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Optiver Holding B.V.

Position in QNST — Quinstreet, Inc

CIK 1859606 AMSTERDAM, P7

Position in QNST

as of Jun 30, 2026 · filed Aug 12, 2026
Position Value
$4,424
+$3,296 QoQ
Shares Held
302
+221.3% QoQ
Ownership
0.001%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#182
of 215 holders
Holding Since
Sep 2025
3 quarters on record
Voting authority Sole 0% Shared 100% None 0%

Common Shares in QNST Over Time

Shares Held

Position Value (USD)

Position in Advertising Agencies

Communication Services · as of Jun 30, 2026

Optiver Holding B.V. holds $5,887,143 across 12 Advertising Agencies names. QNST ranks #6 (0.1% of the industry book) .

# Ticker Company Shares Value (USD) Open
6 QNST
Quinstreet, Inc
This page
302 $4,424

All Filings in QNST

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3 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $4,424 302
2026-03-31 $1,128 94
2025-09-30 $835 54