Ticker · CUSIP 74874Q100

QNST

QUINSTREET INC

Communication Services·Advertising Agencies

···Share

Holders (tracked)

Combined shares

3,913,629

Combined value

$56.24M

Last close

$12.75

Quarter

2025Q4

Price is -11.3% vs the avg quarter-end implied price across tracked holders.

Price · 1Y$12.75-3.32 (-20.66%)H $18.96 · L $10.56 · Avg Vol 656K

Tracked holders · last 8 quarters

+2 vs previous quarter over the last 8.

SEC event timeline

18 events

Ken Griffin (Citadel Advisors) trimmed2026-02-17
−17,923 shares · 2025Q4
Position
D.E. Shaw & Co. added2026-02-17
+429,228 shares · 2025Q4
Position
Izzy Englander (Millennium Mgmt) trimmed2026-02-17
−1,182,402 shares · 2025Q4
Position
Steve Cohen (Point72) opened position2026-02-17
+168,885 shares · 2025Q4
Position
T. Rowe Price added2026-02-17
+1,391 shares · 2025Q4
Position
Paul Tudor Jones (Tudor Investment) opened position2026-02-17
+113,378 shares · 2025Q4
Position
AQR Capital Management added2026-02-17
+91,963 shares · 2025Q4
Position
Two Sigma Investments trimmed2026-02-17
−89,374 shares · 2025Q4
Position
Renaissance Technologies added2026-02-12
+159,200 shares · 2025Q4
Position
First Eagle Investment Management trimmed2026-02-04
−211,000 shares · 2025Q4
Position
Paul Tudor Jones (Tudor Investment) exited2025-12-09
−340,615 shares · 2025Q3
Position
Izzy Englander (Millennium Mgmt) added2025-11-14
+295,680 shares · 2025Q3
Position
Two Sigma Investments added2025-11-14
+66,120 shares · 2025Q3
Position
AQR Capital Management added2025-11-14
+353,817 shares · 2025Q3
Position
D.E. Shaw & Co. added2025-11-14
+341,655 shares · 2025Q3
Position
T. Rowe Price added2025-11-14
+2,473 shares · 2025Q3
Position
Renaissance Technologies added2025-11-13
+90,800 shares · 2025Q3
Position
First Eagle Investment Management trimmed2025-11-12
−265,000 shares · 2025Q3
Position

Insider activity

No insider transactions in the last 30 days.

View full insider history for QNST →

Follow-the-investor returns

If you'd copied each holder of QNST…

Cost basis inferred from each manager's quarter-over-quarter position changes. Sorted by % return on the position they're still holding.

Investor	First in	Cost basis	Return	Position value today
Steve Cohen (Point72)	2023Q2	$14.16	-9.9%	$2.2M
T. Rowe Price	2023Q2	$14.26	-10.6%	$397K
Renaissance Technologies	2016Q1	$14.52	-12.2%	$4.8M
First Eagle Investment Management	2021Q2	$14.68	-13.2%	$3.2M
D.E. Shaw & Co.	2016Q1	$15.07	-15.4%	$16.5M
Two Sigma Investments	2016Q1	$15.44	-17.4%	$169K
Paul Tudor Jones (Tudor Investment)	2021Q1	$15.93	-19.9%	$1.4M
Izzy Englander (Millennium Mgmt)	2016Q4	$16.22	-21.4%	$6.4M
Ken Griffin (Citadel Advisors)	2017Q3	$16.33	-21.9%	$2.5M
AQR Capital Management	2016Q1	$16.44	-22.4%	$12.3M

Who moved on this name in 2025Q4

Position changes reported for the latest quarter, grouped by direction.

New positions2

Steve Cohen (Point72)
+168,885
$2.4M
Paul Tudor Jones (Tudor Investment)
+113,378
$1.6M

Added to4

D.E. Shaw & Co.
+429,228
$6.2M
Renaissance Technologies
+159,200
$2.3M
AQR Capital Management
+91,963
$1.3M
T. Rowe Price
+1,391
$20

Trimmed4

Izzy Englander (Millennium Mgmt)
−1,182,402
$17.0M
First Eagle Investment Management
−211,000
$3.0M
Two Sigma Investments
−89,374
$1.3M
Ken Griffin (Citadel Advisors)
−17,923
$258K

Exited0

—

Institutional ownership over time

Distinct super-investors holding this ticker · combined dollar value, by quarter.

