Simplex Trading’s Regeneron Pharmaceuticals REGN Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2026
Q2 | $1.98M | Buy |
+3,172
| New | +$2.16M | ﹤0.01% | 2053 |
|
|
2026
Q1 | – | Sell |
-8,559
| Closed | -$6.55M | – | 9957 |
|
|
2025
Q4 | $6.61M | Buy |
8,559
+2,445
| +40% | +$1.66M | ﹤0.01% | 1094 |
|
|
2025
Q3 | $3.44M | Buy |
+6,114
| New | +$3.46M | ﹤0.01% | 1802 |
|
|
2025
Q1 | – | Sell |
-3,131
| Closed | -$2.15M | – | 9451 |
|
|
2024
Q4 | $2.23M | Sell |
3,131
-618
| -16% | -$519K | ﹤0.01% | 2096 |
|
|
2024
Q3 | $3.94M | Sell |
3,749
-1,288
| -26% | -$1.43M | ﹤0.01% | 1678 |
|
|
2024
Q2 | $5.29M | Buy |
+5,037
| New | +$4.88M | ﹤0.01% | 1405 |
|
|
2024
Q1 | – | Sell |
-6,984
| Closed | -$6.64M | – | 9694 |
|
|
2023
Q4 | $6.13M | Sell |
6,984
-823
| -11% | -$678K | ﹤0.01% | 1403 |
|
|
2023
Q3 | $6.42M | Buy |
7,807
+990
| +15% | +$778K | 0.01% | 1178 |
|
|
2023
Q2 | $4.9M | Buy |
+6,817
| New | +$5.26M | ﹤0.01% | 1332 |
|
|
2022
Q3 | – | Sell |
-6,133
| Closed | -$3.86M | – | 10718 |
|
|
2022
Q2 | $3.63M | Buy |
6,133
+794
| +15% | +$516K | ﹤0.01% | 1352 |
|
|
2022
Q1 | $3.73M | Buy |
+5,339
| New | +$3.38M | ﹤0.01% | 1500 |
|
|
2021
Q4 | – | Sell |
-2,801
| Closed | -$1.72M | – | 11274 |
|
|
2021
Q3 | $1.61M | Buy |
2,801
+338
| +14% | +$210K | ﹤0.01% | 2446 |
|
|
2021
Q2 | $1.38M | Buy |
+2,463
| New | +$1.25M | ﹤0.01% | 2669 |
|
|
2021
Q1 | – | Sell |
-4,860
| Closed | -$2.37M | – | 9829 |
|
|
2020
Q4 | $2.35M | Buy |
4,860
+251
| +5% | +$135K | ﹤0.01% | 1614 |
|
|
2020
Q3 | $2.58M | Sell |
4,609
-1,701
| -27% | -$1.03M | ﹤0.01% | 1325 |
|
|
2020
Q2 | $3.94M | Buy |
+6,310
| New | +$3.58M | 0.01% | 1007 |
|
|
2019
Q4 | – | Sell |
-4,730
| Closed | -$1.59M | – | 7854 |
|
|
2019
Q3 | $1.31M | Buy |
+4,730
| New | +$1.4M | ﹤0.01% | 1689 |
|
|
2018
Q4 | – | Sell |
-12,014
| Closed | -$4.4M | – | 7663 |
|
|
2018
Q3 | $4.85M | Sell |
12,014
-6,031
| -33% | -$2.3M | 0.02% | 635 |
|
|
2018
Q2 | $6.22M | Buy |
+18,045
| New | +$5.64M | 0.02% | 484 |
|
|
2018
Q1 | – | Sell |
-14,443
| Closed | -$5.02M | – | 6737 |
|
|
2017
Q4 | $5.43M | Buy |
14,443
+10,270
| +246% | +$4.16M | 0.23% | 80 |
|
|
2017
Q3 | $1.86M | Sell |
4,173
-22,748
| -84% | -$10.8M | 0.08% | 211 |
|
|
2017
Q2 | $13.2M | Buy |
+26,921
| New | +$11.8M | 0.57% | 25 |
|
|
2017
Q1 | – | Sell |
-7,033
| Closed | -$2.61M | – | 6678 |
|
|
2016
Q4 | $2.58M | Buy |
7,033
+3,152
| +81% | +$1.2M | 0.15% | 114 |
|
|
2016
Q3 | $1.56M | Sell |
3,881
-983
| -20% | -$394K | 0.11% | 174 |
|
|
2016
Q2 | $1.7M | Buy |
+4,864
| New | +$1.87M | 0.11% | 165 |
|
|
2015
Q3 | – | Sell |
-3,079
| Closed | -$1.65M | – | 6069 |
|
|
2015
Q2 | $1.57M | Sell |
3,079
-435
| -12% | -$212K | 0.13% | 132 |
|
|
2015
Q1 | $1.59M | Buy |
3,514
+2,404
| +217% | +$1.02M | 0.18% | 109 |
|
|
2014
Q4 | $455K | Buy |
+1,110
| New | +$437K | 0.06% | 300 |
|
Other funds holding REGN
Simplex Trading's REGN Position: Q2 2026 in Review
Simplex Trading opened a new position in Regeneron Pharmaceuticals (REGN) in Q2 2026: 3,172 shares worth $1.98M. The stake represents ﹤0.01% of the portfolio and ranks #2053 among its holdings. This is a return to the name: Simplex Trading previously reported a position in REGN as recently as Q4 2025.
Simplex Trading first reported a position in REGN in Q4 2014 and has held it in 28 quarters since. The position peaked at $13.2M in Q2 2017. 1,338 funds tracked by Wall St. Rank hold REGN as of Q2 2026.
- Simplex Trading held 3,172 shares of Regeneron Pharmaceuticals worth $1.98M as of Q2 2026.
- Regeneron Pharmaceuticals was a new Simplex Trading position in Q2 2026.
- Regeneron Pharmaceuticals made up ﹤0.01% of Simplex Trading's portfolio in Q2 2026, its #2053 holding.
- Simplex Trading first reported a position in Regeneron Pharmaceuticals in Q4 2014 and has held it in 28 quarters since.
- Simplex Trading's Regeneron Pharmaceuticals position peaked at $13.2M in Q2 2017.
- 1,338 funds tracked by Wall St. Rank held Regeneron Pharmaceuticals as of Q2 2026.
Based on Simplex Trading's 13F filing for Q2 2026, filed 12 Aug 2026.