DOSSIER · 13F Holders · Q1 2026Technology · Services-Business Services, NEC
QNST

QUINSTREET INC

228 institutions still hold QUINSTREET INC as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 74874Q100·Services-Business Services, NEC·228 13F holders·last filed Mar 31, 2026
Market cap
13F value held
$465M
visible holders
Holders
228
filers reporting
Concentration
27.22%
BlackRock, Inc. #1
top holder share
AI Holders Summary · Q1 2026

228 institutions reported QNST in Q1 2026. BlackRock, Inc. leads at 27.2% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
BlackRock, Inc.
CIK 0002012383
$127M10.6M0.00%Q1 2026
02
Private Capital Management, LLC
CIK 0001588456
$53M4.4M5.28%Q1 2026
03
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$29M2.4M0.00%Q1 2026
04
STATE STREET CORP
CIK 0000093751
$26M2.2M0.00%Q1 2026
05
AQR CAPITAL MANAGEMENT LLC
CIK 0001167557
$25M2.1M0.01%Q1 2026
06
GOLDMAN SACHS GROUP INC
CIK 0000886982
$19M1.6M0.00%Q1 2026
07
ROYCE & ASSOCIATES LP
CIK 0000906304
$19M1.6M0.19%Q1 2026
08
D. E. Shaw & Co., Inc.
CIK 0001009207
$19M1.3M0.01%Q4 2025
09
LAZARD ASSET MANAGEMENT LLC
CIK 0001207017
$17M1.4M0.03%Q1 2026
10
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$16M1.4M0.00%Q1 2026
11
Vanguard Portfolio Management
CIK 0002100121· Index
$16M1.3M0.00%Q1 2026
12
DIMENSIONAL FUND ADVISORS LP
CIK 0000354204· Quasi-passive
$14M1.2M0.00%Q1 2026
13
JACOBS ASSET MANAGEMENT, LLC
CIK 0001351063
$14M1.1M8.15%Q1 2026
14
JACOBS LEVY EQUITY MANAGEMENT, INC
CIK 0000884414
$11M947K0.05%Q1 2026
15
Nuveen, LLC
CIK 0001871926
$11M936K0.00%Q1 2026
16
MORGAN STANLEY
CIK 0000895421
$11M893K0.00%Q1 2026
17
NewEdge Wealth, LLC
CIK 0001861796
$11M889K0.13%Q1 2026
18
Qube Research & Technologies Ltd
CIK 0001729829
$10M830K0.01%Q1 2026
19
MARSHALL WACE, LLP
CIK 0001318757
$10M668K0.01%Q4 2025
20
NORTHERN TRUST CORP
CIK 0000073124· Index
$8M628K0.00%Q1 2026
Page 1 of 12
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Insiders at QUINSTREET INC
Pauldine David JWong GregoryValenti DouglasAhmed AsmauGlickman Matthew