Mariner
QNST icon

Mariner’s QuinStreet QNST Stock Holding History

Mariner’s Portfolio QNST Stock Details QNST Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$1.37M Buy
93,724
+26,646
+40% +$334K ﹤0.01% 1722
2026
Q1 		$806K Buy
67,078
+34,401
+105% +$436K ﹤0.01% 2124
2025
Q4 		$470K Buy
32,677
+13,692
+72% +$197K ﹤0.01% 2483
2025
Q3 		$294K Buy
+18,985
New +$301K ﹤0.01% 2830

Other funds holding QNST

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
PCMF
Private Capital Management (Florida) Naples, Florida $1.14B AUM 34.86% 1-Year Est. Return
AQR Capital Management
AQR Capital Management Greenwich, Connecticut $287B AUM 42.33% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return
RA
Royce & Associates New York $12.4B AUM 64.17% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Mariner's QNST Position: Q2 2026 in Review

Mariner increased its QuinStreet (QNST) stake by 40% in Q2 2026, buying an estimated $334K and bringing the position to 93,724 shares worth $1.37M. The position accounts for ﹤0.01% of the portfolio, ranked #1722.

Mariner first reported a position in QNST in Q3 2025 and has held it in 4 quarters since. 215 funds tracked by Wall St. Rank hold QNST as of Q2 2026.

  • Mariner held 93,724 shares of QuinStreet worth $1.37M as of Q2 2026.
  • Mariner bought 26,646 QuinStreet shares in Q2 2026, an estimated $334K.
  • QuinStreet made up ﹤0.01% of Mariner's portfolio in Q2 2026, its #1722 holding.
  • Mariner first reported a position in QuinStreet in Q3 2025 and has held it in 4 quarters since.
  • 215 funds tracked by Wall St. Rank held QuinStreet as of Q2 2026.

Based on Mariner's 13F filing for Q2 2026, filed 13 Aug 2026.