Magnetar Financial’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 | $836K | Buy |
1,340
+210
| +19% | +$143K | 0.01% | 484 |
|
|
2026
Q1 | $847K | Buy |
+1,130
| New | +$865K | 0.01% | 515 |
|
|
2025
Q4 | – | Sell |
-1,307
| Closed | -$735K | – | 1174 |
|
|
2025
Q3 | $735K | Buy |
1,307
+837
| +178% | +$473K | ﹤0.01% | 514 |
|
|
2025
Q2 | $247K | Sell |
470
-11,072
| -96% | -$6.18M | ﹤0.01% | 751 |
|
|
2025
Q1 | $7.32M | Sell |
11,542
-96,608
| -89% | -$66.4M | 0.1% | 138 |
|
|
2024
Q4 | $77M | Buy |
108,150
+101,150
| +1,445% | +$84.9M | 1.77% | 7 |
|
|
2024
Q3 | $7.36M | Buy |
+7,000
| New | +$7.79M | 0.16% | 98 |
|
|
2024
Q2 | – | Sell |
-33,257
| Closed | -$32M | – | 599 |
|
|
2024
Q1 | $32M | Buy |
+33,257
| New | +$31.6M | 0.72% | 48 |
|
|
2023
Q3 | – | Sell |
-68,320
| Closed | -$49.1M | – | 556 |
|
|
2023
Q2 | $49.1M | Buy |
+68,320
| New | +$52.7M | 1.08% | 31 |
|
|
2022
Q4 | – | Sell |
-5,253
| Closed | -$3.62M | – | 918 |
|
|
2022
Q3 | $3.62M | Buy |
5,253
+4,794
| +1,044% | +$3.02M | 0.05% | 430 |
|
|
2022
Q2 | $271K | Buy |
+459
| New | +$298K | ﹤0.01% | 1254 |
|
|
2021
Q2 | – | Sell |
-5,832
| Closed | -$2.76M | – | 1348 |
|
|
2021
Q1 | $2.76M | Buy |
5,832
+2,752
| +89% | +$1.34M | 0.03% | 504 |
|
|
2020
Q4 | $1.49M | Sell |
3,080
-80
| -3% | -$43.2K | 0.02% | 403 |
|
|
2020
Q3 | $1.77M | Buy |
+3,160
| New | +$1.92M | 0.03% | 268 |
|
|
2019
Q3 | – | Sell |
-1,227
| Closed | -$384K | – | 567 |
|
|
2019
Q2 | $384K | Sell |
1,227
-596
| -33% | -$198K | 0.01% | 327 |
|
|
2019
Q1 | $749K | Buy |
+1,823
| New | +$751K | 0.02% | 199 |
|
|
2018
Q4 | – | Sell |
-810
| Closed | -$327K | – | 462 |
|
|
2018
Q3 | $327K | Buy |
+810
| New | +$308K | 0.01% | 299 |
|
|
2018
Q1 | – | Sell |
-1,395
| Closed | -$524K | – | 766 |
|
|
2017
Q4 | $524K | Sell |
1,395
-1,614
| -54% | -$654K | 0.01% | 384 |
|
|
2017
Q3 | $1.34M | Buy |
+3,009
| New | +$1.43M | 0.02% | 205 |
|
|
2016
Q4 | – | Sell |
-1,525
| Closed | -$613K | – | 313 |
|
|
2016
Q3 | $613K | Buy |
+1,525
| New | +$612K | 0.01% | 330 |
|
|
2016
Q2 | – | Sell |
-1,188
| Closed | -$428K | – | 456 |
|
|
2016
Q1 | $428K | Buy |
1,188
+731
| +160% | +$301K | 0.01% | 207 |
|
|
2015
Q4 | $248K | Sell |
457
-1,179
| -72% | -$639K | ﹤0.01% | 305 |
|
|
2015
Q3 | $761K | Buy |
1,636
+989
| +153% | +$531K | 0.01% | 157 |
|
|
2015
Q2 | $330K | Sell |
647
-4,550
| -88% | -$2.22M | ﹤0.01% | 359 |
|
|
2015
Q1 | $2.35M | Buy |
+5,197
| New | +$2.2M | 0.04% | 141 |
|
|
2014
Q4 | – | Sell |
-3,858
| Closed | -$1.39M | – | 221 |
|
|
2014
Q3 | $1.39M | Buy |
+3,858
| New | +$1.29M | 0.02% | 161 |
|
Other funds holding REGN
Magnetar Financial's REGN Position: Q2 2026 in Review
Magnetar Financial increased its Regeneron Pharmaceuticals (REGN) stake by 19% in Q2 2026, buying an estimated $143K and bringing the position to 1,340 shares worth $836K. The position accounts for 0.01% of the portfolio, ranked #484.
Magnetar Financial first reported a position in REGN in Q3 2014 and has held it in 26 quarters since. The position peaked at $77M in Q4 2024. 1,333 funds tracked by Wall St. Rank hold REGN as of Q2 2026.
- Magnetar Financial held 1,340 shares of Regeneron Pharmaceuticals worth $836K as of Q2 2026.
- Magnetar Financial bought 210 Regeneron Pharmaceuticals shares in Q2 2026, an estimated $143K.
- Regeneron Pharmaceuticals made up 0.01% of Magnetar Financial's portfolio in Q2 2026, its #484 holding.
- Magnetar Financial first reported a position in Regeneron Pharmaceuticals in Q3 2014 and has held it in 26 quarters since.
- Magnetar Financial's Regeneron Pharmaceuticals position peaked at $77M in Q4 2024.
- 1,333 funds tracked by Wall St. Rank held Regeneron Pharmaceuticals as of Q2 2026.
Based on Magnetar Financial's 13F filing for Q2 2026, filed 14 Aug 2026.