Equibles

QNST

Quinstreet, Inc

Company with tickers: QNST

CIK
1117297
CUSIP
74874Q100
Shares Outstanding
57,445,370
13F Activity (30d)
184 filings 179 filers
Holders: 219
Total Value: $636,798,766
Total Shares: 53,022,391
Showing 1–100 of 221 holdings by value · page 1 of 3

Institutional Ownership Trend

25 quarters

Holder Concentration

Across 219 13F filers · Δ vs Dec 31, 2025
Top Holder
19.9%
Jun 2023 → Mar 2026 · range 14.1% – 20.2%
−0.3 pts
Top 5
40.8%
Jun 2023 → Mar 2026 · range 40.8% – 51.9%
−2.2 pts
Top 10
54.6%
Jun 2023 → Mar 2026 · range 54.6% – 70.0%
−1.3 pts
HHI
600
Jun 2023 → Mar 2026 · range 561 – 688
Broadly held −34

Quarterly Activity

vs Dec 31, 2025
New
40
Increased
95
Decreased
66
Sold Out
34
Unchanged
18
Holder count: +6
Institutional value: -16.3%
Shares held: +0.2%

Top Buyers

vs Dec 31, 2025
Institution Added Now Holds Open
Large LAZARD ASSET MANAGEMENT LLC +1,240,667 1,441,113
Mega AQR CAPITAL MANAGEMENT LLC +1,105,985 2,073,318
Large JACOBS LEVY EQUITY MANAGEMENT, INC +253,549 946,760
Small Private Capital Management, LLC +243,456 4,415,402
Mid ROYCE & ASSOCIATES LP +213,941 1,574,293

Top Sellers

vs Dec 31, 2025
Institution Sold Now Holds Open
Large Assenagon Asset Management S.A. −1,056,052 577,199
Mega MILLENNIUM MANAGEMENT LLC −477,579 22,079
Mid Gillson Capital LP −452,952 161,046
Mega D. E. Shaw & Co., Inc. −402,991 892,119
Large Balyasny Asset Management L.P. −362,058 538,206

Top New Positions

vs Dec 31, 2025
Institution Acquired Value (USD) Open
Mega VANGUARD CAPITAL MANAGEMENT LLC 2,419,282 $29,055,576
Mega VANGUARD PORTFOLIO MANAGEMENT LLC 1,333,342 $16,013,437
Mid THOMPSON SIEGEL & WALMSLEY LLC 587,499 $7,055,862
Mid HEARTLAND ADVISORS INC 500,000 $6,005,000
Mega VANGUARD FIDUCIARY TRUST CO 392,806 $4,717,600

