Janus Henderson Group
CERT icon

Janus Henderson Group’s Certara CERT Stock Holding History

Janus Henderson Group’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 		$325K Hold
57,014
– – ﹤0.01% 2181
2025
Q4 		$502K Hold
57,014
– – ﹤0.01% 2018
2025
Q3 		$697K Hold
57,014
– – ﹤0.01% 1851
2025
Q2 		$667K Hold
57,014
– – ﹤0.01% 1802
2025
Q1 		$565K Hold
57,014
– – ﹤0.01% 1897
2024
Q4 		$607K Hold
57,014
– – ﹤0.01% 1940
2024
Q3 		$667K Sell
57,014
-132,856
-70% -$1.75M ﹤0.01% 1889
2024
Q2 		$2.63M Buy
189,870
+62,471
+49% +$1.03M ﹤0.01% 1128
2024
Q1 		$2.28M Buy
127,399
+3,578
+3% +$61.7K ﹤0.01% 1232
2023
Q4 		$2.18M Buy
123,821
+2,992
+2% +$43.9K ﹤0.01% 1209
2023
Q3 		$1.76M Buy
120,829
+1,930
+2% +$32.4K ﹤0.01% 1260
2023
Q2 		$2.16M Sell
118,899
-504,519
-81% -$10.7M ﹤0.01% 1202
2023
Q1 		$15M Sell
623,418
-158,285
-20% -$3.13M 0.01% 628
2022
Q4 		$12.6M Sell
781,703
-254,481
-25% -$3.69M 0.01% 670
2022
Q3 		$13.8M Buy
1,036,184
+1,001,276
+2,868% +$18.5M 0.01% 762
2022
Q2 		$749K Buy
34,908
+314
+0.9% +$6.2K ﹤0.01% 1508
2022
Q1 		$742K Sell
34,594
-762
-2% -$18.3K ﹤0.01% 1670
2021
Q4 		$1M Buy
35,356
+14,915
+73% +$502K ﹤0.01% 1509
2021
Q3 		$676K Buy
+20,441
New +$617K ﹤0.01% 1481
2021
Q2 		– Sell
-300,000
Closed -$8.19M – 1617
2021
Q1 		$8.19M Sell
300,000
-888,508
-75% -$29.6M ﹤0.01% 925
2020
Q4 		$40.1M Buy
+1,188,508
New +$43.5M 0.02% 595

Other funds holding CERT

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
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 $2.9T AUM 29.55% 1-Year Est. Return

Janus Henderson Group's CERT Position: Q1 2026 in Review

Janus Henderson Group held its Certara (CERT) position steady in Q1 2026 at 57,014 shares worth $325K. The position accounts for ﹤0.01% of the portfolio, ranked #2181.

Janus Henderson Group first reported a position in CERT in Q4 2020 and has held it in 21 quarters since. The position peaked at $40.1M in Q4 2020. 254 funds tracked by Wall St. Rank hold CERT as of Q1 2026.

  • Janus Henderson Group held 57,014 shares of Certara worth $325K as of Q1 2026.
  • Janus Henderson Group left its Certara share count unchanged in Q1 2026.
  • Certara made up ﹤0.01% of Janus Henderson Group's portfolio in Q1 2026, its #2181 holding.
  • Janus Henderson Group first reported a position in Certara in Q4 2020 and has held it in 21 quarters since.
  • Janus Henderson Group's Certara position peaked at $40.1M in Q4 2020.
  • 254 funds tracked by Wall St. Rank held Certara as of Q1 2026.

Based on Janus Henderson Group's 13F filing for Q1 2026, filed 15 May 2026.