Vanguard Group’s Research Frontiers REFR Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2025
Q4
$1.01M Buy
774,479
+128,409
+20% +$217K ﹤0.01% 3773
2025
Q3
$1.03M Buy
646,070
+20,941
+3% +$31.7K ﹤0.01% 3780
2025
Q2
$1.01M Buy
625,129
+103,666
+20% +$152K ﹤0.01% 3740
2025
Q1
$589K Buy
521,463
+32,743
+7% +$46.8K ﹤0.01% 3846
2024
Q4
$836K Hold
488,720
﹤0.01% 3819
2024
Q3
$1.07M Buy
488,720
+66,176
+16% +$137K ﹤0.01% 3754
2024
Q2
$777K Hold
422,544
﹤0.01% 3876
2024
Q1
$549K Hold
422,544
﹤0.01% 3990
2023
Q4
$427K Sell
422,544
-47,068
-10% -$48.9K ﹤0.01% 4087
2023
Q3
$507K Sell
469,612
-38,559
-8% -$58.4K ﹤0.01% 4049
2023
Q2
$813K Sell
508,171
-694,488
-58% -$1.12M ﹤0.01% 3963
2023
Q1
$2.06M Hold
1,202,659
﹤0.01% 3662
2022
Q4
$2.3M Buy
1,202,659
+485
+0% +$1.1K ﹤0.01% 3614
2022
Q3
$2.56M Hold
1,202,174
﹤0.01% 3645
2022
Q2
$2.09M Hold
1,202,174
﹤0.01% 3788
2022
Q1
$2.31M Sell
1,202,174
-25,396
-2% -$46.7K ﹤0.01% 3900
2021
Q4
$2.11M Sell
1,227,570
-1,763
-0.1% -$3.78K ﹤0.01% 4013
2021
Q3
$3.15M Buy
1,229,333
+6,927
+0.6% +$16K ﹤0.01% 3895
2021
Q2
$2.9M Sell
1,222,406
-134,834
-10% -$336K ﹤0.01% 3847
2021
Q1
$3.85M Buy
1,357,240
+79,572
+6% +$309K ﹤0.01% 3660
2020
Q4
$3.59M Buy
1,277,668
+20,219
+2% +$57.1K ﹤0.01% 3496
2020
Q3
$3.4M Sell
1,257,449
-5,204
-0.4% -$15.1K ﹤0.01% 3321
2020
Q2
$5.13M Buy
1,262,653
+111,982
+10% +$415K ﹤0.01% 3092
2020
Q1
$2.69M Hold
1,150,671
﹤0.01% 3221
2019
Q4
$3.46M Buy
1,150,671
+82,210
+8% +$264K ﹤0.01% 3288
2019
Q3
$3.42M Buy
1,068,461
+216,121
+25% +$821K ﹤0.01% 3273
2019
Q2
$2.84M Buy
852,340
+303,703
+55% +$860K ﹤0.01% 3369
2019
Q1
$1.19M Buy
548,637
+229,645
+72% +$530K ﹤0.01% 3582
2018
Q4
$498K Sell
318,992
-106,510
-25% -$155K ﹤0.01% 3733
2018
Q3
$668K Sell
425,502
-10,444
-2% -$11K ﹤0.01% 3803
2018
Q2
$359K Sell
435,946
-66,000
-13% -$59.9K ﹤0.01% 3881
2018
Q1
$489K Sell
501,946
-851
-0.2% -$827 ﹤0.01% 3791
2017
Q4
$523K Sell
502,797
-22,723
-4% -$24.7K ﹤0.01% 3738
2017
Q3
$626K Sell
525,520
-32,409
-6% -$38.8K ﹤0.01% 3700
2017
Q2
$720K Sell
557,929
-49,458
-8% -$62.1K ﹤0.01% 3653
2017
Q1
$850K Hold
607,387
﹤0.01% 3626
2016
Q4
$1.11M Sell
607,387
-46,751
-7% -$96.8K ﹤0.01% 3523
2016
Q3
$1.69M Hold
654,138
﹤0.01% 3441
2016
Q2
$2.39M Buy
654,138
+5,400
+0.8% +$22.7K ﹤0.01% 3313
2016
Q1
$2.96M Buy
648,738
+12,271
+2% +$55K ﹤0.01% 3215
2015
Q4
$3.32M Buy
636,467
+71,407
+13% +$358K ﹤0.01% 3190
2015
Q3
$2.87M Buy
565,060
+8,543
+2% +$45.3K ﹤0.01% 3213
2015
Q2
$2.97M Buy
556,517
+14,962
+3% +$88.1K ﹤0.01% 3244
2015
Q1
$3.3M Buy
541,555
+4,000
+0.7% +$20.8K ﹤0.01% 3196
2014
Q4
$2.75M Buy
537,555
+2,600
+0.5% +$13.2K ﹤0.01% 3161
2014
Q3
$3.08M Buy
534,955
+7,905
+1% +$41.6K ﹤0.01% 3086
2014
Q2
$3.19M Hold
527,050
﹤0.01% 3049
2014
Q1
$2.73M Buy
527,050
+29,296
+6% +$186K ﹤0.01% 3081
2013
Q4
$2.88M Buy
497,754
+100
+0% +$544 ﹤0.01% 3044
2013
Q3
$2.11M Buy
497,654
+6,550
+1% +$27.3K ﹤0.01% 3109
2013
Q2
$1.96M Buy
+491,104
New +$1.94M ﹤0.01% 3071

Other funds holding REFR

Vanguard Group's REFR Position: Q4 2025 in Review

Vanguard Group increased its Research Frontiers (REFR) stake by 20% in Q4 2025, buying an estimated $217K and bringing the position to 774,479 shares worth $1.01M. The position accounts for ﹤0.01% of the portfolio, ranked #3773.

Vanguard Group first reported a position in REFR in Q2 2013 and has held it in 51 quarters since. The position peaked at $5.13M in Q2 2020. 35 funds tracked by Wall St. Rank hold REFR as of Q4 2025.

  • Vanguard Group held 774,479 shares of Research Frontiers worth $1.01M as of Q4 2025.
  • Vanguard Group bought 128,409 Research Frontiers shares in Q4 2025, an estimated $217K.
  • Research Frontiers made up ﹤0.01% of Vanguard Group's portfolio in Q4 2025, its #3773 holding.
  • Vanguard Group first reported a position in Research Frontiers in Q2 2013 and has held it in 51 quarters since.
  • Vanguard Group's Research Frontiers position peaked at $5.13M in Q2 2020.
  • 35 funds tracked by Wall St. Rank held Research Frontiers as of Q4 2025.

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