Two Sigma Investments’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 | $628M | Buy |
812,236
+531,085
| +189% | +$407M | 0.51% | 24 |
|
|
2025
Q4 | $217M | Sell |
281,151
-188,752
| -40% | -$128M | 0.31% | 55 |
|
|
2025
Q3 | $264M | Sell |
469,903
-29,925
| -6% | -$16.9M | 0.39% | 18 |
|
|
2025
Q2 | $262M | Buy |
499,828
+127,757
| +34% | +$71.3M | 0.46% | 21 |
|
|
2025
Q1 | $236M | Buy |
372,071
+337,528
| +977% | +$232M | 0.5% | 21 |
|
|
2024
Q4 | $24.6M | Buy |
34,543
+12,154
| +54% | +$10.2M | 0.05% | 418 |
|
|
2024
Q3 | $23.5M | Buy |
+22,389
| New | +$24.9M | 0.05% | 432 |
|
|
2024
Q2 | – | Sell |
-4,781
| Closed | -$4.6M | – | 3276 |
|
|
2024
Q1 | $4.6M | Sell |
4,781
-60,437
| -93% | -$57.5M | 0.01% | 1015 |
|
|
2023
Q4 | $57.3M | Sell |
65,218
-23,497
| -26% | -$19.3M | 0.13% | 198 |
|
|
2023
Q3 | $73M | Sell |
88,715
-34,911
| -28% | -$27.4M | 0.2% | 145 |
|
|
2023
Q2 | $88.8M | Sell |
123,626
-65,669
| -35% | -$50.6M | 0.22% | 125 |
|
|
2023
Q1 | $156M | Buy |
189,295
+157,137
| +489% | +$119M | 0.44% | 49 |
|
|
2022
Q4 | $23.2M | Buy |
+32,158
| New | +$23.7M | 0.07% | 309 |
|
|
2022
Q2 | – | Sell |
-207,430
| Closed | -$145M | – | 2863 |
|
|
2022
Q1 | $145M | Sell |
207,430
-115,987
| -36% | -$73.4M | 0.43% | 42 |
|
|
2021
Q4 | $204M | Buy |
323,417
+318,349
| +6,282% | +$196M | 0.44% | 32 |
|
|
2021
Q3 | $3.07M | Buy |
+5,068
| New | +$3.15M | 0.01% | 1596 |
|
|
2021
Q1 | – | Sell |
-6,492
| Closed | -$3.16M | – | 4183 |
|
|
2020
Q4 | $3.14M | Buy |
+6,492
| New | +$3.5M | 0.01% | 1210 |
|
|
2020
Q2 | – | Sell |
-51,959
| Closed | -$29.5M | – | 3429 |
|
|
2020
Q1 | $25.4M | Buy |
+51,959
| New | +$21.4M | 0.21% | 96 |
|
|
2019
Q4 | – | Sell |
-127,116
| Closed | -$42.8M | – | 3932 |
|
|
2019
Q3 | $35.3M | Buy |
+127,116
| New | +$37.6M | 0.12% | 232 |
|
|
2019
Q2 | – | Sell |
-23,316
| Closed | -$7.76M | – | 3608 |
|
|
2019
Q1 | $9.57M | Sell |
23,316
-12,182
| -34% | -$5.02M | 0.03% | 676 |
|
|
2018
Q4 | $13.3M | Sell |
35,498
-75,574
| -68% | -$27.7M | 0.05% | 453 |
|
|
2018
Q3 | $44.9M | Sell |
111,072
-372,262
| -77% | -$142M | 0.12% | 235 |
|
|
2018
Q2 | $167M | Buy |
483,334
+27,415
| +6% | +$8.57M | 0.5% | 14 |
|
|
2018
Q1 | $157M | Buy |
455,919
+112,147
| +33% | +$39M | 0.52% | 12 |
|
|
2017
Q4 | $129M | Buy |
+343,772
| New | +$139M | 0.42% | 34 |
|
|
2017
Q2 | – | Sell |
-34,212
| Closed | -$13.3M | – | 3224 |
|
|
2017
Q1 | $13.3M | Sell |
34,212
-34,394
| -50% | -$12.7M | 0.04% | 511 |
|
|
2016
Q4 | $25.2M | Buy |
68,606
+65,031
| +1,819% | +$24.7M | 0.1% | 243 |
|
|
2016
Q3 | $1.44M | Sell |
3,575
-257,388
| -99% | -$103M | 0.01% | 1712 |
|
|
2016
Q2 | $91.1M | Buy |
260,963
+1,170
| +0.5% | +$451K | 0.39% | 52 |
|
|
2016
Q1 | $93.6M | Sell |
259,793
-26,637
| -9% | -$11M | 0.45% | 43 |
|
|
2015
Q4 | $155M | Buy |
286,430
+69,600
| +32% | +$37.7M | 0.75% | 9 |
|
|
2015
Q3 | $101M | Buy |
+216,830
| New | +$116M | 0.52% | 42 |
|
|
2015
Q2 | – | Sell |
-696
| Closed | -$314K | – | 3045 |
|
|
2015
Q1 | $314K | Buy |
+696
| New | +$295K | ﹤0.01% | 2238 |
|
|
2014
Q4 | – | Sell |
-75,270
| Closed | -$27.1M | – | 2353 |
|
|
2014
Q3 | $27.1M | Buy |
+75,270
| New | +$25.2M | 0.12% | 239 |
|
|
2014
Q2 | – | Sell |
-156,377
| Closed | -$47M | – | 2319 |
|
|
2014
Q1 | $47M | Buy |
+156,377
| New | +$48.2M | 0.25% | 98 |
|
|
2013
Q3 | – | Sell |
-215,680
| Closed | -$48.5M | – | 2059 |
|
|
2013
Q2 | $48.5M | Buy |
+215,680
| New | +$50.2M | 0.34% | 64 |
|
Other funds holding REGN
VCM
N
Two Sigma Investments's REGN Position: Q1 2026 in Review
Two Sigma Investments increased its Regeneron Pharmaceuticals (REGN) stake by 189% in Q1 2026, buying an estimated $407M and bringing the position to 812,236 shares worth $628M. The position accounts for 0.51% of the portfolio, ranked #24.
Two Sigma Investments first reported a position in REGN in Q2 2013 and has held it in 36 quarters since. 1,392 funds tracked by Wall St. Rank hold REGN as of Q1 2026.
- Two Sigma Investments held 812,236 shares of Regeneron Pharmaceuticals worth $628M as of Q1 2026.
- Two Sigma Investments bought 531,085 Regeneron Pharmaceuticals shares in Q1 2026, an estimated $407M.
- Regeneron Pharmaceuticals made up 0.51% of Two Sigma Investments's portfolio in Q1 2026, its #24 holding.
- Two Sigma Investments first reported a position in Regeneron Pharmaceuticals in Q2 2013 and has held it in 36 quarters since.
- 1,392 funds tracked by Wall St. Rank held Regeneron Pharmaceuticals as of Q1 2026.
Based on Two Sigma Investments's 13F filing for Q1 2026, filed 15 May 2026.