Vanguard Group
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Vanguard Group’s PDF Solutions PDFS Stock Holding History

Vanguard Group’s Portfolio PDFS Stock Details PDFS Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q4 		$88.1M Sell
3,089,519
-65,100
-2% -$1.8M ﹤0.01% 1921
2025
Q3 		$81.5M Sell
3,154,619
-29,081
-0.9% -$635K ﹤0.01% 1942
2025
Q2 		$68.1M Buy
3,183,700
+25,405
+0.8% +$481K ﹤0.01% 1988
2025
Q1 		$60.4M Sell
3,158,295
-14,492
-0.5% -$356K ﹤0.01% 2016
2024
Q4 		$85.9M Sell
3,172,787
-6,460
-0.2% -$195K ﹤0.01% 1933
2024
Q3 		$101M Sell
3,179,247
-3,332
-0.1% -$108K ﹤0.01% 1869
2024
Q2 		$116M Buy
3,182,579
+14,367
+0.5% +$480K ﹤0.01% 1767
2024
Q1 		$107M Buy
3,168,212
+78,543
+3% +$2.58M ﹤0.01% 1824
2023
Q4 		$99.3M Buy
3,089,669
+160,441
+5% +$4.86M ﹤0.01% 1868
2023
Q3 		$94.9M Buy
2,929,228
+353,236
+14% +$13.5M ﹤0.01% 1830
2023
Q2 		$116M Buy
2,575,992
+312,020
+14% +$12.7M ﹤0.01% 1772
2023
Q1 		$96M Buy
2,263,972
+10,681
+0.5% +$374K ﹤0.01% 1856
2022
Q4 		$64.3M Sell
2,253,291
-22,394
-1% -$605K ﹤0.01% 2044
2022
Q3 		$55.8M Buy
2,275,685
+131,134
+6% +$3.31M ﹤0.01% 2127
2022
Q2 		$46.1M Buy
2,144,551
+4,471
+0.2% +$103K ﹤0.01% 2233
2022
Q1 		$59.6M Buy
2,140,080
+43,128
+2% +$1.2M ﹤0.01% 2215
2021
Q4 		$66.7M Buy
2,096,952
+5,379
+0.3% +$150K ﹤0.01% 2193
2021
Q3 		$48.2M Buy
2,091,573
+28,417
+1% +$585K ﹤0.01% 2381
2021
Q2 		$37.5M Sell
2,063,156
-39,570
-2% -$709K ﹤0.01% 2520
2021
Q1 		$37.4M Sell
2,102,726
-46,780
-2% -$927K ﹤0.01% 2464
2020
Q4 		$46.4M Buy
2,149,506
+45,520
+2% +$955K ﹤0.01% 2241
2020
Q3 		$39.4M Buy
2,103,986
+108,878
+5% +$2.24M ﹤0.01% 2130
2020
Q2 		$39M Buy
1,995,108
+32,295
+2% +$525K ﹤0.01% 2124
2020
Q1 		$23M Buy
1,962,813
+29,900
+2% +$442K ﹤0.01% 2219
2019
Q4 		$32.6M Buy
1,932,913
+3,855
+0.2% +$59.1K ﹤0.01% 2304
2019
Q3 		$25.2M Buy
1,929,058
+20,614
+1% +$260K ﹤0.01% 2374
2019
Q2 		$25M Buy
1,908,444
+1,991
+0.1% +$25.5K ﹤0.01% 2400
2019
Q1 		$23.5M Buy
1,906,453
+53,616
+3% +$593K ﹤0.01% 2425
2018
Q4 		$15.6M Buy
1,852,837
+360,978
+24% +$3.06M ﹤0.01% 2554
2018
Q3 		$13.5M Sell
1,491,859
-325,634
-18% -$3.28M ﹤0.01% 2774
2018
Q2 		$21.8M Buy
1,817,493
+429,672
+31% +$5.13M ﹤0.01% 2527
2018
Q1 		$16.2M Sell
1,387,821
-90,999
-6% -$1.21M ﹤0.01% 2581
2017
Q4 		$23.2M Buy
1,478,820
+225,165
+18% +$3.62M ﹤0.01% 2437
2017
Q3 		$19.4M Buy
1,253,655
+77,070
+7% +$1.24M ﹤0.01% 2502
2017
Q2 		$19.4M Buy
1,176,585
+54,358
+5% +$1.01M ﹤0.01% 2472
2017
Q1 		$25.4M Buy
1,122,227
+67,530
+6% +$1.5M ﹤0.01% 2344
2016
Q4 		$23.8M Buy
1,054,697
+7,197
+0.7% +$151K ﹤0.01% 2349
2016
Q3 		$19M Buy
1,047,500
+21,820
+2% +$355K ﹤0.01% 2383
2016
Q2 		$14.3M Buy
1,025,680
+20,834
+2% +$283K ﹤0.01% 2476
2016
Q1 		$13.4M Buy
1,004,846
+74,521
+8% +$816K ﹤0.01% 2457
2015
Q4 		$10.1M Buy
930,325
+20,503
+2% +$222K ﹤0.01% 2634
2015
Q3 		$9.1M Buy
909,822
+48,418
+6% +$608K ﹤0.01% 2651
2015
Q2 		$13.8M Buy
861,404
+4,799
+0.6% +$82.5K ﹤0.01% 2514
2015
Q1 		$15.4M Buy
856,605
+73,635
+9% +$1.28M ﹤0.01% 2441
2014
Q4 		$11.6M Buy
782,970
+20,617
+3% +$270K ﹤0.01% 2479
2014
Q3 		$9.61M Buy
762,353
+70,267
+10% +$1.39M ﹤0.01% 2513
2014
Q2 		$14.7M Buy
692,086
+21,144
+3% +$404K ﹤0.01% 2338
2014
Q1 		$12.2M Buy
670,942
+26,031
+4% +$575K ﹤0.01% 2396
2013
Q4 		$16.5M Buy
644,911
+43,559
+7% +$1M ﹤0.01% 2238
2013
Q3 		$12.8M Buy
601,352
+4,341
+0.7% +$89.3K ﹤0.01% 2283
2013
Q2 		$11M Buy
+597,011
New +$10.4M ﹤0.01% 2292

