosciences CSTL Stock Holding History

SignatureFD’s Portfolio CSTL Stock Details CSTL Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$1.1K Hold
45
– – ﹤0.01% 3189
2025
Q4 		$1.75K Hold
45
– – ﹤0.01% 3003
2025
Q3 		$1.02K Hold
45
– – ﹤0.01% 3079
2025
Q2 		$919 Buy
+45
New +$833 ﹤0.01% 3037
2023
Q4 		– Sell
-28,358
Closed -$479K – 3159
2023
Q3 		$479K Sell
28,358
-32
-0.1% -$560 0.01% 459
2023
Q2 		$390K Buy
28,390
+8,982
+46% +$182K 0.01% 529
2023
Q1 		$441K Buy
19,408
+11
+0.1% +$269 0.01% 474
2022
Q4 		$457K Hold
19,397
– – 0.01% 439
2022
Q3 		$506K Hold
19,397
– – 0.02% 370
2022
Q2 		$426K Buy
19,397
+7,592
+64% +$176K 0.01% 418
2022
Q1 		$530K Sell
11,805
-7,610
-39% -$314K 0.02% 380
2021
Q4 		$832K Buy
19,415
+32
+0.2% +$1.67K 0.03% 248
2021
Q3 		$1.29M Buy
19,383
+10
+0.1% +$704 0.04% 152
2021
Q2 		$1.42M Buy
19,373
+8
+0% +$528 0.06% 128
2021
Q1 		$1.33M Buy
19,365
+240
+1% +$18K 0.06% 126
2020
Q4 		$1.28M Sell
19,125
-13,000
-40% -$705K 0.06% 104
2020
Q3 		$1.65M Hold
32,125
– – 0.09% 85
2020
Q2 		$1.21M Buy
32,125
+5,993
+23% +$205K 0.07% 92
2020
Q1 		$779K Buy
26,132
+10,000
+62% +$302K 0.07% 128
2019
Q4 		$554K Buy
+16,132
New +$394K 0.04% 219

Other funds holding CSTL

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
RI
RTW Investments New York $10B AUM 135.35% 1-Year Est. Return
Principal Financial Group
Principal Financial Group Des Moines, Iowa $187B AUM 18.48% 1-Year Est. Return
PCM
Portolan Capital Management Boston, Massachusetts $1.88B AUM 115.74% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
SPPAM
Summit Partners Public Asset Management Boston, Massachusetts $3.72B AUM 162.29% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
Allianz Asset Management
Allianz Asset Management Munich, Germany $95.4B AUM 38.74% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

SignatureFD's CSTL Position: Q1 2026 in Review

SignatureFD held its Castle Biosciences (CSTL) position steady in Q1 2026 at 45 shares worth $1.1K. The position accounts for ﹤0.01% of the portfolio, ranked #3189.

SignatureFD first reported a position in CSTL in Q4 2019 and has held it in 20 quarters since. The position peaked at $1.65M in Q3 2020. 186 funds tracked by Wall St. Rank hold CSTL as of Q1 2026.

  • SignatureFD held 45 shares of Castle Biosciences worth $1.1K as of Q1 2026.
  • SignatureFD left its Castle Biosciences share count unchanged in Q1 2026.
  • Castle Biosciences made up ﹤0.01% of SignatureFD's portfolio in Q1 2026, its #3189 holding.
  • SignatureFD first reported a position in Castle Biosciences in Q4 2019 and has held it in 20 quarters since.
  • SignatureFD's Castle Biosciences position peaked at $1.65M in Q3 2020.
  • 186 funds tracked by Wall St. Rank held Castle Biosciences as of Q1 2026.

Based on SignatureFD's 13F filing for Q1 2026, filed 7 Apr 2026.