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
Jane Street’s
Certara
CERT
Stock Holding History
Jane Street’s Portfolio
CERT Stock Details
CERT Fund Activity
Bought
Maintained
Sold
Quarter
Market Value
Status
Shares
Change in
Stake
Trade Value
Portfolio Weight
Portfolio Position
2026
Q1
$7.31M
Buy
+1,281,858
New
+$9.78M
0.01%
2954
2025
Q3
–
Hold
0
–
–
–
10885
2025
Q2
–
Sell
-277,054
Closed
-$3.28M
–
9759
2025
Q1
$2.74M
Buy
277,054
+40,463
+17%
+$491K
﹤0.01%
3852
2024
Q4
$2.52M
Buy
236,591
+89,198
+61%
+$969K
﹤0.01%
3716
2024
Q3
$1.73M
Buy
147,393
+3,732
+3%
+$49.3K
﹤0.01%
4780
2024
Q2
$1.99M
Buy
143,661
+9,001
+7%
+$148K
﹤0.01%
4480
2024
Q1
$2.41M
Buy
134,660
+34,867
+35%
+$602K
﹤0.01%
3805
2023
Q4
$1.76M
Buy
+99,793
New
+$1.46M
﹤0.01%
4568
2023
Q3
–
Sell
-14,357
Closed
-$241K
–
8697
2023
Q2
$261K
Buy
+14,357
New
+$303K
﹤0.01%
7326
2022
Q4
–
Sell
-22,394
Closed
-$297K
–
9230
2022
Q3
$297K
Sell
22,394
-179,570
-89%
-$3.32M
﹤0.01%
7607
2022
Q2
$4.33M
Buy
201,964
+169,594
+524%
+$3.35M
0.01%
2881
2022
Q1
$695K
Buy
32,370
+22,413
+225%
+$539K
﹤0.01%
6858
2021
Q4
$283K
Sell
9,957
-87,838
-90%
-$2.95M
﹤0.01%
8268
2021
Q3
$3.24M
Buy
97,795
+87,878
+886%
+$2.65M
0.01%
3509
2021
Q2
$281K
Buy
+9,917
New
+$275K
﹤0.01%
8257
2021
Q1
–
Sell
-99,583
Closed
-$3.31M
–
9127
2020
Q4
$3.36M
Buy
+99,583
New
+$3.65M
0.01%
2665
Other funds holding CERT
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
DM
Deerfield Management
New York
$8.48B AUM
99.04%
1-Year Est. Return
JFG
Jefferies Financial Group
New York
$8.2B AUM
40.95%
1-Year Est. Return
VPM
Vanguard Portfolio Management
Malvern, Pennsylvania
$1.91T AUM
VCM
Vanguard Capital Management
Malvern, Pennsylvania
$4.04T AUM
WA
Wasatch Advisors
Salt Lake City, Utah
$15.3B AUM
25.06%
1-Year Est. Return
ACH
ArrowMark Colorado Holdings
Denver, Colorado
$3.76B AUM
21.77%
1-Year Est. Return
Citadel Advisors
Miami, Florida
$141B AUM
30.34%
1-Year Est. Return
State Street
Boston, Massachusetts
$2.9T AUM
29.55%
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