Vault-13

PDF SOLUTIONS INC PDFS

COM · Common Stock · CUSIP 693282105 · ISIN US6932821050

Company based in San Jose, California

136 institutional holders
26,234,41126.2m shares reported held*
70.2% of all shares outstanding*
$643.5mreported value*

* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once. Holder counts are more reliable. Shares outstanding: 37.4m as of 2022-11-04, from the company's own SEC filing; the percentage can still exceed 100%: lent-out shares are counted by the lender and the buyer, and some reports overlap without saying so. Implied quarter-end price ≈ $24.53. Options: 1 managers hold calls ($0 notional), 3 hold puts ($274.0k).

Biggest calls

Biggest puts

GROUP ONE TRADING LLC — $270.0k11.0k shares
SIMPLEX TRADING, LLC — $4.0k200 shares
CONCOURSE FINANCIAL GROUP SECURITIES, INC. — $00 shares

Options at notional value: the value of the shares the contracts control, as filers report them, not what the options cost. Not included in the holders, shares or buying above.

Major shareholders (over 5%)

Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.

HolderStakeChangeShares Last filed
KIBARIAN JOHN KACHIG 13G · exempt (held before listing) no change · filed 2026-02-17 6.5% no change 2.6m≈ $181.4m 2026-02-17
WASATCH ADVISORS LP 13G · institution new · filed 2026-10-09 6.3% new 2.6m≈ $187.4m 2026-10-09
NEEDHAM INVESTMENT MANAGEMENT LLC 13G · institution +0.2 pts · filed 2026-05-14 5.1% +0.2 pts 2.0m≈ $143.2m 2026-05-14

Fell to 5% or below in the last year: ADVANTEST CORP (0.0%, 2026-05-27), VANGUARD GROUP INC (0.0%, 2026-03-27)

Insider purchases and sales in Q3 2022

Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.

Officers and directors buying vs selling

Number of people, by quarter (10% owners not included)

BuyingSelling
202Q4 20: 0 buyingQ4 20: 0 sellingQ1 21: 0 buyingQ1 21: 0 sellingQ1 21Q2 21: 0 buyingQ2 21: 0 sellingQ3 21: 0 buyingQ3 21: 0 sellingQ3 21Q4 21: 0 buyingQ4 21: 1 sellingQ1 22: 0 buyingQ1 22: 2 sellingQ1 22Q2 22: 0 buyingQ2 22: 1 sellingQ3 22: 0 buyingQ3 22: 0 sellingQ3 22
Numbers
QuarterBuyingBoughtSellingSoldSold under a plan
Q4 20200—0——
Q1 20210—0——
Q2 20210—0——
Q3 20210—0——
Q4 20210—1$99.0k—
Q1 20220—2$280.9k—
Q2 20220—1$931.3k—
Q3 20220—0——

None reported in Q3 2022.

