Vanguard Group’s Phio Pharmaceuticals PHIO Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2025
Q4
$92K Hold
87,628
﹤0.01% 4186
2025
Q3
$217K Buy
87,628
+38,963
+80% +$88.7K ﹤0.01% 4116
2025
Q2
$114K Buy
+48,665
New +$98.5K ﹤0.01% 4141
2024
Q3
Sell
-2,709
Closed -$16.9K 4374
2024
Q2
$16.9K Hold
2,709
﹤0.01% 4365
2024
Q1
$16.6K Hold
2,709
﹤0.01% 4405
2023
Q4
$18.5K Hold
2,709
﹤0.01% 4452
2023
Q3
$36.8K Hold
2,709
﹤0.01% 4443
2023
Q2
$70K Buy
2,709
+1,567
+137% +$55K ﹤0.01% 4422
2023
Q1
$57.8K Sell
1,142
-289
-20% -$15.3K ﹤0.01% 4457
2022
Q4
$57.5K Sell
1,431
-589
-29% -$30.2K ﹤0.01% 4432
2022
Q3
$125K Sell
2,020
-739
-27% -$56K ﹤0.01% 4473
2022
Q2
$210K Sell
2,759
-57
-2% -$5.36K ﹤0.01% 4463
2022
Q1
$269K Buy
2,816
+178
+7% +$16.9K ﹤0.01% 4491
2021
Q4
$285K Hold
2,638
﹤0.01% 4522
2021
Q3
$578K Buy
2,638
+77
+3% +$16.1K ﹤0.01% 4359
2021
Q2
$625K Buy
2,561
+1,425
+125% +$351K ﹤0.01% 4234
2021
Q1
$329K Buy
1,136
+456
+67% +$152K ﹤0.01% 4200
2020
Q4
$198K Buy
+680
New +$172K ﹤0.01% 4086
2020
Q1
Sell
-4
Closed -$5K 4091
2019
Q4
$5K Hold
4
﹤0.01% 4121
2019
Q3
$7K Hold
4
﹤0.01% 4149
2019
Q2
$10K Hold
4
﹤0.01% 4162
2019
Q1
$12K Hold
4
﹤0.01% 4110
2018
Q4
$9K Sell
4
-1
-20% -$2.36K ﹤0.01% 4143
2018
Q3
$35K Buy
5
+1
+25% +$9.41K ﹤0.01% 4142
2018
Q2
$50K Buy
4
+1
+33% +$14.8K ﹤0.01% 4101
2018
Q1
$59K Buy
+3
New +$69K ﹤0.01% 4062
2017
Q4
Hold
0
4054
2017
Q3
Hold
0
4067
2017
Q2
Sell
-2
Closed -$74K 4068
2017
Q1
$75K Hold
2
﹤0.01% 4003
2016
Q4
$66K Buy
2
+1
+100% +$78.2K ﹤0.01% 4008
2016
Q3
$162K Sell
1
-1
-50% -$135K ﹤0.01% 3935
2016
Q2
$235K Hold
2
﹤0.01% 3915
2016
Q1
$247K Buy
2
+1
+100% +$176K ﹤0.01% 3924
2015
Q4
$340K Hold
1
﹤0.01% 3911
2015
Q3
$323K Hold
1
﹤0.01% 3951
2015
Q2
$268K Hold
1
﹤0.01% 3995
2015
Q1
$226K Buy
+1
New +$709K ﹤0.01% 3979
2014
Q4
Hold
0
3821
2014
Q3
Hold
0
3794
2014
Q2
Hold
0
3861

Other funds holding PHIO

Vanguard Group's PHIO Position: Q4 2025 in Review

Vanguard Group held its Phio Pharmaceuticals (PHIO) position steady in Q4 2025 at 87,628 shares worth $92K. The position accounts for ﹤0.01% of the portfolio, ranked #4186.

Vanguard Group first reported a position in PHIO in Q1 2015 and has held it in 35 quarters since. The position peaked at $625K in Q2 2021. 17 funds tracked by Wall St. Rank hold PHIO as of Q4 2025.

  • Vanguard Group held 87,628 shares of Phio Pharmaceuticals worth $92K as of Q4 2025.
  • Vanguard Group left its Phio Pharmaceuticals share count unchanged in Q4 2025.
  • Phio Pharmaceuticals made up ﹤0.01% of Vanguard Group's portfolio in Q4 2025, its #4186 holding.
  • Vanguard Group first reported a position in Phio Pharmaceuticals in Q1 2015 and has held it in 35 quarters since.
  • Vanguard Group's Phio Pharmaceuticals position peaked at $625K in Q2 2021.
  • 17 funds tracked by Wall St. Rank held Phio Pharmaceuticals as of Q4 2025.

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