Other funds holding PDFS

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
NIM
Needham Investment Management New York $1.96B AUM 101.23% 1-Year Est. Return
William Blair Investment Management
William Blair Investment Management Chicago, Illinois $30.3B AUM 33.75% 1-Year Est. Return
RIM
Ranger Investment Management Dallas, Texas $1.38B AUM 24.55% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
SM
Samjo Management New York $231M AUM 13.04% 1-Year Est. Return
SCM
Snyder Capital Management San Francisco, California $5.16B AUM 26.72% 1-Year Est. Return
EA
Emerald Advisers Leola, Pennsylvania $3.16B AUM 109.58% 1-Year Est. Return
Janus Henderson Group
Janus Henderson Group London, United Kingdom $209B AUM 37.72% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return

Vanguard Group's PDFS Position: Q4 2025 in Review

Vanguard Group reduced its PDF Solutions (PDFS) stake by 2.1% in Q4 2025, selling an estimated $1.8M and leaving 3,089,519 shares worth $88.1M. The position accounts for ﹤0.01% of the portfolio, ranked #1921.

Vanguard Group first reported a position in PDFS in Q2 2013 and has held it in 51 quarters since. The position peaked at $116M in Q2 2023. 187 funds tracked by Wall St. Rank hold PDFS as of Q4 2025.

  • Vanguard Group held 3,089,519 shares of PDF Solutions worth $88.1M as of Q4 2025.
  • Vanguard Group sold 65,100 PDF Solutions shares in Q4 2025, an estimated $1.8M.
  • PDF Solutions made up ﹤0.01% of Vanguard Group's portfolio in Q4 2025, its #1921 holding.
  • Vanguard Group first reported a position in PDF Solutions in Q2 2013 and has held it in 51 quarters since.
  • Vanguard Group's PDF Solutions position peaked at $116M in Q2 2023.
  • 187 funds tracked by Wall St. Rank held PDF Solutions as of Q4 2025.

Based on Vanguard Group's 13F filing for Q4 2025, filed 29 Jan 2026.