Holders, Q3 2022

#ManagerLocationShares Value% of their portfolioChangeShares change
1 BlackRock Inc. 0.00% of their portfolio New York, NY 4,577,2624.6m $112.3m $112.3m 0.00% —
2 Invesco Ltd. 0.03% of their portfolio ATLANTA, GA 3,278,3433.3m $80.4m $80.4m 0.03% —
3 VANGUARD GROUP INC 0.00% of their portfolio Valley Forge, PA 2,275,6852.3m $55.8m $55.8m 0.00% —
4 WASATCH ADVISORS LP 0.29% of their portfolio SALT LAKE CITY, UT 1,675,7151.7m $41.1m $41.1m 0.29% —
5 SNYDER CAPITAL MANAGEMENT L P 0.91% of their portfolio San Francisco, CA 1,446,8181.4m $35.5m $35.5m 0.91% —
6 Cowen Prime Advisors LLC 19.89% of their portfolio New York, NY 1,411,6281.4m $34.6m $34.6m 19.89% —
7 Samjo Capital LLC 30.09% of their portfolio NEW YORK, NY 1,005,0001.0m $24.6m $24.6m 30.09% —
8 STATE STREET CORP 0.00% of their portfolio BOSTON, MA 989,917989.9k $24.3m $24.3m 0.00% —
9 DIMENSIONAL FUND ADVISORS LP 0.01% of their portfolio AUSTIN, TX 937,257937.3k $23.0m $23.0m 0.01% —
10 WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC 0.08% of their portfolio CHICAGO, IL 835,261835.3k $20.5m $20.5m 0.08% —
11 NEEDHAM INVESTMENT MANAGEMENT LLC 3.80% of their portfolio NEW YORK, NY 790,000790.0k $19.4m $19.4m 3.80% —
12 GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio BOSTON, MA 532,968533.0k $13.1m $13.1m 0.00% —
13 MORGAN STANLEY 0.00% of their portfolio NEW YORK, NY 439,084439.1k $10.8m $10.8m 0.00% —
14 Divisar Capital Management LLC 2.81% of their portfolio SAN FRANCISCO, CA 389,627389.6k $9.6m $9.6m 2.81% —
15 EMERALD ADVISERS, LLC 0.49% of their portfolio LEOLA, PA 386,225386.2k $9.5m $9.5m 0.49% —
16 NORTHERN TRUST CORP 0.00% of their portfolio CHICAGO, IL 382,661382.7k $9.4m $9.4m 0.00% —
17 ROYCE & ASSOCIATES LP 0.10% of their portfolio New York, NY 342,800342.8k $8.4m $8.4m 0.10% —
18 EMERALD MUTUAL FUND ADVISERS TRUST 0.45% of their portfolio LEOLA, PA 289,600289.6k $7.1m $7.1m 0.45% —
19 Ranger Investment Management, L.P. 0.54% of their portfolio DALLAS, TX 282,390282.4k $6.9m $6.9m 0.54% —
20 Bank of New York Mellon Corp 0.00% of their portfolio NEW YORK, NY 253,115253.1k $6.2m $6.2m 0.00% —
21 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.00% of their portfolio SAN FRANCISCO, CA 217,295217.3k $5.3m $5.3m 0.00% —
22 Russell Investments Group, Ltd. 0.01% of their portfolio Seattle, WA 212,074212.1k $5.2m $5.2m 0.01% —
23 PRINCIPAL FINANCIAL GROUP INC 0.00% of their portfolio DES MOINES, IA 185,951186.0k $4.6m $4.6m 0.00% —
24 ArrowMark Colorado Holdings LLC 0.05% of their portfolio Denver, CO 171,000171.0k $4.2m $4.2m 0.05% —
25 PRUDENTIAL FINANCIAL INC 0.01% of their portfolio NEWARK, NJ 166,827166.8k $4.1m $4.1m 0.01% —
26 AMERIPRISE FINANCIAL INC 0.00% of their portfolio MINNEAPOLIS, MN 114,939114.9k $2.8m $2.8m 0.00% —
27 MUTUAL OF AMERICA CAPITAL MANAGEMENT LLC 0.04% of their portfolio New York, NY 112,594112.6k $2.8m $2.8m 0.04% —
28 PANAGORA ASSET MANAGEMENT INC 0.02% of their portfolio BOSTON, MA 105,843105.8k $2.6m $2.6m 0.02% —
29 Nuveen Asset Management, LLC 0.00% of their portfolio CHICAGO, IL 105,238105.2k $2.6m $2.6m 0.00% —
30 Assenagon Asset Management S.A. 0.01% of their portfolio SENNINGERBERG, N4 101,514101.5k $2.5m $2.5m 0.01% —
31 G2 Investment Partners Management LLC 0.69% of their portfolio New York, NY 90,15690.2k $2.2m $2.2m 0.69% —
32 Fisher Asset Management, LLC 0.00% of their portfolio PLANO, TX 84,03984.0k $2.1m $2.1m 0.00% —
33 RHUMBLINE ADVISERS 0.00% of their portfolio BOSTON, MA 81,38081.4k $2.0m $2.0m 0.00% —
34 TWO SIGMA ADVISERS, LP 0.01% of their portfolio NEW YORK, NY 81,10081.1k $2.0m $2.0m 0.01% —