Top Sold-Out Positions

vs Dec 31, 2025
Institution Previously Held Last Value (USD) Open
Mega VANGUARD GROUP INC 4,257,710 $61,183,291
Mid BASSWOOD CAPITAL MANAGEMENT, L.L.C. 496,545 $7,135,351
Mid Pacer Advisors, Inc. 284,833 $4,093,050
Large Trexquant Investment LP 252,135 $3,623,179
Mid Ranger Investment Management, L.P. 186,330 $2,677,562
Filter: New 40 Increased 95 Reduced 66 Sold out 34 Unchanged 18
Showing 100 of 221
All Common Calls Puts
Export CSV
Holder Value (USD) % of 13F Shares Open
Mega BlackRock, Inc. $126,705,853 19.90% 10,550,030
Small Private Capital Management, LLC $53,028,978 8.33% 4,415,402
Mega VANGUARD CAPITAL MANAGEMENT LLC $29,055,576 4.56% 2,419,282
Mega STATE STREET CORP $26,050,686 4.09% 2,169,083
Mega AQR CAPITAL MANAGEMENT LLC $24,900,545 3.91% 2,073,318
Mega GOLDMAN SACHS GROUP INC $19,272,133 3.03% 1,604,674
Mid ROYCE & ASSOCIATES LP $18,907,258 2.97% 1,574,293
Large LAZARD ASSET MANAGEMENT LLC $17,307,767 2.72% 1,441,113
Mega GEODE CAPITAL MANAGEMENT, LLC $16,463,139 2.59% 1,370,786
Mega VANGUARD PORTFOLIO MANAGEMENT LLC $16,013,437 2.51% 1,333,342
Mega DIMENSIONAL FUND ADVISORS LP $14,416,021 2.26% 1,200,335
Small JACOBS ASSET MANAGEMENT, LLC $13,622,943 2.14% 1,134,300
Large JACOBS LEVY EQUITY MANAGEMENT, INC $11,370,587 1.79% 946,760
Mega Nuveen, LLC $11,245,983 1.77% 936,385
Mega MORGAN STANLEY $10,720,592 1.68% 892,639
Mega D. E. Shaw & Co., Inc. $10,714,348 1.68% 892,119
Mid NewEdge Wealth, LLC $10,679,952 1.68% 889,255
Large Qube Research & Technologies Ltd $9,971,518 1.57% 830,268
Mega NORTHERN TRUST CORP Bank $7,540,295 1.18% 627,835
Mid THOMPSON SIEGEL & WALMSLEY LLC $7,055,862 1.11% 587,499
Large Assenagon Asset Management S.A. $6,932,159 1.09% 577,199
Mega BNP PARIBAS ARBITRAGE, SA $6,576,315 1.03% 547,570
Large Balyasny Asset Management L.P. $6,463,853 1.02% 538,206
Mega CHARLES SCHWAB INVESTMENT MANAGEMENT INC $6,364,207 1.00% 529,909
Small Mill Road Capital Management LLC $6,231,736 0.98% 518,879
Mid HEARTLAND ADVISORS INC $6,005,000 0.94% 500,000
Mega UBS Group AG $5,648,182 0.89% 470,290
Mega PRINCIPAL FINANCIAL GROUP INC $4,911,248 0.77% 408,930
Mega VANGUARD FIDUCIARY TRUST CO Bank $4,717,600 0.74% 392,806
Large MARSHALL WACE, LLP $4,581,946 0.72% 381,511
Large RENAISSANCE TECHNOLOGIES LLC $4,287,570 0.67% 357,000
Large First Eagle Investment Management, LLC $4,201,986 0.66% 349,874
Mega NORDEA INVESTMENT MANAGEMENT AB $4,192,474 0.66% 349,082
Large MACKENZIE FINANCIAL CORP $4,136,340 0.65% 344,408
Mega Bank of New York Mellon Corp Bank $3,798,484 0.60% 316,277
Mega Invesco Ltd. $3,494,055 0.55% 290,929
Mid ALGERT GLOBAL LLC $3,051,981 0.48% 254,120
Mega ARROWSTREET CAPITAL, LIMITED PARTNERSHIP $2,764,545 0.43% 230,187
Large BESSEMER GROUP INC $2,550,526 0.40% 212,367
Mega CITADEL ADVISORS LLC $2,495,857 0.39% 207,815
Large BLAIR WILLIAM & CO/IL $2,463,779 0.39% 205,144
Large Public Sector Pension Investment Board Pension $2,454,663 0.39% 204,385
Large HRT FINANCIAL LP $2,324,427 0.37% 193,541
Large ACADIAN ASSET MANAGEMENT LLC $2,188,738 0.34% 182,243
Mega BANK OF AMERICA CORP /DE/ Bank $2,154,329 0.34% 179,378
