QUINSTREET INC (QNST) Institutional Shareholders
QUINSTREET INC (QNST) is currently reported in institutional portfolios tracked by InsiderSet based on the latest available SEC Form 13F filings for the quarter ended June 30, 2026. The institutional investors covered on this page collectively reported approximately $771.92M in QNST holdings during the latest filing period.
Blackrock, Inc. is currently the largest disclosed institutional shareholder of QNST tracked by InsiderSet, reporting ownership valued at approximately $160.80M in its June 30, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $193.95M, representing an estimated gain of +20.61% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 58% of the total disclosed QNST value among the investors covered in this analysis. Major shareholders include Blackrock, Inc., Private Capital Management, Llc, Aqr Capital Management Llc, and several other long-term asset managers with concentrated positions in QUINSTREET INC (QNST).
This page ranks the largest institutional QNST shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
206
Total Reported Value
$771.92M
Largest Holder
Blackrock, Inc.
Largest Position
$160.80M
Insider Transactions (90d)
22
Latest Filing Quarter
Q2 2026
New Institutional Positions
52
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Blackrock, Inc. | 0.00% | 10,976,422 | $160,804,584 | $193,953,377 | +$33,148,793 | +20.61% | |
| Private Capital Management, Llc | 6.24% | 4,699,512 | $68,847,851 | $83,040,377 | +$14,192,526 | +20.61% | |
| Aqr Capital Management Llc | 0.01% | 2,521,654 | $36,942,231 | $44,557,626 | +$7,615,395 | +20.61% | |
| Vanguard Capital Management Llc | 0.00% | 2,433,346 | $35,648,519 | $42,997,224 | +$7,348,705 | +20.61% | |
| State Street Corp | 0.00% | 2,248,840 | $32,945,506 | $39,737,003 | +$6,791,497 | +20.61% | |
| Goldman Sachs Group Inc | 0.00% | 2,028,249 | $29,713,848 | $35,839,160 | +$6,125,312 | +20.61% | |
| Royce & Associates Lp | 0.20% | 1,716,828 | $25,151,530 | $30,336,351 | +$5,184,821 | +20.61% | |
| Geode Capital Management, Llc | 0.00% | 1,449,125 | $21,233,271 | $25,606,039 | +$4,372,768 | +20.59% | |
| Dimensional Fund Advisors Lp | 0.00% | 1,390,499 | $20,370,623 | $24,570,117 | +$4,199,494 | +20.62% | |
| Vanguard Portfolio Management Llc | 0.00% | 1,310,488 | $19,198,649 | $23,156,323 | +$3,957,674 | +20.61% | |
| Lazard Asset Management Llc | 0.03% | 1,204,068 | $17,639,596 | $21,275,882 | +$3,636,286 | +20.61% | |
| Jacobs Levy Equity Management, Inc | 0.06% | 1,148,269 | $16,822,141 | $20,289,913 | +$3,467,772 | +20.61% | |
| Jacobs Asset Management, Llc | 10.48% | 950,000 | $13,917,500 | $16,786,500 | +$2,869,000 | +20.61% | |
| Millennium Management Llc | 0.01% | 927,602 | $13,589,369 | $16,390,727 | +$2,801,358 | +20.61% | |
| Newedge Wealth, Llc | 0.12% | 829,840 | $12,157,156 | $14,663,273 | +$2,506,117 | +20.61% | |
| Nuveen, Llc | 0.00% | 759,053 | $11,120,127 | $13,412,467 | +$2,292,340 | +20.61% | |
| Morgan Stanley | 0.00% | 698,685 | $10,235,738 | $12,345,764 | +$2,110,026 | +20.61% | |
| Thompson Siegel & Walmsley Llc | 0.18% | 673,016 | $9,860,000 | $11,892,193 | +$2,032,193 | +20.61% | |
| Northern Trust Corp | 0.00% | 644,482 | $9,441,661 | $11,387,997 | +$1,946,336 | +20.61% | |
| Heartland Advisors Inc | 0.39% | 600,000 | $8,790,000 | $10,602,000 | +$1,812,000 | +20.61% | |
| D. E. Shaw & Co., Inc. | 0.01% | 586,231 | $8,588,284 | $10,358,702 | +$1,770,418 | +20.61% | |
| Bnp Paribas Financial Markets | 0.00% | 576,043 | $8,439,030 | $10,178,680 | +$1,739,650 | +20.61% | |
| Charles Schwab Investment Management Inc | 0.00% | 560,585 | $8,212,570 | $9,905,537 | +$1,692,967 | +20.61% | |
| Mill Road Capital Management Llc | 3.75% | 518,879 | $7,601,577 | $9,168,592 | +$1,567,015 | +20.61% | |