35 Legal & General Group Plc 0.00% of their portfolio London, X0 73,18373.2k $1.8m $1.8m 0.00% —
36 ALGERT GLOBAL LLC 0.11% of their portfolio SAN FRANCISCO, CA 71,26271.3k $1.7m $1.7m 0.11% —
37 Swiss National Bank 0.00% of their portfolio ZURICH, V8 70,70070.7k $1.7m $1.7m 0.00% —
38 VICTORY CAPITAL MANAGEMENT INC 0.00% of their portfolio San Antonio, TX 70,22970.2k $1.7m $1.7m 0.00% —
39 Global IMC LLC 0.41% of their portfolio SOLANA BEACH, CA 62,79862.8k $1.5m $1.5m 0.41% —
40 RENAISSANCE TECHNOLOGIES LLC 0.00% of their portfolio NEW YORK, NY 60,40060.4k $1.5m $1.5m 0.00% —
41 JPMORGAN CHASE & CO 0.00% of their portfolio NEW YORK, NY 58,53758.5k $1.4m $1.4m 0.00% —
42 DEUTSCHE BANK AG\ 0.00% of their portfolio FRANKFURT AM MAIN, 2M 54,29054.3k $1.3m $1.3m 0.00% —
43 M&T Bank Corp 0.01% of their portfolio BUFFALO, NY 54,06254.1k $1.3m $1.3m 0.01% —
44 Public Sector Pension Investment Board 0.01% of their portfolio MONTREAL, A8 53,98054.0k $1.3m $1.3m 0.01% —
45 NORGES BANK 0.00% of their portfolio OSLO, Q8 53,40053.4k $1.3m $1.3m 0.00% —
46 MILLENNIUM MANAGEMENT LLC 0.00% of their portfolio NEW YORK, NY 44,17944.2k $1.1m $1.1m 0.00% —
47 CREDIT SUISSE AG/ 0.00% of their portfolio ZURICH, V8 43,68243.7k $1.1m $1.1m 0.00% —
48 Informed Momentum Co LLC 0.23% of their portfolio SOLANA BEACH, CA 42,60142.6k $1.0m $1.0m 0.23% —
49 GOLDMAN SACHS GROUP INC 0.00% of their portfolio NEW YORK, NY 39,81439.8k $977.0k $977.0k 0.00% —
50 CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.00% of their portfolio WEST SACRAMENTO, CA 37,18137.2k $912.0k $912.0k 0.00% —
51 Aquila Investment Management LLC 0.68% of their portfolio NEW YORK, NY 37,00037.0k $908.0k $908.0k 0.68% —
52 UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.00% of their portfolio NEW YORK, NY 36,20436.2k $888.1k $888.1k 0.00% —
53 BNP PARIBAS FINANCIAL MARKETS 0.00% of their portfolio PARIS, I0 36,10336.1k $885.6k $885.6k 0.00% —
54 ARROWSTREET CAPITAL, LIMITED PARTNERSHIP 0.00% of their portfolio BOSTON, MA 35,68335.7k $875.0k $875.0k 0.00% —
55 Campbell & CO Investment Adviser LLC 0.19% of their portfolio BALTIMORE, MD 34,59134.6k $849.0k $849.0k 0.19% —
56 CANADA LIFE ASSURANCE Co 0.00% of their portfolio WINNIPEG, A2 32,97033.0k $808.0k $808.0k 0.00% —
57 Williams Jones Wealth Management, LLC. 0.01% of their portfolio NEW YORK, NY 32,00032.0k $785.0k $785.0k 0.01% —
58 CITADEL ADVISORS LLC 0.00% of their portfolio MIAMI, FL 30,96731.0k $760.0k $760.0k 0.00% —
59 ALLIANCEBERNSTEIN L.P. 0.00% of their portfolio NASHVILLE, TN 30,52030.5k $749.0k $749.0k 0.00% —
60 Thrivent Financial for Lutherans 0.00% of their portfolio Minneapolis, MN 30,44230.4k $747.0k $747.0k 0.00% —
61 GSA CAPITAL PARTNERS LLP 0.09% of their portfolio LONDON, X0 28,38228.4k $696.0k $696.0k 0.09% —
62 STRS OHIO 0.00% of their portfolio COLUMBUS, OH 28,00028.0k $686.0k $686.0k 0.00% —
63 TWO SIGMA INVESTMENTS, LP 0.00% of their portfolio NEW YORK, NY 27,72427.7k $680.0k $680.0k 0.00% —
64 Hillsdale Investment Management Inc. 0.06% of their portfolio Toronto, A6 27,60027.6k $677.0k $677.0k 0.06% —
65 COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS 0.01% of their portfolio HARRISBURG, PA 26,83126.8k $658.0k $658.0k 0.01% —
66 D. E. Shaw & Co., Inc. 0.00% of their portfolio New York, NY 24,97625.0k $613.0k $613.0k 0.00% —
67 YOUSIF CAPITAL MANAGEMENT, LLC 0.01% of their portfolio BLOOMFIELD HILLS, MI 23,51523.5k $577.0k $577.0k 0.01% —
68 COMERICA BANK 0.00% of their portfolio DALLAS, TX 22,47722.5k $516.0k $516.0k 0.00% —
