Jim Simons
CERT icon

Jim Simons’s Certara CERT Stock Holding History

Jim Simons’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 		$2.02M Buy
354,500
+324,900
+1,098% +$2.48M ﹤0.01% 1889
2025
Q4 		$261K Sell
29,600
-93,020
-76% -$958K ﹤0.01% 2812
2025
Q3 		$1.5M Sell
122,620
-174,180
-59% -$1.91M ﹤0.01% 2257
2025
Q2 		$3.47M Buy
+296,800
New +$3.51M ﹤0.01% 1754
2024
Q4 		– Sell
-113,500
Closed -$1.33M – 3597
2024
Q3 		$1.33M Buy
+113,500
New +$1.5M ﹤0.01% 2279
2023
Q2 		– Sell
-115,900
Closed -$2.79M – 3946
2023
Q1 		$2.79M Buy
115,900
+21,000
+22% +$415K ﹤0.01% 1817
2022
Q4 		$1.52M Buy
94,900
+67,100
+241% +$973K ﹤0.01% 2252
2022
Q3 		$369K Sell
27,800
-2,200
-7% -$40.6K ﹤0.01% 3098
2022
Q2 		$644K Buy
30,000
+18,900
+170% +$373K ﹤0.01% 2995
2022
Q1 		$238K Sell
11,100
-114,000
-91% -$2.74M ﹤0.01% 3571
2021
Q4 		$3.56M Sell
125,100
-54,000
-30% -$1.82M ﹤0.01% 1751
2021
Q3 		$5.93M Buy
179,100
+87,800
+96% +$2.65M 0.01% 1356
2021
Q2 		$2.59M Buy
+91,300
New +$2.54M ﹤0.01% 2075

Other funds holding CERT

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
DM
Deerfield Management New York $8.48B AUM 99.04% 1-Year Est. Return
JFG
Jefferies Financial Group New York $14.6B 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
Citadel Advisors Miami, Florida $618B AUM 30.34% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Jim Simons's CERT Position: Q1 2026 in Review

Jim Simons increased its Certara (CERT) stake by 1,098% in Q1 2026, buying an estimated $2.48M and bringing the position to 354,500 shares worth $2.02M. The position accounts for ﹤0.01% of the portfolio, ranked #1889.

Jim Simons first reported a position in CERT in Q2 2021 and has held it in 13 quarters since. The position peaked at $5.93M in Q3 2021. 256 funds tracked by Wall St. Rank hold CERT as of Q1 2026.

  • Jim Simons held 354,500 shares of Certara worth $2.02M as of Q1 2026.
  • Jim Simons bought 324,900 Certara shares in Q1 2026, an estimated $2.48M.
  • Certara made up ﹤0.01% of Jim Simons's portfolio in Q1 2026, its #1889 holding.
  • Jim Simons first reported a position in Certara in Q2 2021 and has held it in 13 quarters since.
  • Jim Simons's Certara position peaked at $5.93M in Q3 2021.
  • 256 funds tracked by Wall St. Rank held Certara as of Q1 2026.

Based on Renaissance Technologies's 13F filing for Q1 2026, filed 14 May 2026.