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Dynamic Technology Lab’s Bio-Rad Laboratories Class A BIO Stock Holding History

Dynamic Technology Lab’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
2025
Q4 		– Sell
-3,301
Closed -$926K – 770
2025
Q3 		$926K Buy
+3,301
New +$898K 0.16% 207
2023
Q4 		– Sell
-1,837
Closed -$658K – 1049
2023
Q3 		$658K Buy
1,837
+285
+18% +$110K 0.07% 401
2023
Q2 		$588K Sell
1,552
-1,354
-47% -$551K 0.07% 450
2023
Q1 		$1.39M Buy
+2,906
New +$1.36M 0.13% 273
2022
Q2 		– Sell
-887
Closed -$500K – 1146
2022
Q1 		$500K Sell
887
-1,128
-56% -$680K 0.06% 583
2021
Q4 		$1.52M Buy
+2,015
New +$1.51M 0.17% 160
2021
Q3 		– Sell
-499
Closed -$322K – 1097
2021
Q2 		$322K Sell
499
-342
-41% -$208K 0.03% 761
2021
Q1 		$480K Buy
+841
New +$498K 0.05% 580
2020
Q4 		– Sell
-410
Closed -$211K – 993
2020
Q3 		$211K Sell
410
-300
-42% -$152K 0.03% 794
2020
Q2 		$321K Sell
710
-151
-18% -$66.6K 0.05% 645
2020
Q1 		$302K Buy
+861
New +$317K 0.06% 578
2019
Q2 		– Sell
-1,575
Closed -$481K – 971
2019
Q1 		$481K Sell
1,575
-1,242
-44% -$335K 0.08% 451
2018
Q4 		$654K Buy
2,817
+1,070
+61% +$287K 0.11% 294
2018
Q3 		$547K Sell
1,747
-1,371
-44% -$426K 0.08% 472
2018
Q2 		$900K Buy
3,118
+481
+18% +$133K 0.14% 222
2018
Q1 		$660K Sell
2,637
-619
-19% -$158K 0.1% 365
2017
Q4 		$777K Buy
+3,256
New +$789K 0.14% 229
2017
Q3 		– Sell
-1,618
Closed -$366K – 1043
2017
Q2 		$366K Buy
1,618
+272
+20% +$59.3K 0.07% 582
2017
Q1 		$268K Buy
+1,346
New +$259K 0.06% 653
2014
Q3 		– Sell
-2,417
Closed -$289K – 640
2014
Q2 		$289K Buy
+2,417
New +$295K 0.14% 327

Other funds holding BIO

First Eagle Investment Management
First Eagle Investment Management New York $59B AUM 32.99% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
AI
Ariel Investments Chicago, Illinois $8.93B AUM 29.58% 1-Year Est. Return
EARNEST Partners
EARNEST Partners Atlanta, Georgia $24.3B AUM 34.41% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
VAM
Veritas Asset Management London, United Kingdom $5.9B AUM 3.19% 1-Year Est. Return
Capital Research Global Investors
Capital Research Global Investors Los Angeles, California $645B AUM 30.41% 1-Year Est. Return
Bank of America
Bank of America Charlotte, North Carolina $1.37T AUM 24.88% 1-Year Est. Return

Dynamic Technology Lab's BIO Position: Q4 2025 in Review

Dynamic Technology Lab sold out of Bio-Rad Laboratories Class A (BIO) in Q4 2025, closing a stake of 3,301 shares — an estimated $926K sold.

Dynamic Technology Lab first reported a position in BIO in Q2 2014 and held it in 20 quarters. The position peaked at $1.52M in Q4 2021. 396 funds tracked by Wall St. Rank hold BIO as of Q4 2025.

  • Dynamic Technology Lab reported no remaining Bio-Rad Laboratories Class A position as of Q4 2025 after selling out during the quarter.
  • Dynamic Technology Lab sold 3,301 Bio-Rad Laboratories Class A shares in Q4 2025, an estimated $926K.
  • Dynamic Technology Lab first reported a position in Bio-Rad Laboratories Class A in Q2 2014 and held it in 20 quarters.
  • Dynamic Technology Lab's Bio-Rad Laboratories Class A position peaked at $1.52M in Q4 2021.
  • 396 funds tracked by Wall St. Rank held Bio-Rad Laboratories Class A as of Q4 2025.

Based on Dynamic Technology Lab's 13F filing for Q4 2025, filed 13 Feb 2026.