Comparable stake leader
BlackRock, Inc.
SEC ownership of QUINSTREET, INC
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001117297.
Disclosed value leader
BlackRock, Inc.
Comparable rows
2/50
Latest evidence
10 Nov 2026
- Public ticker
- QNST on Nasdaq
- Parsed ownership sources
-
13D/G, 13F, and 3/4/5
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
- Largest SEC-reported holder
-
BlackRock, Inc.
Ranking: Comparable ownership first, then disclosed value
- Comparable ownership rows
-
2 of 50
Meaning: Rows with safely comparable ownership %
- Latest 13D/G holder
-
BlackRock, Inc.
Source: Latest parsed Schedule 13D/G stake
- Latest parsed ownership date
-
10 Nov 2026
Freshness: Most recent filing date in this holder set
- Issuer CIK
- 0001117297
- Issuer location
- Foster City, CA
Ownership snapshot
CIK-linked ownership evidence from parsed SEC filings.
3 signals
Issuer
Names, identifiers, and filing context for this profile.
2 identity fields
Ownership snapshot
Top shareholders of QUINSTREET, INC (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
BlackRock, Inc.
Disclosed value leader
BlackRock, Inc.
Comparable rows
2/50
Latest evidence
10 Nov 2026
13D/G
13F
3/4/5
Lead comparable stake: 15%
48 rows are not safely comparable across share classes.
13D/G row: BlackRock, Inc.
Showing 1-8 of 50 holder rows.
Quick read
BlackRock, Inc. leads the comparable SEC ownership view at 15%.
2 of 50 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens BlackRock, Inc.'s linked filing trail.
Comparable ownership
Top 2
BlackRock, Inc.
15%
THRIVENT FINANCIAL FOR LUTHERANS
4.8%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-8 of 50 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| BlackRock, Inc. |
13D/G
|
15%
Reported 13D/G
· 31 Mar 2025
|
$142,200,697
8,229,207 shares
|
-$29,796,924 | 31 Mar 2025 |
| THRIVENT FINANCIAL FOR LUTHERANS |
13D/G
13F
Company
|
4.8%
Reported 13D/G
· 30 Sep 2024
|
$46,442,557
2,687,648 shares
|
$0 | 30 Sep 2024 |
| VANGUARD CAPITAL MANAGEMENT LLC |
13F
Company
|
—
denominator unverified
|
$35,790,069
2,384,415 shares
|
— | 30 Sep 2026 |
| STATE STREET CORP |
13F
Company
|
—
denominator unverified
|
$32,635,132
2,174,226 shares
|
— | 30 Sep 2026 |
| Douglas Valenti |
3/4/5
Chief Executive Officer, Director
|
—
denominator unverified
|
$27,976,372
1,863,849 shares
|
-$15,408,436 | 10 Nov 2026 |
| DIMENSIONAL FUND ADVISORS LP |
13F
Company
|
—
denominator unverified
|
$24,016,152
1,600,214 shares
|
— | 30 Sep 2026 |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP |
13F
Company
|
—
denominator unverified
|
$23,943,802
1,595,190 shares
|
— | 30 Sep 2026 |
| ROYCE & ASSOCIATES LP |
13F
Company
|
—
denominator unverified
|
$23,514,441
1,566,585 shares
|
— | 30 Sep 2026 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Forms 3/4/5 flow
Insider trading overview
Net insider flow leans to selling over the last 12 months. Net value: -$17,423,897.
Buys
$0
Insiders: 0
Sells
$17,423,897
Insiders: 3
Net
-$17,423,897
Shares: -862,026
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 0
Shares: 862,026
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 21,704 | $0 | $442,230 | -$442,230 |
| 3-6 | 0 | 840,322 | $0 | $16,981,667 | -$16,981,667 |
| 6-9 | 0 | 0 | $0 | $0 | $0 |
| 9-12 | 0 | 0 | $0 | $0 | $0 |
Reporting owners
Insider holders from Forms 3/4/5
Showing 1-11 of 11 reporting-owner rows connected to QUINSTREET, INC. Open a relationship link for the CIK-to-CIK filing trail.
