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Private Trust Company’s Bio-Rad Laboratories Class A BIO Stock Holding History

Private Trust Company’s Portfolio BIO Stock Details BIO Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$9.98K Buy
34
+4
+13% +$1.14K ﹤0.01% 2078
2026
Q1 		$8.36K Hold
30
– – ﹤0.01% 2035
2025
Q4 		$9.09K Buy
30
+10
+50% +$3.12K ﹤0.01% 1973
2025
Q3 		$5.61K Sell
20
-7
-26% -$1.91K ﹤0.01% 2117
2025
Q2 		$6.39K Sell
27
-6
-18% -$1.42K ﹤0.01% 1967
2025
Q1 		$8.04K Hold
33
– – ﹤0.01% 1873
2024
Q4 		$10.8K Sell
33
-3
-8% -$1.02K ﹤0.01% 1730
2024
Q3 		$12K Hold
36
– – ﹤0.01% 1651
2024
Q2 		$9.83K Hold
36
– – ﹤0.01% 1690
2024
Q1 		$12.5K Sell
36
-37
-51% -$12.2K ﹤0.01% 1592
2023
Q4 		$23.6K Buy
73
+12
+20% +$3.76K ﹤0.01% 1341
2023
Q3 		$21.9K Sell
61
-5
-8% -$1.93K ﹤0.01% 1325
2023
Q2 		$25K Sell
66
-7
-10% -$2.85K ﹤0.01% 1282
2023
Q1 		$35K Buy
73
+3
+4% +$1.4K ﹤0.01% 1114
2022
Q4 		$29K Buy
70
+4
+6% +$1.61K ﹤0.01% 1156
2022
Q3 		$28K Buy
66
+46
+230% +$22.9K ﹤0.01% 1089
2022
Q2 		$10K Buy
+20
New +$10.4K ﹤0.01% 1482

Other funds holding BIO

First Eagle Investment Management
First Eagle Investment Management New York $60.8B AUM 26.63% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
AI
Ariel Investments Chicago, Illinois $10B AUM 42.59% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
EARNEST Partners
EARNEST Partners Atlanta, Georgia $27.7B AUM 52.44% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return
Bank of America
Bank of America Charlotte, North Carolina $1.55T AUM 33.47% 1-Year Est. Return
Capital World Investors
Capital World Investors Los Angeles, California $846B AUM 46.74% 1-Year Est. Return

Private Trust Company's BIO Position: Q2 2026 in Review

Private Trust Company increased its Bio-Rad Laboratories Class A (BIO) stake by 13% in Q2 2026, buying an estimated $1.14K and bringing the position to 34 shares worth $9.98K. The position accounts for ﹤0.01% of the portfolio, ranked #2078.

Private Trust Company first reported a position in BIO in Q2 2022 and has held it in 17 quarters since. The position peaked at $35K in Q1 2023. 400 funds tracked by Wall St. Rank hold BIO as of Q2 2026.

  • Private Trust Company held 34 shares of Bio-Rad Laboratories Class A worth $9.98K as of Q2 2026.
  • Private Trust Company bought 4 Bio-Rad Laboratories Class A shares in Q2 2026, an estimated $1.14K.
  • Bio-Rad Laboratories Class A made up ﹤0.01% of Private Trust Company's portfolio in Q2 2026, its #2078 holding.
  • Private Trust Company first reported a position in Bio-Rad Laboratories Class A in Q2 2022 and has held it in 17 quarters since.
  • Private Trust Company's Bio-Rad Laboratories Class A position peaked at $35K in Q1 2023.
  • 400 funds tracked by Wall St. Rank held Bio-Rad Laboratories Class A as of Q2 2026.

Based on Private Trust Company's 13F filing for Q2 2026, filed 28 Jul 2026.