Manulife (Manufacturers Life Insurance)
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Manulife (Manufacturers Life Insurance)’s Castle Biosciences CSTL Stock Holding History

Manulife (Manufacturers Life Insurance)’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 		$305K Buy
12,438
+3,951
+47% +$129K ﹤0.01% 2328
2025
Q4 		$330K Sell
8,487
-1,052
-11% -$33.9K ﹤0.01% 2329
2025
Q3 		$217K Sell
9,539
-777
-8% -$15.8K ﹤0.01% 2536
2025
Q2 		$211K Buy
+10,316
New +$191K ﹤0.01% 2536
2025
Q1 		– Sell
-9,467
Closed -$252K – 2912
2024
Q4 		$252K Sell
9,467
-453
-5% -$13.8K ﹤0.01% 2530
2024
Q3 		$283K Sell
9,920
-202
-2% -$5.14K ﹤0.01% 2498
2024
Q2 		$220K Buy
10,122
+675
+7% +$15K ﹤0.01% 2564
2024
Q1 		$209K Sell
9,447
-503
-5% -$10.9K ﹤0.01% 2577
2023
Q4 		$215K Sell
9,950
-395
-4% -$6.95K ﹤0.01% 2595
2023
Q3 		$175K Hold
10,345
– – ﹤0.01% 2654
2023
Q2 		$142K Buy
10,345
+711
+7% +$14.4K ﹤0.01% 2728
2023
Q1 		$219K Hold
9,634
– – ﹤0.01% 2498
2022
Q4 		$227K Buy
9,634
+139
+1% +$3.22K ﹤0.01% 2487
2022
Q3 		$248K Sell
9,495
-244
-3% -$6.84K ﹤0.01% 2431
2022
Q2 		$214K Buy
9,739
+1,069
+12% +$24.8K ﹤0.01% 2628
2022
Q1 		$389K Sell
8,670
-2,263
-21% -$93.5K ﹤0.01% 2350
2021
Q4 		$469 Buy
10,933
+208
+2% +$10.9K ﹤0.01% 2303
2021
Q3 		$713K Sell
10,725
-1,234
-10% -$86.8K ﹤0.01% 2043
2021
Q2 		$877K Buy
11,959
+3,777
+46% +$249K ﹤0.01% 2072
2021
Q1 		$560K Buy
8,182
+957
+13% +$71.9K ﹤0.01% 2203
2020
Q4 		$485K Buy
7,225
+522
+8% +$28.3K ﹤0.01% 2215
2020
Q3 		$345K Buy
6,703
+396
+6% +$17.6K ﹤0.01% 2196
2020
Q2 		$228K Buy
+6,307
New +$215K ﹤0.01% 2430

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 $204B AUM 27.99% 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

Manulife (Manufacturers Life Insurance)'s CSTL Position: Q1 2026 in Review

Manulife (Manufacturers Life Insurance) increased its Castle Biosciences (CSTL) stake by 47% in Q1 2026, buying an estimated $129K and bringing the position to 12,438 shares worth $305K. The position accounts for ﹤0.01% of the portfolio, ranked #2328.

Manulife (Manufacturers Life Insurance) first reported a position in CSTL in Q2 2020 and has held it in 23 quarters since. The position peaked at $877K in Q2 2021. 186 funds tracked by Wall St. Rank hold CSTL as of Q1 2026.

  • Manulife (Manufacturers Life Insurance) held 12,438 shares of Castle Biosciences worth $305K as of Q1 2026.
  • Manulife (Manufacturers Life Insurance) bought 3,951 Castle Biosciences shares in Q1 2026, an estimated $129K.
  • Castle Biosciences made up ﹤0.01% of Manulife (Manufacturers Life Insurance)'s portfolio in Q1 2026, its #2328 holding.
  • Manulife (Manufacturers Life Insurance) first reported a position in Castle Biosciences in Q2 2020 and has held it in 23 quarters since.
  • Manulife (Manufacturers Life Insurance)'s Castle Biosciences position peaked at $877K in Q2 2021.
  • 186 funds tracked by Wall St. Rank held Castle Biosciences as of Q1 2026.

Based on Manulife (Manufacturers Life Insurance)'s 13F filing for Q1 2026, filed 15 May 2026.