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 |
-60,312
| Closed | -$79K | – | 14017 |
|
|
2025
Q4 | $79K | Buy |
+60,312
| New | +$102K | ﹤0.01% | 11801 |
|
|
2025
Q2 | – | Sell |
-20,246
| Closed | -$29.7K | – | 14646 |
|
|
2025
Q1 | $22.9K | Buy |
+20,246
| New | +$29K | ﹤0.01% | 13044 |
|
|
2024
Q3 | – | Sell |
-33,423
| Closed | -$61.5K | – | 15066 |
|
|
2024
Q2 | $61.5K | Sell |
33,423
-13,233
| -28% | -$23.2K | ﹤0.01% | 11535 |
|
|
2024
Q1 | $60.7K | Sell |
46,656
-655
| -1% | -$719 | ﹤0.01% | 11986 |
|
|
2023
Q4 | $47.8K | Buy |
47,311
+27,723
| +142% | +$28.8K | ﹤0.01% | 11825 |
|
|
2023
Q3 | $21.2K | Sell |
19,588
-7,991
| -29% | -$12.1K | ﹤0.01% | 12590 |
|
|
2023
Q2 | $44.1K | Buy |
27,579
+15,438
| +127% | +$25K | ﹤0.01% | 11952 |
|
|
2023
Q1 | $20.8K | Buy |
12,141
+2,781
| +30% | +$5.49K | ﹤0.01% | 13046 |
|
|
2022
Q4 | $18K | Buy |
+9,360
| New | +$21.3K | ﹤0.01% | 13222 |
|
|
2022
Q2 | – | Sell |
-29,645
| Closed | -$57K | – | 13892 |
|
|
2022
Q1 | $57K | Buy |
29,645
+10,318
| +53% | +$19K | ﹤0.01% | 12705 |
|
|
2021
Q4 | $33K | Sell |
19,327
-11,027
| -36% | -$23.6K | ﹤0.01% | 13439 |
|
|
2021
Q3 | $78K | Buy |
+30,354
| New | +$70.1K | ﹤0.01% | 13091 |
|
|
2021
Q1 | – | Sell |
-25,563
| Closed | -$99.2K | – | 13628 |
|
|
2020
Q4 | $72K | Buy |
25,563
+4,363
| +21% | +$12.3K | ﹤0.01% | 10403 |
|
|
2020
Q3 | $57K | Sell |
21,200
-8,610
| -29% | -$24.9K | ﹤0.01% | 9549 |
|
|
2020
Q2 | $121K | Buy |
29,810
+4,291
| +17% | +$15.9K | ﹤0.01% | 8882 |
|
|
2020
Q1 | $60K | Buy |
25,519
+11,857
| +87% | +$37.9K | ﹤0.01% | 8943 |
|
|
2019
Q4 | $41K | Sell |
13,662
-18,020
| -57% | -$57.8K | ﹤0.01% | 8803 |
|
|
2019
Q3 | $101K | Buy |
+31,682
| New | +$120K | ﹤0.01% | 8479 |
|
|
2017
Q4 | – | Sell |
-15,762
| Closed | -$19K | – | 8355 |
|
|
2017
Q3 | $19K | Buy |
+15,762
| New | +$18.9K | ﹤0.01% | 7369 |
|
|
2016
Q4 | – | Sell |
-20,974
| Closed | -$54K | – | 7738 |
|
|
2016
Q3 | $54K | Buy |
20,974
+8,322
| +66% | +$26.1K | ﹤0.01% | 6840 |
|
|
2016
Q2 | $46K | Buy |
+12,652
| New | +$53.2K | ﹤0.01% | 6431 |
|
|
2016
Q1 | – | Sell |
-7,225
| Closed | -$38K | – | 7755 |
|
|
2015
Q4 | $38K | Buy |
+7,225
| New | +$36.3K | ﹤0.01% | 7512 |
|
|
2015
Q2 | – | Sell |
-12,741
| Closed | -$78K | – | 9024 |
|
|
2015
Q1 | $78K | Buy |
12,741
+3,411
| +37% | +$17.7K | ﹤0.01% | 7053 |
|
|
2014
Q4 | $48K | Buy |
9,330
+5,876
| +170% | +$29.8K | ﹤0.01% | 7226 |
|
|
2014
Q3 | $20K | Buy |
3,454
+977
| +39% | +$5.14K | ﹤0.01% | 7421 |
|
|
2014
Q2 | $15K | Sell |
2,477
-10,805
| -81% | -$57.7K | ﹤0.01% | 7442 |
|
|
2014
Q1 | $69K | Buy |
13,282
+11,930
| +882% | +$75.5K | ﹤0.01% | 6504 |
|
|
2013
Q4 | $8K | Buy |
+1,352
| New | +$7.35K | ﹤0.01% | 6757 |
|
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.