Rows
11
Largest Forms 3/4/5 holder
Douglas Valenti
Net 12M change
-$17.42M
Full value: -$17,423,897 · USD · 12-month changeLatest report
10 Nov 2026
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Douglas Valenti | Chief Executive Officer, Director | $27,976,372 | -$15,408,436 | -36% | Median | 10 Nov 2026 |
| Gregory Wong | Cfo | $7,035,307 | -$1,191,461 | -14% | Median | 10 Nov 2026 |
| David J. Pauldine | Director | $2,930,311 | Median | 29 Oct 2026 | ||
| Stuart Huizinga | Director | $2,856,703 | Median | 29 Oct 2026 | ||
| Matthew Glickman | Director | $2,124,470 | Median | 29 Oct 2026 | ||
| James R. Simons | Director | $1,936,709 | Median | 29 Oct 2026 | ||
| Sheehan Andrew T. | Director | $1,339,461 | Median | 29 Oct 2026 | ||
| Hillary B. Smith | Director | $1,137,277 | Median | 29 Oct 2026 | ||
| Anna Liao Fieler | Director | $750,999 | Mixed | 27 Oct 2023 | ||
| Robin Josephs | Director | $716,902 | Mixed | 14 Sep 2021 | ||
| Asmau Ahmed | Director | $501,904 | -$824,000 | -62% | Median | 29 Oct 2026 |
Recent insider transactions for QUINSTREET, INC
Showing up to 300 recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | SEC-reported value | SEC-reported price | Shares | Shares owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Gregory Wong | QNST | Common Stock | Tax liability | -2.71% | -13,078 | 468,708 | 10 Nov 2026 | Direct | ||
| Douglas Valenti | QNST | Common Stock | Gift | 3.79% | 40,830 | 1,118,763 | 10 Nov 2026 | by Trust | ||
| Douglas Valenti | QNST | Common Stock | Gift | -5.24% | -40,830 | 738,183 | 10 Nov 2026 | Direct | ||
| Douglas Valenti | QNST | Common Stock | Tax liability | -5.15% | -42,295 | 779,013 | 10 Nov 2026 | Direct | ||
| Hillary B. Smith | QNST | Common Stock | Award | 13.2% | 8,459 | 72,418 | 29 Oct 2026 | Direct | ||
| James R. Simons | QNST | Common Stock | Award | 11.2% | 8,459 | 84,187 | 29 Oct 2026 | Direct | ||
| Sheehan Andrew T. | QNST | Common Stock | Gift | 18% | 9,938 | 65,156 | 29 Oct 2026 | by Trust | ||
| Sheehan Andrew T. | QNST | Common Stock | Gift | -54% | -9,938 | 8,459 | 29 Oct 2026 | Direct | ||
| Sheehan Andrew T. | QNST | Common Stock | Award | 85.1% | 8,459 | 18,397 | 29 Oct 2026 | Direct | ||
| David J. Pauldine | QNST | Common Stock | Award | 85.1% | 8,459 | 18,397 | 29 Oct 2026 | Direct | ||
| Stuart Huizinga | QNST | Common Stock | Award | 4.65% | 8,459 | 190,320 | 29 Oct 2026 | Direct | ||
| Matthew Glickman | QNST | Common Stock | Award | 6.87% | 8,459 | 131,537 | 29 Oct 2026 | Direct | ||
| Asmau Ahmed | QNST | Common Stock | Award | 33.9% | 8,459 | 33,438 | 29 Oct 2026 | Direct | ||
| Gregory Wong | QNST | Common Stock | Sale | -2.37% | -$239,230 | $20.44 | -11,704 | 481,786 | 18 Aug 2026 | Direct |
| Asmau Ahmed | QNST | Common Stock | Sale | -28.6% | -$203,000 | $20.30 | -10,000 | 24,979 | 17 Aug 2026 | Direct |
| Asmau Ahmed | QNST | Common Stock | Sale | -30% | -$312,750 | $20.85 | -15,000 | 34,979 | 14 Aug 2026 | Direct |
