Citadel Advisors
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Citadel Advisors’s Certara CERT Stock Holding History

Citadel Advisors’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
Q2 		$7.16M Sell
1,093,243
-3,452,605
-76% -$19.5M ﹤0.01% 4112
2026
Q1 		$25.9M Buy
4,545,848
+1,355,236
+42% +$10.3M ﹤0.01% 2014
2025
Q4 		$28.1M Buy
3,190,612
+2,035,801
+176% +$21M ﹤0.01% 1974
2025
Q3 		$14.1M Buy
1,154,811
+495,918
+75% +$5.42M ﹤0.01% 2764
2025
Q2 		$7.71M Buy
658,893
+167,259
+34% +$1.98M ﹤0.01% 3410
2025
Q1 		$4.87M Sell
491,634
-1,120,073
-69% -$13.6M ﹤0.01% 3916
2024
Q4 		$17.2M Buy
1,611,707
+1,295,640
+410% +$14.1M ﹤0.01% 2334
2024
Q3 		$3.7M Buy
316,067
+291,243
+1,173% +$3.84M ﹤0.01% 4436
2024
Q2 		$344K Sell
24,824
-28,044
-53% -$461K ﹤0.01% 8872
2024
Q1 		$945K Sell
52,868
-1,847
-3% -$31.9K ﹤0.01% 7033
2023
Q4 		$962K Sell
54,715
-27,457
-33% -$402K ﹤0.01% 6763
2023
Q3 		$1.19M Buy
+82,172
New +$1.38M ﹤0.01% 6205
2023
Q1 		– Sell
-13,164
Closed -$260K – 14777
2022
Q4 		$212K Sell
13,164
-26,889
-67% -$390K ﹤0.01% 10028
2022
Q3 		$532K Buy
+40,053
New +$740K ﹤0.01% 8324
2022
Q2 		– Sell
-48,190
Closed -$951K – 12965
2022
Q1 		$1.03M Sell
48,190
-120,147
-71% -$2.89M ﹤0.01% 7611
2021
Q4 		$4.78M Buy
168,337
+147,768
+718% +$4.97M ﹤0.01% 4363
2021
Q3 		$681K Buy
+20,569
New +$621K ﹤0.01% 9135
2021
Q1 		– Sell
-313,972
Closed -$10.4M – 13193
2020
Q4 		$10.6M Buy
+313,972
New +$11.5M ﹤0.01% 2572

Other funds holding CERT

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
DM
Deerfield Management New York $9.59B AUM 113.36% 1-Year Est. Return
HIM
Haveli Investment Management Austin, Texas $180M AUM
JFG
Jefferies Financial Group New York $15.2B AUM 55.75% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
WA
Wasatch Advisors Salt Lake City, Utah $15.3B AUM 25.06% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Citadel Advisors's CERT Position: Q2 2026 in Review

Citadel Advisors reduced its Certara (CERT) stake by 76% in Q2 2026, selling an estimated $19.5M and leaving 1,093,243 shares worth $7.16M. The position accounts for ﹤0.01% of the portfolio, ranked #4112.

Citadel Advisors first reported a position in CERT in Q4 2020 and has held it in 18 quarters since. The position peaked at $28.1M in Q4 2025. 242 funds tracked by Wall St. Rank hold CERT as of Q2 2026.

  • Citadel Advisors held 1,093,243 shares of Certara worth $7.16M as of Q2 2026.
  • Citadel Advisors sold 3,452,605 Certara shares in Q2 2026, an estimated $19.5M.
  • Certara made up ﹤0.01% of Citadel Advisors's portfolio in Q2 2026, its #4112 holding.
  • Citadel Advisors first reported a position in Certara in Q4 2020 and has held it in 18 quarters since.
  • Citadel Advisors's Certara position peaked at $28.1M in Q4 2025.
  • 242 funds tracked by Wall St. Rank held Certara as of Q2 2026.

Based on Citadel Advisors's 13F filing for Q2 2026, filed 14 Aug 2026.