Large CAPTRUST FINANCIAL ADVISORS $2,068,182 0.32% 172,205
Small Jackson Creek Investment Advisors LLC $2,058,610 0.32% 171,408
Large ExodusPoint Capital Management, LP $2,039,129 0.32% 169,786
Mid Gillson Capital LP $1,934,162 0.30% 161,046
Mega RHUMBLINE ADVISERS $1,789,237 0.28% 148,979
Mid OP Asset Management Ltd $1,779,413 0.28% 148,161
Mega VICTORY CAPITAL MANAGEMENT INC $1,763,872 0.28% 146,867
Large FEDERATED HERMES, INC. $1,702,644 0.27% 141,769
Mid Hillsdale Investment Management Inc. $1,614,144 0.25% 134,400
Mega Legal & General Group Plc $1,547,332 0.24% 128,837
Large Quantinno Capital Management LP $1,494,488 0.23% 124,437
Mega HSBC HOLDINGS PLC $1,490,272 0.23% 124,086
Large Squarepoint Ops LLC $1,439,170 0.23% 119,831
Mid EQUITABLE TRUST CO Bank $1,375,925 0.22% 114,565
Mega UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC $1,349,670 0.21% 112,379
Small Wakefield Asset Management LLLP $1,316,872 0.21% 109,648
Mega Swiss National Bank Bank $1,292,276 0.20% 107,600
Large LOS ANGELES CAPITAL MANAGEMENT LLC $1,250,048 0.20% 104,084
Mega AMERIPRISE FINANCIAL INC $1,217,069 0.19% 101,338
Large IEQ CAPITAL, LLC $1,202,068 0.19% 100,089
Mega BARCLAYS PLC $1,192,243 0.19% 99,271
Mega JPMORGAN CHASE & CO $1,176,306 0.18% 97,944
Large Creative Planning $1,075,099 0.17% 89,517
Large SG Americas Securities, LLC Broker-Dealer $1,046,371 0.16% 87,125
Large Russell Investments Group, Ltd. $999,758 0.16% 83,244
Mid MARTINGALE ASSET MANAGEMENT L P $974,251 0.15% 81,120
Mid SEGALL BRYANT & HAMILL, LLC $948,585 0.15% 78,983
Mega Vanguard Global Advisers, LLC $866,641 0.14% 72,160
Mid Jump Financial, LLC $838,298 0.13% 69,800
Large VOYA INVESTMENT MANAGEMENT LLC $806,987 0.13% 67,193
Large Mariner, LLC $805,606 0.13% 67,078
Mid Aquatic Capital Management LLC $784,048 0.12% 65,283
Mega Amundi $781,442 0.12% 65,066
Mega AMERICAN CENTURY COMPANIES INC $776,218 0.12% 64,631
Large CWM, LLC $761,169 0.12% 63,378
Mid Horizon Investments, LLC $720,215 0.11% 59,968
Small Summit Global Investments $711,772 0.11% 59,265
Large PRUDENTIAL FINANCIAL INC $701,143 0.11% 58,380
Mega CANADA PENSION PLAN INVESTMENT BOARD Pension $685,771 0.11% 57,100
Large NOMURA HOLDINGS INC $664,789 0.10% 55,353
Large TEACHER RETIREMENT SYSTEM OF TEXAS Pension $648,816 0.10% 54,023
Mega ALLIANCEBERNSTEIN L.P. $638,871 0.10% 53,195
Large Cerity Partners LLC $635,304 0.10% 52,898
Large Allspring Global Investments Holdings, LLC $624,219 0.10% 51,975
Small GLOBEFLEX CAPITAL L P $612,353 0.10% 50,987
Large State of Tennessee, Department of Treasury $608,834 0.10% 50,694
Mega DEUTSCHE BANK AG\ Bank $606,384 0.10% 50,490
Mega FRANKLIN RESOURCES INC $601,520 0.09% 50,085
Mega CITADEL ADVISORS LLC $593,294 0.09% 49,400
Large MERCER GLOBAL ADVISORS INC /ADV $592,729 0.09% 49,353
Large CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM Pension $585,955 0.09% 48,789
Mid INTECH INVESTMENT MANAGEMENT LLC $567,280 0.09% 47,234
Large KLP KAPITALFORVALTNING AS $566,872 0.09% 47,200
Large CANADA LIFE ASSURANCE Co Insurance $558,525 0.09% 46,505
Mid Engineers Gate Manager LP $542,047 0.09% 45,133
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