Simplex Trading
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Simplex Trading’s Definitive Healthcare DH Stock Holding History

Simplex Trading’s Portfolio DH Stock Details DH Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$56 Sell
46
-1,250
-96% -$2.17K ﹤0.01% 8901
2025
Q4 		$3.72K Sell
1,296
-1,629
-56% -$4.52K ﹤0.01% 7577
2025
Q3 		$11K Sell
2,925
-2,417
-45% -$9.65K ﹤0.01% 7806
2025
Q2 		$20K Buy
5,342
+2,954
+124% +$9.31K ﹤0.01% 6753
2025
Q1 		$6K Buy
2,388
+1,342
+128% +$5.45K ﹤0.01% 7427
2024
Q4 		$4K Buy
1,046
+849
+431% +$3.71K ﹤0.01% 7718
2024
Q3 		$0 Sell
197
-411
-68% -$1.93K ﹤0.01% 8695
2024
Q2 		$3K Buy
+608
New +$3.83K ﹤0.01% 8098
2024
Q1 		– Sell
-2,098
Closed -$18.6K – 9028
2023
Q4 		$20K Buy
2,098
+2,041
+3,581% +$16K ﹤0.01% 6924
2023
Q3 		$0 Sell
57
-1,735
-97% -$17.4K ﹤0.01% 8872
2023
Q2 		$19K Sell
1,792
-1,398
-44% -$14.4K ﹤0.01% 6818
2023
Q1 		$32K Buy
+3,190
New +$37.6K ﹤0.01% 6421
2022
Q3 		– Sell
-209
Closed -$4.6K – 10076
2022
Q2 		$4K Buy
+209
New +$4.47K ﹤0.01% 8944

Other funds holding DH

AI
Advent International Boston, Massachusetts $4.24B AUM 4.24% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
D.E. Shaw & Co
D.E. Shaw & Co New York $166B AUM 43.98% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
AQR Capital Management
AQR Capital Management Greenwich, Connecticut $218B AUM 29.41% 1-Year Est. Return
Millennium Management
Millennium Management New York $240B AUM 35.51% 1-Year Est. Return

Simplex Trading's DH Position: Q1 2026 in Review

Simplex Trading reduced its Definitive Healthcare (DH) stake by 96% in Q1 2026, selling an estimated $2.17K and leaving 46 shares worth $56. The position accounts for ﹤0.01% of the portfolio, ranked #8901.

Simplex Trading first reported a position in DH in Q2 2022 and has held it in 13 quarters since. The position peaked at $32K in Q1 2023. 119 funds tracked by Wall St. Rank hold DH as of Q1 2026.

  • Simplex Trading held 46 shares of Definitive Healthcare worth $56 as of Q1 2026.
  • Simplex Trading sold 1,250 Definitive Healthcare shares in Q1 2026, an estimated $2.17K.
  • Definitive Healthcare made up ﹤0.01% of Simplex Trading's portfolio in Q1 2026, its #8901 holding.
  • Simplex Trading first reported a position in Definitive Healthcare in Q2 2022 and has held it in 13 quarters since.
  • Simplex Trading's Definitive Healthcare position peaked at $32K in Q1 2023.
  • 119 funds tracked by Wall St. Rank held Definitive Healthcare as of Q1 2026.

Based on Simplex Trading's 13F filing for Q1 2026, filed 14 May 2026.