DEFINITIVE HEALTHCARE CORP

Ticker: DH CUSIP: 24477E103 Class: Common Stock

MARSHALL WACE, LLP's Holding History (CIK: 0001318757)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025
Shares 153,438 Value ($000) $440 Avg Close $2.77 Range $2.23 - $4.02
Q3 2025
Shares 20,064 Value ($000) $81 Avg Close $3.99 Range $3.44 - $4.70
Q2 2025
Shares 156,499 Value ($000) $610 Avg Close $3.15 Range $2.15 - $4.34
Q4 2024
Shares 32,282 Value ($000) $133 Avg Close $4.37 Range $4.04 - $4.83
Q3 2024
Shares 12,378 Value ($000) $55 Avg Close $4.69 Range $3.19 - $6.17
Q2 2024
Shares 281,136 Value ($000) $1,535 Avg Close $6.30 Range $4.38 - $8.35
Q3 2023
Shares 84,279 Value ($000) $673 Avg Close $10.05 Range $7.58 - $12.46
Q2 2023
Shares 603,571 Value ($000) $6,639 Avg Close $10.30 Range $8.71 - $11.99
Q1 2023
Shares 809,151 Value ($000) $8,359 Avg Close $11.78 Range $9.42 - $14.03
Q4 2022
Shares 525,463 Value ($000) $5,775 Avg Close $12.86 Range $9.53 - $17.39
Q3 2022
Shares 104,347 Value ($000) $1,620 Avg Close $21.99 Range $15.54 - $30.11
Q2 2022
Shares 25,220 Value ($000) $578 Avg Close $21.39 Range $14.76 - $26.97
Q1 2022
Shares 59,442 Value ($000) $1,464 Avg Close $22.58 Range $18.14 - $28.98
Q3 2021
Shares 7,333 Value ($000) $314 Avg Close $44.39 Range $37.00 - $50.30