PDF SOLUTIONS INC (PDFS): Ownership & Insider Activity
Hedge funds and institutional managers reporting a position in PDFS · Information Technology. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.
Reported Holders
14
13F filers
Aggregate Value
$127.2M
Across holders
Last Price
$44.06
2026-08-24
Sector
Information Technology
GICS
Quarterly fund activity8 increased6 reduced1 exited
Full exits: VOLORIDGE INVESTMENT MANAGEMENT, LLC
| Manager⇅ | Type⇅ | Shares⇅ | Market Value▼ | % of Total⇅ | % of Portfolio⇅ | Action⇅ | QoQ Change⇅ | Quarter⇅ |
|---|---|---|---|---|---|---|---|---|
| Point72 Asset Management, L.P. CIK 0001603466 | Hedge Fund | 599K | $42.4M | 33.3% | 0.0% | Added | — | Q2 2026 |
| BAILLIE GIFFORD & CO CIK 0001088875 | Institutional Manager | 345K | $24.5M | 19.2% | 0.0% | Added | — | Q2 2026 |
| ArrowMark Colorado Holdings LLC CIK 0001483859 | Hedge Fund | 275K | $19.4M | 15.3% | 0.8% | Reduced | $-5.8M | Q2 2026 |
| Rockefeller Capital Management L.P. CIK 0001739439 | Hedge Fund | 182K | $12.9M | 10.2% | 0.0% | Added | +$12.9M | Q2 2026 |
| Squarepoint Ops LLC CIK 0001642575 | Hedge Fund | 95K | $6.7M | 5.3% | 0.0% | Reduced | $-2.5M | Q2 2026 |
| CITADEL ADVISORS LLC CIK 0001423053 | Hedge Fund | 84K | $6.0M | 4.7% | 0.0% | Added | +$3.5M | Q2 2026 |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP CIK 0001164508 | Hedge Fund | 67K | $4.7M | 3.7% | 0.0% | Added | — | Q2 2026 |
| MILLENNIUM MANAGEMENT LLC CIK 0001273087 | Hedge Fund | 46K | $3.3M | 2.6% | 0.0% | Added | — | Q2 2026 |
| AQR CAPITAL MANAGEMENT LLC CIK 0001167557 | Hedge Fund | 46K | $3.2M | 2.5% | 0.0% | Reduced | +$3.1M | Q2 2026 |
| Fisher Asset Management, LLC CIK 0000850529 | Institutional Manager | 31K | $2.2M | 1.7% | 0.0% | Reduced | $-1.5M | Q2 2026 |
Added
Hedge Fund
$42.4M· 33.3% of total· 0.0% port· 599K sh· — QoQ· Q2 2026
Added
Institutional Manager
$24.5M· 19.2% of total· 0.0% port· 345K sh· — QoQ· Q2 2026
Reduced
Hedge Fund
$19.4M· 15.3% of total· 0.8% port· 275K sh· $-5.8M QoQ· Q2 2026
Added
Hedge Fund
$12.9M· 10.2% of total· 0.0% port· 182K sh· +$12.9M QoQ· Q2 2026
Reduced
Hedge Fund
$6.7M· 5.3% of total· 0.0% port· 95K sh· $-2.5M QoQ· Q2 2026
Added
Hedge Fund
$6.0M· 4.7% of total· 0.0% port· 84K sh· +$3.5M QoQ· Q2 2026
Added
Hedge Fund
$4.7M· 3.7% of total· 0.0% port· 67K sh· — QoQ· Q2 2026
Added
Hedge Fund
$3.3M· 2.6% of total· 0.0% port· 46K sh· — QoQ· Q2 2026
Reduced
Hedge Fund
$3.2M· 2.5% of total· 0.0% port· 46K sh· +$3.1M QoQ· Q2 2026
Reduced
Institutional Manager
$2.2M· 1.7% of total· 0.0% port· 31K sh· $-1.5M QoQ· Q2 2026
Reduced
Hedge Fund
$671K· 0.5% of total· 0.0% port· 9K sh· $-54K QoQ· Q2 2026
Reduced
Hedge Fund
$515K· 0.4% of total· 0.0% port· 7K sh· $-814K QoQ· Q2 2026
Added
Hedge Fund
$396K· 0.3% of total· 0.0% port· 6K sh· — QoQ· Q2 2026
Added
Hedge Fund
$340K· 0.3% of total· 0.0% port· 5K sh· — QoQ· Q2 2026
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