Fund Insights
Common Fund Bets
See what stocks and ETFs funds are collectively bullish/bearish on
Largest Fund Trades
Explore the largest stock and ETF buys and sells made by funds
High Conviction Trades
Discover high conviction trades that caused a significant change in a fund's stake in a stock
Fund Manager Portfolios
Gain insights from the world’s largest funds and super investors
WSR Indexes
Fund Manager Index
Stock index based on fund manager consensus updated each quarter
Search
Sign in
Sign up
DFCM
Dark Forest Capital Management’s
Bio-Rad Laboratories Class A
BIO
Stock Holding History
Dark Forest Capital 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
2026
Q1
$932K
Buy
+3,344
New
+$963K
0.08%
391
2025
Q4
–
Sell
-2,308
Closed
-$647K
–
987
2025
Q3
$647K
Sell
2,308
-2,287
-50%
-$622K
0.02%
862
2025
Q2
$1.11M
Buy
+4,595
New
+$1.09M
0.04%
702
2024
Q4
–
Sell
-655
Closed
-$219K
–
952
2024
Q3
$219K
Buy
+655
New
+$208K
0.03%
831
2023
Q2
–
Sell
-126
Closed
-$60.4K
–
1058
2023
Q1
$60.4K
Buy
126
+116
+1,160%
+$54.3K
0.01%
804
2022
Q4
$4.21K
Buy
+10
New
+$4.04K
﹤0.01%
889
2022
Q2
–
Sell
-33
Closed
-$18K
–
911
2022
Q1
$18K
Buy
33
+20
+154%
+$12.1K
﹤0.01%
807
2021
Q4
$10K
Buy
13
+9
+225%
+$6.74K
﹤0.01%
916
2021
Q3
$3K
Buy
+4
New
+$3K
﹤0.01%
1141
Other funds holding BIO
First Eagle Investment Management
New York
$59B AUM
32.99%
1-Year Est. Return
BlackRock
New York
$5.7T AUM
30.48%
1-Year Est. Return
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
Atlanta, Georgia
$24.3B AUM
34.41%
1-Year Est. Return
State Street
Boston, Massachusetts
$2.9T AUM
29.55%
1-Year Est. Return
Capital World Investors
Los Angeles, California
$733B AUM
35.63%
1-Year Est. Return
Bank of America
Charlotte, North Carolina
$1.37T AUM
24.88%
1-Year Est. Return
Sign up
Sign in
Fund Insights
Common Fund Bets
See what stocks and ETFs funds are collectively bullish/bearish on
Largest Fund Trades
Explore the largest stock and ETF buys and sells made by funds
High Conviction Trades
Discover high conviction trades that caused a significant change in a fund's stake in a stock
Fund Manager Portfolios
Gain insights from the world’s largest funds and super investors
WSR Indexes
Fund Manager Index
Stock index based on fund manager consensus updated each quarter
Theme
Close