Walleye 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
Q1 | $8.03M | Sell |
10,390
-2,482
| -19% | -$1.9M | 0.01% | 899 |
|
|
2025
Q4 | $9.94M | Buy |
12,872
+7,374
| +134% | +$5.01M | 0.01% | 932 |
|
|
2025
Q3 | $3.09M | Sell |
5,498
-2,253
| -29% | -$1.27M | ﹤0.01% | 1537 |
|
|
2025
Q2 | $4.07M | Buy |
7,751
+4,799
| +163% | +$2.68M | 0.01% | 1323 |
|
|
2025
Q1 | $1.87M | Buy |
+2,952
| New | +$2.03M | ﹤0.01% | 1677 |
|
|
2024
Q4 | – | Sell |
-9,997
| Closed | -$8.39M | – | 4592 |
|
|
2024
Q3 | $10.5M | Sell |
9,997
-1,921
| -16% | -$2.14M | 0.02% | 744 |
|
|
2024
Q2 | $12.5M | Buy |
11,918
+7,215
| +153% | +$6.99M | 0.03% | 578 |
|
|
2024
Q1 | $4.53M | Buy |
4,703
+3,085
| +191% | +$2.93M | 0.01% | 1197 |
|
|
2023
Q4 | $1.42M | Buy |
+1,618
| New | +$1.33M | ﹤0.01% | 2187 |
|
|
2023
Q3 | – | Sell |
-4,764
| Closed | -$3.74M | – | 5288 |
|
|
2023
Q2 | $3.42M | Buy |
+4,764
| New | +$3.67M | 0.01% | 1247 |
|
|
2022
Q3 | – | Sell |
-14,485
| Closed | -$9.12M | – | 5441 |
|
|
2022
Q2 | $8.56M | Buy |
14,485
+9,381
| +184% | +$6.1M | 0.03% | 710 |
|
|
2022
Q1 | $3.56M | Buy |
+5,104
| New | +$3.23M | 0.01% | 1225 |
|
|
2021
Q4 | – | Sell |
-1,372
| Closed | -$844K | – | 5779 |
|
|
2021
Q3 | $830K | Sell |
1,372
-4,236
| -76% | -$2.63M | ﹤0.01% | 2409 |
|
|
2021
Q2 | $3.13M | Buy |
5,608
+2,219
| +65% | +$1.12M | 0.01% | 1135 |
|
|
2021
Q1 | $1.6M | Sell |
3,389
-8,589
| -72% | -$4.18M | 0.01% | 1508 |
|
|
2020
Q4 | $5.79M | Buy |
11,978
+10,495
| +708% | +$5.67M | 0.03% | 637 |
|
|
2020
Q3 | $830K | Buy |
+1,483
| New | +$899K | ﹤0.01% | 1806 |
|
|
2020
Q2 | – | Sell |
-1,073
| Closed | -$609K | – | 4543 |
|
|
2020
Q1 | $524K | Sell |
1,073
-3,104
| -74% | -$1.28M | ﹤0.01% | 1836 |
|
|
2019
Q4 | $1.57M | Buy |
+4,177
| New | +$1.41M | 0.01% | 1403 |
|
|
2019
Q1 | – | Sell |
-2,433
| Closed | -$1M | – | 4672 |
|
|
2018
Q4 | $909K | Sell |
2,433
-2,697
| -53% | -$987K | 0.01% | 1815 |
|
|
2018
Q3 | $2.07M | Sell |
5,130
-26
| -0.5% | -$9.89K | 0.01% | 1294 |
|
|
2018
Q2 | $1.78M | Sell |
5,156
-1,895
| -27% | -$593K | 0.01% | 1476 |
|
|
2018
Q1 | $2.43M | Buy |
7,051
+3,406
| +93% | +$1.18M | 0.01% | 1040 |
|
|
2017
Q4 | $1.37K | Buy |
3,645
+808
| +28% | +$327K | 0.01% | 1620 |
|
|
2017
Q3 | $1.27K | Buy |
+2,837
| New | +$1.35M | 0.01% | 1674 |
|
|
2017
Q2 | – | Sell |
-456
| Closed | -$200K | – | 4867 |
|
|
2017
Q1 | $177 | Sell |
456
-94
| -17% | -$34.8K | ﹤0.01% | 3037 |
|
|
2016
Q4 | $202K | Buy |
550
+122
| +29% | +$46.4K | ﹤0.01% | 2787 |
|
|
2016
Q3 | $172K | Sell |
428
-379
| -47% | -$152K | ﹤0.01% | 2920 |
|
|
2016
Q2 | $282K | Sell |
807
-771
| -49% | -$297K | ﹤0.01% | 2696 |
|
|
2016
Q1 | $569K | Sell |
1,578
-345
| -18% | -$142K | 0.01% | 1885 |
|
|
2015
Q4 | $1.04M | Buy |
+1,923
| New | +$1.04M | 0.01% | 1230 |
|
|
2015
Q3 | – | Sell |
-93
| Closed | -$49.9K | – | 5415 |
|
|
2015
Q2 | $47K | Buy |
+93
| New | +$45.4K | ﹤0.01% | 3515 |
|
|
2015
Q1 | – | Sell |
-1,680
| Closed | -$712K | – | 4412 |
|
|
2014
Q4 | $689K | Buy |
+1,680
| New | +$661K | 0.01% | 1309 |
|
|
2014
Q1 | – | Sell |
-3,388
| Closed | -$933K | – | 3852 |
|
|
2013
Q4 | $933K | Buy |
3,388
+3,080
| +1,000% | +$886K | 0.01% | 1143 |
|
|
2013
Q3 | $96K | Buy |
+308
| New | +$81K | ﹤0.01% | 1998 |
|
Other funds holding REGN
VCM
N
Walleye Trading's REGN Position: Q1 2026 in Review
Walleye Trading reduced its Regeneron Pharmaceuticals (REGN) stake by 19% in Q1 2026, selling an estimated $1.9M and leaving 10,390 shares worth $8.03M. The position accounts for 0.01% of the portfolio, ranked #899.
Walleye Trading first reported a position in REGN in Q3 2013 and has held it in 35 quarters since. The position peaked at $12.5M in Q2 2024. 1,392 funds tracked by Wall St. Rank hold REGN as of Q1 2026.
- Walleye Trading held 10,390 shares of Regeneron Pharmaceuticals worth $8.03M as of Q1 2026.
- Walleye Trading sold 2,482 Regeneron Pharmaceuticals shares in Q1 2026, an estimated $1.9M.
- Regeneron Pharmaceuticals made up 0.01% of Walleye Trading's portfolio in Q1 2026, its #899 holding.
- Walleye Trading first reported a position in Regeneron Pharmaceuticals in Q3 2013 and has held it in 35 quarters since.
- Walleye Trading's Regeneron Pharmaceuticals position peaked at $12.5M in Q2 2024.
- 1,392 funds tracked by Wall St. Rank held Regeneron Pharmaceuticals as of Q1 2026.
Based on Walleye Trading's 13F filing for Q1 2026, filed 11 May 2026.