69 NEW YORK STATE COMMON RETIREMENT FUND 0.00% of their portfolio ALBANY, NY 22,00022.0k $540.0k $540.0k 0.00% —
70 CITIGROUP INC 0.00% of their portfolio NEW YORK, NY 21,68521.7k $532.0k $532.0k 0.00% —
71 TEXAS PERMANENT SCHOOL FUND CORP 0.01% of their portfolio AUSTIN, TX 21,18221.2k $520.0k $520.0k 0.01% —
72 State of Alaska, Department of Revenue 0.01% of their portfolio JUNEAU, AK 20,38920.4k $500.0k $500.0k 0.01% —
73 SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.00% of their portfolio BALA CYNWYD, PA 19,07819.1k $468.0k $468.0k 0.00% —
74 AQR CAPITAL MANAGEMENT LLC 0.00% of their portfolio Greenwich, CT 18,89518.9k $463.0k $463.0k 0.00% —
75 VOYA INVESTMENT MANAGEMENT LLC 0.00% of their portfolio ATLANTA, GA 18,58118.6k $455.8k $455.8k 0.00% —
76 State of Tennessee, Department of Treasury 0.00% of their portfolio NASHVILLE, TN 17,87017.9k $438.0k $438.0k 0.00% —
77 CenterBook Partners LP 0.08% of their portfolio GREENWICH, CT 17,35517.4k $426.0k $426.0k 0.08% —
78 MetLife Investment Management, LLC 0.00% of their portfolio Whippany, NJ 16,62316.6k $407.8k $407.8k 0.00% —
79 AMERICAN INTERNATIONAL GROUP, INC. 0.00% of their portfolio New York, NY 16,26416.3k $399.0k $399.0k 0.00% —
80 BANK OF AMERICA CORP /DE/ 0.00% of their portfolio CHARLOTTE, NC 15,62815.6k $383.0k $383.0k 0.00% —
81 STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM 0.00% of their portfolio TALLAHASSEE, FL 14,37714.4k $353.0k $353.0k 0.00% —
82 AMALGAMATED BANK 0.00% of their portfolio NEW YORK, NY 14,31914.3k $351.0k $351.0k 0.00% —
83 Louisiana State Employees Retirement System 0.01% of their portfolio BATON ROUGE, LA 14,10014.1k $346.0k $346.0k 0.01% —
84 OCCUDO QUANTITATIVE STRATEGIES LP 0.03% of their portfolio FORT LAUDERDALE, FL 13,72213.7k $337.0k $337.0k 0.03% —
85 Mirae Asset Global Investments Co., Ltd. 0.00% of their portfolio SEOUL, M5 13,05613.1k $320.0k $320.0k 0.00% —
86 MANUFACTURERS LIFE INSURANCE COMPANY, THE 0.00% of their portfolio Toronto, A6 12,23212.2k $300.1k $300.1k 0.00% —
87 Mesirow Financial Investment Management, Inc. 1.25% of their portfolio CHICAGO, IL 10,67110.7k $262.0k $262.0k 1.25% —
88 Schonfeld Strategic Advisors LLC 0.00% of their portfolio NEW YORK, NY 10,30010.3k $252.0k $252.0k 0.00% —
89 OREGON PUBLIC EMPLOYEES RETIREMENT FUND 0.00% of their portfolio TIGARD, OR 9,7199.7k $238.0k $238.0k 0.00% —
90 Cubist Systematic Strategies, LLC 0.00% of their portfolio STAMFORD, CT 9,4309.4k $231.0k $231.0k 0.00% —
91 NEW YORK STATE TEACHERS RETIREMENT SYSTEM 0.00% of their portfolio ALBANY, NY 9,2569.3k $227.0k $227.0k 0.00% —
92 PRAXIS INVESTMENT MANAGEMENT INC 0.02% of their portfolio GOSHEN, IN 9,1909.2k $225.0k $225.0k 0.02% —
93 TEACHER RETIREMENT SYSTEM OF TEXAS 0.00% of their portfolio AUSTIN, TX 9,0589.1k $222.0k $222.0k 0.00% —
94 BAILARD, INC. 0.01% of their portfolio Foster City, CA 8,6358.6k $212.0k $212.0k 0.01% —
95 Zurcher Kantonalbank (Zurich Cantonalbank) 0.00% of their portfolio ZURICH, V8 6,2886.3k $154.0k $154.0k 0.00% —
96 LAZARD ASSET MANAGEMENT LLC 0.00% of their portfolio NEW YORK, NY 5,8555.9k $143.0k $143.0k 0.00% —
97 TEACHERS RETIREMENT SYSTEM OF THE STATE OF KENTUCKY 0.00% of their portfolio FRANKFORT, KY 5,1325.1k $126.0k $126.0k 0.00% —
98 Tower Research Capital LLC (TRC) 0.00% of their portfolio NEW YORK, NY 5,0345.0k $124.0k $124.0k 0.00% —
99 Counterpoint Mutual Funds LLC 0.30% of their portfolio San Diego, CA 4,9755.0k $122.0k $122.0k 0.30% —
100 WELLS FARGO & COMPANY/MN 0.00% of their portfolio SAN FRANCISCO, CA 3,2213.2k $79.0k $79.0k 0.00% —