Citadel Advisors’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 | – | Sell |
-15,400
| Closed | -$20.2K | – | 14016 |
|
|
2025
Q4 | $20.2K | Sell |
15,400
-135,900
| -90% | -$229K | ﹤0.01% | 12343 |
|
|
2025
Q3 | $241K | Buy |
151,300
+129,000
| +578% | +$195K | ﹤0.01% | 10850 |
|
|
2025
Q2 | $36.1K | Sell |
22,300
-87,200
| -80% | -$128K | ﹤0.01% | 11914 |
|
|
2025
Q1 | $124K | Buy |
109,500
+103,800
| +1,821% | +$148K | ﹤0.01% | 11167 |
|
|
2024
Q4 | $9.75K | Buy |
+5,700
| New | +$11.2K | ﹤0.01% | 13631 |
|
|
2024
Q3 | – | Sell |
-3,000
| Closed | -$5.52K | – | 15065 |
|
|
2024
Q2 | $5.52K | Sell |
3,000
-84,200
| -97% | -$147K | ﹤0.01% | 13394 |
|
|
2024
Q1 | $113K | Buy |
+87,200
| New | +$95.7K | ﹤0.01% | 11182 |
|
|
2023
Q3 | – | Sell |
-600
| Closed | -$960 | – | 14974 |
|
|
2023
Q2 | $960 | Sell |
600
-1,100
| -65% | -$1.78K | ﹤0.01% | 14012 |
|
|
2023
Q1 | $2.91K | Buy |
1,700
+900
| +113% | +$1.78K | ﹤0.01% | 14098 |
|
|
2022
Q4 | $1.54K | Buy |
+800
| New | +$1.82K | ﹤0.01% | 14459 |
|
|
2021
Q4 | – | Sell |
-24,500
| Closed | -$63K | – | 14581 |
|
|
2021
Q3 | $63K | Buy |
24,500
+400
| +2% | +$924 | ﹤0.01% | 13237 |
|
|
2021
Q2 | $57K | Buy |
24,100
+300
| +1% | +$747 | ﹤0.01% | 13278 |
|
|
2021
Q1 | $68K | Buy |
23,800
+5,800
| +32% | +$22.5K | ﹤0.01% | 12751 |
|
|
2020
Q4 | $51K | Sell |
18,000
-22,800
| -56% | -$64.3K | ﹤0.01% | 10561 |
|
|
2020
Q3 | $110K | Sell |
40,800
-7,400
| -15% | -$21.4K | ﹤0.01% | 9222 |
|
|
2020
Q2 | $196K | Buy |
48,200
+35,300
| +274% | +$131K | ﹤0.01% | 8546 |
|
|
2020
Q1 | $30K | Sell |
12,900
-12,600
| -49% | -$40.3K | ﹤0.01% | 9190 |
|
|
2019
Q4 | $77K | Sell |
25,500
-3,600
| -12% | -$11.5K | ﹤0.01% | 8647 |
|
|
2019
Q3 | $93K | Buy |
29,100
+14,700
| +102% | +$55.9K | ﹤0.01% | 8520 |
|
|
2019
Q2 | $48K | Sell |
14,400
-2,500
| -15% | -$7.08K | ﹤0.01% | 8740 |
|
|
2019
Q1 | $37K | Buy |
+16,900
| New | +$39K | ﹤0.01% | 8929 |
|
|
2016
Q1 | – | Sell |
-1,200
| Closed | -$6K | – | 7754 |
|
|
2015
Q4 | $6K | Buy |
+1,200
| New | +$6.02K | ﹤0.01% | 8412 |
|
|
2015
Q2 | – | Sell |
-2,400
| Closed | -$15K | – | 9023 |
|
|
2015
Q1 | $15K | Buy |
2,400
+2,000
| +500% | +$10.4K | ﹤0.01% | 8069 |
|
|
2014
Q4 | $2K | Sell |
400
-7,200
| -95% | -$36.5K | ﹤0.01% | 8373 |
|
|
2014
Q3 | $44K | Buy |
7,600
+4,300
| +130% | +$22.6K | ﹤0.01% | 6974 |
|
|
2014
Q2 | $20K | Buy |
3,300
+2,300
| +230% | +$12.3K | ﹤0.01% | 7281 |
|
|
2014
Q1 | $5K | Sell |
1,000
-7,800
| -89% | -$49.4K | ﹤0.01% | 7648 |
|
|
2013
Q4 | $51K | Buy |
+8,800
| New | +$47.9K | ﹤0.01% | 6023 |
|
Other funds holding REFR
MOS
VCM
VFT
SRC
Citadel Advisors's REFR Position: Q1 2026 in Review
Citadel Advisors sold out of Research Frontiers (REFR) in Q1 2026, closing a stake of 60,312 shares — an estimated $79K sold.
Citadel Advisors first reported a position in REFR in Q4 2013 and held it in 28 quarters. The position peaked at $121K in Q2 2020. 35 funds tracked by Wall St. Rank hold REFR as of Q1 2026.
- Citadel Advisors reported no remaining Research Frontiers position as of Q1 2026 after selling out during the quarter.
- Citadel Advisors sold 60,312 Research Frontiers shares in Q1 2026, an estimated $79K.
- Citadel Advisors first reported a position in Research Frontiers in Q4 2013 and held it in 28 quarters.
- Citadel Advisors's Research Frontiers position peaked at $121K in Q2 2020.
- 35 funds tracked by Wall St. Rank held Research Frontiers as of Q1 2026.
Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.