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Brandywine Global Investment Management’s Bio-Rad Laboratories Class A BIO Stock Holding History

Brandywine Global Investment Management’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 		$4.67M Buy
15,415
+12,262
+389% +$3.83M 0.03% 377
2025
Q3 		$884K Buy
+3,153
New +$858K 0.01% 552
2025
Q2 		– Sell
-14,234
Closed -$3.47M – 580
2025
Q1 		$3.47M Sell
14,234
-290
-2% -$87.2K 0.03% 411
2024
Q4 		$4.77M Sell
14,524
-785
-5% -$266K 0.03% 370
2024
Q3 		$5.22M Buy
+15,309
New +$4.86M 0.03% 401
2023
Q4 		– Sell
-13,046
Closed -$4.68M – 694
2023
Q3 		$4.68M Sell
13,046
-1,003
-7% -$387K 0.04% 381
2023
Q2 		$5.33M Sell
14,049
-1,703
-11% -$693K 0.04% 366
2023
Q1 		$7.55M Buy
+15,752
New +$7.37M 0.06% 296
2022
Q2 		– Sell
-24,299
Closed -$13.7M – 726
2022
Q1 		$13.7M Sell
24,299
-610
-2% -$368K 0.1% 189
2021
Q4 		$18.8M Sell
24,909
-463
-2% -$346K 0.13% 160
2021
Q3 		$18.9M Sell
25,372
-1,204
-5% -$902K 0.14% 157
2021
Q2 		$17.1M Sell
26,576
-915
-3% -$557K 0.13% 174
2021
Q1 		$15.7M Buy
27,491
+7,688
+39% +$4.55M 0.12% 203
2020
Q4 		$11.5M Sell
19,803
-106
-0.5% -$60.4K 0.1% 223
2020
Q3 		$10.3M Sell
19,909
-795
-4% -$403K 0.1% 193
2020
Q2 		$9.35M Buy
20,704
+201
+1% +$88.7K 0.1% 198
2020
Q1 		$7.19M Sell
20,503
-242
-1% -$89K 0.09% 200
2019
Q4 		$7.72M Sell
20,745
-901
-4% -$318K 0.05% 299
2019
Q3 		$7.2M Buy
21,646
+471
+2% +$154K 0.05% 306
2019
Q2 		$6.62M Buy
21,175
+21,151
+88,129% +$6.33M 0.05% 347
2019
Q1 		$8K Hold
24
– – ﹤0.01% 796
2018
Q4 		$6K Buy
24
+10
+71% +$2.68K ﹤0.01% 785
2018
Q3 		$5K Buy
+14
New +$4.34K ﹤0.01% 814

Other funds holding BIO

First Eagle Investment Management
First Eagle Investment Management New York $60.8B AUM 26.63% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 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
AI
Ariel Investments Chicago, Illinois $10B AUM 42.59% 1-Year Est. Return
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
VAM
Veritas Asset Management London, United Kingdom $5.56B AUM 3.46% 1-Year Est. Return
Capital Research Global Investors
Capital Research Global Investors Los Angeles, California $717B AUM 35.42% 1-Year Est. Return
Bank of America
Bank of America Charlotte, North Carolina $1.55T AUM 33.47% 1-Year Est. Return

Brandywine Global Investment Management's BIO Position: Q4 2025 in Review

Brandywine Global Investment Management increased its Bio-Rad Laboratories Class A (BIO) stake by 389% in Q4 2025, buying an estimated $3.83M and bringing the position to 15,415 shares worth $4.67M. The position accounts for 0.03% of the portfolio, ranked #377.

Brandywine Global Investment Management first reported a position in BIO in Q3 2018 and has held it in 23 quarters since. The position peaked at $18.9M in Q3 2021. 399 funds tracked by Wall St. Rank hold BIO as of Q4 2025.

  • Brandywine Global Investment Management held 15,415 shares of Bio-Rad Laboratories Class A worth $4.67M as of Q4 2025.
  • Brandywine Global Investment Management bought 12,262 Bio-Rad Laboratories Class A shares in Q4 2025, an estimated $3.83M.
  • Bio-Rad Laboratories Class A made up 0.03% of Brandywine Global Investment Management's portfolio in Q4 2025, its #377 holding.
  • Brandywine Global Investment Management first reported a position in Bio-Rad Laboratories Class A in Q3 2018 and has held it in 23 quarters since.
  • Brandywine Global Investment Management's Bio-Rad Laboratories Class A position peaked at $18.9M in Q3 2021.
  • 399 funds tracked by Wall St. Rank held Bio-Rad Laboratories Class A as of Q4 2025.

Based on Brandywine Global Investment Management's 13F filing for Q4 2025, filed 11 Feb 2026.