FPA
BIO icon

First Pacific Advisors’s Bio-Rad Laboratories Class A BIO Stock Holding History

First Pacific Advisors’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
Q1 		$114M Buy
407,358
+5,901
+1% +$1.7M 1.59% 21
2025
Q4 		$122M Buy
401,457
+7,043
+2% +$2.2M 1.6% 24
2025
Q3 		$111M Buy
394,414
+7,465
+2% +$2.03M 1.53% 23
2025
Q2 		$93.4M Buy
386,949
+14,394
+4% +$3.4M 1.34% 24
2025
Q1 		$90.7M Buy
372,555
+214,705
+136% +$64.6M 1.45% 22
2024
Q4 		$51.9M Sell
157,850
-27
-0% -$9.16K 0.74% 30
2024
Q3 		$52.8M Sell
157,877
-2,675
-2% -$850K 0.73% 31
2024
Q2 		$43.8M Buy
160,552
+55,813
+53% +$16.2M 0.59% 34
2024
Q1 		$36.2M Buy
104,739
+99,873
+2,052% +$32.8M 0.51% 33
2023
Q4 		$1.57M Buy
+4,866
New +$1.53M 0.02% 57
2015
Q4 		– Sell
-1,500
Closed -$201K – 112
2015
Q3 		$201K Hold
1,500
– – ﹤0.01% 127
2015
Q2 		$226K Sell
1,500
-218,700
-99% -$31.3M ﹤0.01% 108
2015
Q1 		$29.8M Sell
220,200
-5,200
-2% -$645K 0.25% 65
2014
Q4 		$27.2M Hold
225,400
– – 0.22% 66
2014
Q3 		$25.6M Hold
225,400
– – 0.21% 74
2014
Q2 		$27M Hold
225,400
– – 0.22% 76
2014
Q1 		$28.9M Sell
225,400
-2,900
-1% -$372K 0.25% 73
2013
Q4 		$28.2M Sell
228,300
-75,400
-25% -$9.19M 0.27% 70
2013
Q3 		$35.7M Sell
303,700
-600
-0.2% -$70.8K 0.37% 64
2013
Q2 		$34.1M Buy
+304,300
New +$35.7M 0.36% 66

Other funds holding BIO

First Eagle Investment Management
First Eagle Investment Management New York $59B AUM 32.99% 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
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
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
Capital World Investors
Capital World Investors Los Angeles, California $733B AUM 35.63% 1-Year Est. Return
Bank of America
Bank of America Charlotte, North Carolina $1.37T AUM 24.88% 1-Year Est. Return

First Pacific Advisors's BIO Position: Q1 2026 in Review

First Pacific Advisors increased its Bio-Rad Laboratories Class A (BIO) stake by 1.5% in Q1 2026, buying an estimated $1.7M and bringing the position to 407,358 shares worth $114M. The position accounts for 1.59% of the portfolio, ranked #21.

First Pacific Advisors first reported a position in BIO in Q2 2013 and has held it in 20 quarters since. The position peaked at $122M in Q4 2025. 391 funds tracked by Wall St. Rank hold BIO as of Q1 2026.

  • First Pacific Advisors held 407,358 shares of Bio-Rad Laboratories Class A worth $114M as of Q1 2026.
  • First Pacific Advisors bought 5,901 Bio-Rad Laboratories Class A shares in Q1 2026, an estimated $1.7M.
  • Bio-Rad Laboratories Class A made up 1.59% of First Pacific Advisors's portfolio in Q1 2026, its #21 holding.
  • First Pacific Advisors first reported a position in Bio-Rad Laboratories Class A in Q2 2013 and has held it in 20 quarters since.
  • First Pacific Advisors's Bio-Rad Laboratories Class A position peaked at $122M in Q4 2025.
  • 391 funds tracked by Wall St. Rank held Bio-Rad Laboratories Class A as of Q1 2026.

Based on First Pacific Advisors's 13F filing for Q1 2026, filed 14 May 2026.