| Algert Global Llc | 0.09% | 500,476 | $7,331,973 | $8,843,411 | +$1,511,438 | +20.61% | |
| Ubs Group Ag | 0.00% | 435,883 | $6,385,686 | $7,702,053 | +$1,316,367 | +20.61% | |
| Principal Financial Group Inc | 0.00% | 422,297 | $6,186,651 | $7,461,988 | +$1,275,337 | +20.61% | |
| Vanguard Fiduciary Trust Co | 0.00% | 405,877 | $5,946,098 | $7,171,847 | +$1,225,749 | +20.61% | |
| Nordea Investment Management Ab | 0.00% | 351,775 | $5,132,397 | $6,215,864 | +$1,083,467 | +21.11% | |
| Arrowstreet Capital, Limited Partnership | 0.00% | 346,859 | $5,081,484 | $6,128,999 | +$1,047,515 | +20.61% | |
| Invesco Ltd. | 0.00% | 331,636 | $4,858,468 | $5,860,008 | +$1,001,540 | +20.61% | |
| Bank Of New York Mellon Corp | 0.00% | 321,398 | $4,708,480 | $5,679,103 | +$970,623 | +20.61% | |
| Qube Research & Technologies Ltd | 0.00% | 296,955 | $4,350,391 | $5,247,195 | +$896,804 | +20.61% | |
| Pacer Advisors, Inc. | 0.01% | 271,673 | $3,980,000 | $4,800,462 | +$820,462 | +20.61% | |
| Citadel Advisors Llc | 0.00% | 263,435 | $3,859,323 | $4,654,896 | +$795,573 | +20.61% | |
| Mackenzie Financial Corp | 0.00% | 247,280 | $3,622,652 | $4,369,438 | +$746,786 | +20.61% | |
| Hsbc Holdings Plc | 0.00% | 238,834 | $3,510,860 | $4,220,197 | +$709,337 | +20.20% | |
| Jump Financial, Llc | 0.03% | 224,654 | $3,291,180 | $3,969,636 | +$678,456 | +20.61% | |
| Bessemer Group Inc | 0.00% | 212,367 | $3,111,000 | $3,752,525 | +$641,525 | +20.62% | |
| Quantinno Capital Management Lp | 0.00% | 203,604 | $2,982,799 | $3,597,683 | +$614,884 | +20.61% | |
| Blair William & Co/Il | 0.01% | 202,149 | $2,961,488 | $3,571,973 | +$610,485 | +20.61% | |
| Public Sector Pension Investment Board | 0.01% | 197,338 | $2,891,002 | $3,486,962 | +$595,960 | +20.61% | |
| Bank Of America Corp | 0.00% | 195,131 | $2,858,669 | $3,447,965 | +$589,296 | +20.61% | |
| Captrust Financial Advisors | 0.00% | 190,798 | $2,795,191 | $3,371,401 | +$576,210 | +20.61% | |
| Horizon Investments, Llc | 0.03% | 64,846 | $2,527,697 | $1,145,829 | -$1,381,868 | -54.67% | |
| Cerity Partners Llc | 0.00% | 172,331 | $2,524,651 | $3,045,089 | +$520,438 | +20.61% | |
| Victory Capital Management Inc | 0.00% | 163,271 | $2,391,920 | $2,884,999 | +$493,079 | +20.61% | |
| Sg Americas Securities, Llc | 0.00% | 159,444 | $2,336,000 | $2,817,375 | +$481,375 | +20.61% | |
| Xtx Topco Ltd | 0.03% | 158,748 | $2,325,658 | $2,805,077 | +$479,419 | +20.61% | |
| Hillsdale Investment Management Inc. | 0.05% | 156,000 | $2,285,400 | $2,756,520 | +$471,120 | +20.61% |
Frequently asked questions about QNST
Who owns the most QNST stock?
The largest holders of QNST are typically major institutional investors such as asset managers and hedge funds reporting on Form 13F. The table above ranks tracked superinvestors by reported position size using the latest available filings for QUINSTREET INC (QNST).
Is QNST widely held by superinvestors?
Many widely followed stocks like QNST appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly QNST is represented among the institutional managers we track.
What do “Current Estimated Value”, “Gain/loss Since Filing”, and “Estimated Portfolio Performance” mean?
Current Estimated Value is reported share quantity from the latest 13F times our most recent split-adjusted U.S. session close. Gain/loss Since Filing is that estimate minus the reported 13F dollar value; Estimated Portfolio Performance is that difference as a percent of the reported value. Green means the estimate is above the filing value; red means below (not purchase cost). If many filers share the same implied filing price per share, the performance % may match across rows. These are not official fund marks or live quotes.