BlackRock’s Research Frontiers REFR Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$560K Buy
608,398
+3,272
+0.5% +$3.58K ﹤0.01% 4497
2025
Q4
$793K Buy
605,126
+3,850
+0.6% +$6.5K ﹤0.01% 4370
2025
Q3
$956K Buy
601,276
+861
+0.1% +$1.3K ﹤0.01% 4297
2025
Q2
$985K Sell
600,415
-8,068
-1% -$11.8K ﹤0.01% 4254
2025
Q1
$688K Sell
608,483
-1,440
-0.2% -$2.06K ﹤0.01% 4305
2024
Q4
$1.04M Buy
609,923
+1,517
+0.2% +$2.97K ﹤0.01% 4208
2024
Q3
$1.33M Sell
608,406
-503
-0.1% -$1.04K ﹤0.01% 4114
2024
Q2
$1.12M Buy
608,909
+356
+0.1% +$623 ﹤0.01% 4147
2024
Q1
$791K Sell
608,553
-7,696
-1% -$8.44K ﹤0.01% 4261
2023
Q4
$622K Sell
616,249
-908
-0.1% -$943 ﹤0.01% 4377
2023
Q3
$667K Sell
617,157
-22,324
-3% -$33.8K ﹤0.01% 4342
2023
Q2
$1.02M Buy
639,481
+13,156
+2% +$21.3K ﹤0.01% 4292
2023
Q1
$1.07M Buy
626,325
+2,038
+0.3% +$4.03K ﹤0.01% 4315
2022
Q4
$1.19M Buy
624,287
+1,778
+0.3% +$4.05K ﹤0.01% 4354
2022
Q3
$1.33M Sell
622,509
-8,573
-1% -$17.5K ﹤0.01% 4378
2022
Q2
$1.1M Buy
631,082
+460
+0.1% +$833 ﹤0.01% 4501
2022
Q1
$1.21M Sell
630,622
-1,985
-0.3% -$3.65K ﹤0.01% 4599
2021
Q4
$1.09M Buy
632,607
+2,926
+0.5% +$6.27K ﹤0.01% 4637
2021
Q3
$1.61M Sell
629,681
-7,145
-1% -$16.5K ﹤0.01% 4406
2021
Q2
$1.51M Sell
636,826
-1,396,973
-69% -$3.48M ﹤0.01% 4380
2021
Q1
$5.78M Buy
2,033,799
+27,038
+1% +$105K ﹤0.01% 3874
2020
Q4
$5.64M Buy
2,006,761
+90,942
+5% +$257K ﹤0.01% 3649
2020
Q3
$5.17M Buy
1,915,819
+46,190
+2% +$134K ﹤0.01% 3562
2020
Q2
$7.59M Buy
1,869,629
+1,143,242
+157% +$4.24M ﹤0.01% 3349
2020
Q1
$1.7M Sell
726,387
-664
-0.1% -$2.12K ﹤0.01% 3704
2019
Q4
$2.19M Buy
727,051
+1,820
+0.3% +$5.83K ﹤0.01% 3758
2019
Q3
$2.32M Sell
725,231
-93
-0% -$353 ﹤0.01% 3702
2019
Q2
$2.42M Buy
725,324
+64,767
+10% +$183K ﹤0.01% 3719
2019
Q1
$1.43M Buy
660,557
+930
+0.1% +$2.15K ﹤0.01% 3812
2018
Q4
$1.03M Buy
659,627
+1,154
+0.2% +$1.68K ﹤0.01% 3875
2018
Q3
$1.03M Sell
658,473
-5,791
-0.9% -$6.13K ﹤0.01% 3953
2018
Q2
$547K Sell
664,264
-41,144
-6% -$37.3K ﹤0.01% 4076
2018
Q1
$688K Sell
705,408
-5,585
-0.8% -$5.43K ﹤0.01% 3975
2017
Q4
$739K Buy
710,993
+2,424
+0.3% +$2.64K ﹤0.01% 3978
2017
Q3
$844K Sell
708,569
-1,886
-0.3% -$2.26K ﹤0.01% 3958
2017
Q2
$916K Sell
710,455
-34,775
-5% -$43.7K ﹤0.01% 3870
2017
Q1
$1.04M Buy
+745,230
New +$1.28M ﹤0.01% 3805

Other funds holding REFR

BlackRock's REFR Position: Q1 2026 in Review

BlackRock increased its Research Frontiers (REFR) stake by 0.54% in Q1 2026, buying an estimated $3.58K and bringing the position to 608,398 shares worth $560K. The position accounts for ﹤0.01% of the portfolio, ranked #4497.

BlackRock first reported a position in REFR in Q1 2017 and has held it in 37 quarters since. The position peaked at $7.59M in Q2 2020. 35 funds tracked by Wall St. Rank hold REFR as of Q1 2026.

  • BlackRock held 608,398 shares of Research Frontiers worth $560K as of Q1 2026.
  • BlackRock bought 3,272 Research Frontiers shares in Q1 2026, an estimated $3.58K.
  • Research Frontiers made up ﹤0.01% of BlackRock's portfolio in Q1 2026, its #4497 holding.
  • BlackRock first reported a position in Research Frontiers in Q1 2017 and has held it in 37 quarters since.
  • BlackRock's Research Frontiers position peaked at $7.59M in Q2 2020.
  • 35 funds tracked by Wall St. Rank held Research Frontiers as of Q1 2026.

Based on BlackRock's 13F filing for Q1 2026, filed 13 May 2026.