| Asmau Ahmed | QNST | Common Stock | Sale | -16.7% | -$204,300 | $20.43 | -10,000 | 49,979 | 12 Aug 2026 | Direct |
| Asmau Ahmed | QNST | Common Stock | Sale | -7.69% | -$103,950 | $20.79 | -5,000 | 59,979 | 11 Aug 2026 | Direct |
| Gregory Wong | QNST | Common Stock | Tax liability | -5.44% | -28,393 | 493,490 | 10 Aug 2026 | Direct | ||
| Douglas Valenti | QNST | Common Stock | Gift | 8.2% | 81,655 | 1,077,933 | 10 Aug 2026 | by Trust | ||
| Douglas Valenti | QNST | Common Stock | Gift | -9.04% | -81,655 | 821,308 | 10 Aug 2026 | Direct | ||
| Douglas Valenti | QNST | Common Stock | Tax liability | -8.57% | -84,595 | 902,963 | 10 Aug 2026 | Direct | ||
| Gregory Wong | QNST | Common Stock | Sale | -4.8% | -$528,287 | $20.09 | -26,296 | 521,883 | 07 Aug 2026 | Direct |
| Douglas Valenti | QNST | Common Stock | Sale | -43% | -$15,408,436 | $20.50 | -751,631 | 996,278 | 07 Aug 2026 | by Trust |
| Gregory Wong | QNST | Common Stock | Award | 40.4% | 157,835 | 548,179 | 29 Jul 2026 | Direct | ||
| Douglas Valenti | QNST | Common Stock | Award | 66.3% | 393,802 | 987,558 | 29 Jul 2026 | Direct | ||
| David J. Pauldine | QNST | Common Stock | Gift | 176,827 | 176,827 | 06 Jul 2026 | by Trust | |||
| David J. Pauldine | QNST | Common Stock | Gift | -94.7% | -176,827 | 9,938 | 06 Jul 2026 | Direct | ||
| Gregory Wong | QNST | Common Stock | Sale | -2.58% | -$155,070 | $15.00 | -10,338 | 390,344 | 01 Jul 2026 | Direct |
| Gregory Wong | QNST | Common Stock | Sale | -5.22% | -$268,875 | $12.19 | -22,057 | 400,682 | 15 Jun 2026 | Direct |
| Gregory Wong | QNST | Common Stock | Tax liability | -1.75% | -7,541 | 422,739 | 10 May 2026 | Direct | ||
| Douglas Valenti | QNST | Common Stock | Gift | 2.04% | 34,997 | 1,747,909 | 10 May 2026 | by Trust | ||
| Douglas Valenti | QNST | Common Stock | Gift | -5.57% | -34,997 | 593,756 | 10 May 2026 | Direct | ||
| Douglas Valenti | QNST | Common Stock | Tax liability | -5.45% | -36,253 | 628,753 | 10 May 2026 | Direct | ||
| Gregory Wong | QNST | Common Stock | Tax liability | -1.87% | -8,187 | 430,280 | 10 Feb 2026 | Direct | ||
| Douglas Valenti | QNST | Common Stock | Gift | 2.7% | 45,088 | 1,712,912 | 10 Feb 2026 | By Trust | ||
| Douglas Valenti | QNST | Common Stock | Gift | -6.35% | -45,088 | 665,006 | 10 Feb 2026 | Direct | ||
| Douglas Valenti | QNST | Common Stock | Tax liability | -3.55% | -26,162 | 710,094 | 10 Feb 2026 | Direct | ||
| Douglas Valenti | QNST | Common Stock | Gift | -10.9% | -204,900 | 1,667,824 | 15 Jan 2026 | by Trust | ||
| Douglas Valenti | QNST | Common Stock | Gift | -0.43% | -8,500 | 1,972,724 | 17 Dec 2025 | by Trust | ||
| Douglas Valenti | QNST | Common Stock | Gift | -0.09% | -1,800 | 1,981,224 | 16 Dec 2025 | by Trust | ||
| Douglas Valenti | QNST | Common Stock | Gift | -0.09% | -1,800 | 1,983,024 | 15 Dec 2025 | by Trust | ||
| Douglas Valenti | QNST | Common Stock | Gift | -0.04% | -750 | 1,984,824 | 17 Nov 2025 | by Trust |
* marks a reported price that did not pass the local price check.