Quarter	Holders	Shares	Combined value	Δ holders
2022Q1	9	9,660,218	$112.1M	—
2022Q2	6	10,123,889	$101.8M	-3
2022Q3	7	9,896,541	$103.9M	+1
2022Q4	9	9,647,339	$138.4M	+2
2023Q1	9	9,506,341	$150.9M	—
2023Q2	11	10,252,072	$90.5M	+2
2023Q3	12	9,980,550	$89.5M	+1
2023Q4	9	11,214,680	$143.8M	-3
2024Q1	8	10,352,783	$182.8M	-1
2024Q2	10	10,349,720	$171.7M	+2
2024Q3	9	2,240,430	$42.9M	-1
2024Q4	9	1,648,571	$38.0M	—
2025Q1	9	2,370,229	$42.3M	—
2025Q2	10	4,243,070	$68.3M	+1
2025Q3	8	4,450,283	$68.8M	-2
2025Q4	10	3,913,629	$56.2M	+2

Who owns QNST

10 super-investors · 2025Q4

Tracked stake

3.91M

Combined value

$56M

% of shares outstanding

—

shares-out unknown

Quarter action mix

New2Added4Trim4

#	Manager	Shares	Value	% of book	Last action
1	D.E. Shaw & Co.	1.30M	$19M	0.0%	Added+429.2K
2	AQR Capital Management	967.3K	$14M	0.0%	Added+92.0K
3	Izzy Englander Millennium Mgmt	499.7K	$7M	0.0%	Trim−1.18M
4	Renaissance Technologies	375.9K	$5M	0.0%	Added+159.2K
5	First Eagle Investment Management	249.9K	$4M	0.0%	Trim−211.0K
6	Ken Griffin Citadel Advisors	199.1K	$3M	0.0%	Trim−17.9K
7	Steve Cohen Point72	168.9K	$2M	0.0%	New+168.9K
8	Paul Tudor Jones Tudor Investment	113.4K	$2M	0.0%	New+113.4K
9	T. Rowe Price	31.1K	$448K	0.0%	Added+1.4K
10	Two Sigma Investments	13.2K	$190K	0.0%	Trim−89.4K

Recent moves

20 transactions

TRIMKen Griffin (Citadel Advisors)
−17,923 · 2025Q4
NEWSteve Cohen (Point72)
+168,885 · 2025Q4
ADDT. Rowe Price
+1,391 · 2025Q4
TRIMIzzy Englander (Millennium Mgmt)
−1,182,402 · 2025Q4
ADDAQR Capital Management
+91,963 · 2025Q4
TRIMTwo Sigma Investments
−89,374 · 2025Q4
ADDD.E. Shaw & Co.
+429,228 · 2025Q4
NEWPaul Tudor Jones (Tudor Investment)
+113,378 · 2025Q4
ADDRenaissance Technologies
+159,200 · 2025Q4
TRIMFirst Eagle Investment Management
−211,000 · 2025Q4
SOLDPaul Tudor Jones (Tudor Investment)
−340,615 · 2025Q3
ADDD.E. Shaw & Co.
+341,655 · 2025Q3
ADDAQR Capital Management
+353,817 · 2025Q3
ADDTwo Sigma Investments
+66,120 · 2025Q3
ADDIzzy Englander (Millennium Mgmt)
+295,680 · 2025Q3
ADDT. Rowe Price
+2,473 · 2025Q3
ADDRenaissance Technologies
+90,800 · 2025Q3
TRIMFirst Eagle Investment Management
−265,000 · 2025Q3
NEWTwo Sigma Investments
+36,500 · 2025Q2
ADDT. Rowe Price
+3,854 · 2025Q2

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