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MARSHALL WACE, LLP

Position in OPRX — OptimizeRx Corp

CIK 1318757 LONDON, X0

Position in OPRX

as of Jun 30, 2026 · filed Aug 13, 2026
Position Value
$927,703
+$731,228 QoQ
Shares Held
162,186
+418.4% QoQ
Ownership
0.861%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#16
of 112 holders
Holding Since
Mar 2020
18 quarters on record
Voting authority Sole 0% Shared 100% None 0%

Common Shares in OPRX Over Time

Shares Held

Position Value (USD)

Position in Health Information Services

Healthcare · as of Jun 30, 2026

MARSHALL WACE, LLP holds $350,929,770 across 24 Health Information Services names. OPRX ranks #16 (0.3% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in OPRX

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18 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $927,703 162,186
2026-03-31 $196,475 31,286
2025-12-31 $243,054 19,825
2025-09-30 $725,843 35,407
2025-06-30 $1,511,608 111,971
2025-03-31 $2,174,837 251,136
2024-12-31 $653,406 134,446
2024-06-30 $457,480 45,748
2023-09-30 $288,824 37,124
2023-06-30 $1,602,366 112,132
2023-03-31 $1,277,623 87,329
2022-12-31 $1,073,318 63,888
2022-09-30 $876,558 59,147
2022-03-31 $673,953 17,872
2021-12-31 $4,978,985 80,164
2021-06-30 $428,905 6,929
2021-03-31 $5,228,730 107,256
2020-03-31 $33,503 3,698