Renaissance Technologies’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 | $51.6M | Buy |
66,802
+57,720
| +636% | +$44.2M | 0.08% | 316 |
|
|
2025
Q4 | $7.01M | Sell |
9,082
-266,080
| -97% | -$181M | 0.01% | 1107 |
|
|
2025
Q3 | $155M | Buy |
275,162
+230,100
| +511% | +$130M | 0.2% | 92 |
|
|
2025
Q2 | $23.7M | Sell |
45,062
-33,839
| -43% | -$18.9M | 0.03% | 631 |
|
|
2025
Q1 | $50M | Sell |
78,901
-168,842
| -68% | -$116M | 0.08% | 320 |
|
|
2024
Q4 | $176M | Buy |
247,743
+36,320
| +17% | +$30.5M | 0.26% | 62 |
|
|
2024
Q3 | $222M | Buy |
211,423
+26,261
| +14% | +$29.2M | 0.33% | 46 |
|
|
2024
Q2 | $195M | Buy |
185,162
+19,800
| +12% | +$19.2M | 0.33% | 48 |
|
|
2024
Q1 | $159M | Sell |
165,362
-77,700
| -32% | -$73.9M | 0.25% | 74 |
|
|
2023
Q4 | $213M | Buy |
243,062
+81,000
| +50% | +$66.7M | 0.33% | 51 |
|
|
2023
Q3 | $133M | Buy |
162,062
+73,862
| +84% | +$58M | 0.23% | 86 |
|
|
2023
Q2 | $63.4M | Sell |
88,200
-26,700
| -23% | -$20.6M | 0.09% | 247 |
|
|
2023
Q1 | $94.4M | Sell |
114,900
-76,541
| -40% | -$57.7M | 0.13% | 192 |
|
|
2022
Q4 | $138M | Sell |
191,441
-16,959
| -8% | -$12.5M | 0.19% | 110 |
|
|
2022
Q3 | $144M | Sell |
208,400
-374,662
| -64% | -$236M | 0.2% | 108 |
|
|
2022
Q2 | $345M | Buy |
583,062
+303,200
| +108% | +$197M | 0.41% | 43 |
|
|
2022
Q1 | $195M | Sell |
279,862
-3,100
| -1% | -$1.96M | 0.23% | 76 |
|
|
2021
Q4 | $179M | Buy |
282,962
+181,700
| +179% | +$112M | 0.22% | 83 |
|
|
2021
Q3 | $61.3M | Buy |
+101,262
| New | +$62.9M | 0.08% | 257 |
|
|
2021
Q2 | – | Sell |
-65,152
| Closed | -$30.8M | – | 3719 |
|
|
2021
Q1 | $30.8M | Sell |
65,152
-839,800
| -93% | -$409M | 0.04% | 550 |
|
|
2020
Q4 | $437M | Sell |
904,952
-167,410
| -16% | -$90.4M | 0.47% | 37 |
|
|
2020
Q3 | $600M | Buy |
1,072,362
+182,262
| +20% | +$111M | 0.6% | 24 |
|
|
2020
Q2 | $555M | Buy |
890,100
+402,738
| +83% | +$229M | 0.48% | 34 |
|
|
2020
Q1 | $238M | Buy |
487,362
+198,962
| +69% | +$82.1M | 0.23% | 99 |
|
|
2019
Q4 | $108M | Sell |
288,400
-110,418
| -28% | -$37.1M | 0.08% | 259 |
|
|
2019
Q3 | $111M | Buy |
398,818
+60,856
| +18% | +$18M | 0.09% | 248 |
|
|
2019
Q2 | $106M | Buy |
337,962
+129,700
| +62% | +$43.2M | 0.09% | 249 |
|
|
2019
Q1 | $85.5M | Sell |
208,262
-141,600
| -40% | -$58.3M | 0.08% | 303 |
|
|
2018
Q4 | $131M | Buy |
349,862
+81,800
| +31% | +$29.9M | 0.14% | 151 |
|
|
2018
Q3 | $108M | Sell |
268,062
-213,400
| -44% | -$81.2M | 0.11% | 200 |
|
|
2018
Q2 | $166M | Sell |
481,462
-1,008
| -0.2% | -$315K | 0.18% | 111 |
|
|
2018
Q1 | $166M | Sell |
482,470
-97,092
| -17% | -$33.8M | 0.18% | 103 |
|
|
2017
Q4 | $218M | Buy |
579,562
+485,600
| +517% | +$197M | 0.24% | 64 |
|
|
2017
Q3 | $42M | Buy |
+93,962
| New | +$44.7M | 0.05% | 501 |
|
|
2017
Q2 | – | Sell |
-232,076
| Closed | -$89.9M | – | 3330 |
|
|
2017
Q1 | $89.9M | Sell |
232,076
-18,484
| -7% | -$6.85M | 0.13% | 179 |
|
|
2016
Q4 | $92M | Buy |
+250,560
| New | +$95.3M | 0.15% | 136 |
|
|
2016
Q3 | – | Sell |
-210,762
| Closed | -$73.6M | – | 3466 |
|
|
2016
Q2 | $73.6M | Sell |
210,762
-6,200
| -3% | -$2.39M | 0.14% | 135 |
|
|
2016
Q1 | $78.2M | Buy |
216,962
+109,700
| +102% | +$45.2M | 0.15% | 122 |
|
|
2015
Q4 | $58.2M | Buy |
+107,262
| New | +$58.1M | 0.13% | 180 |
|
|
2015
Q2 | – | Sell |
-167,488
| Closed | -$75.6M | – | 3344 |
|
|
2015
Q1 | $75.6M | Buy |
+167,488
| New | +$71M | 0.16% | 116 |
|
|
2014
Q4 | – | Sell |
-26,562
| Closed | -$9.58M | – | 3092 |
|
|
2014
Q3 | $9.58M | Buy |
26,562
+23,700
| +828% | +$7.94M | 0.03% | 777 |
|
|
2014
Q2 | $808K | Buy |
+2,862
| New | +$848K | ﹤0.01% | 2136 |
|
|
2014
Q1 | – | Sell |
-70,062
| Closed | -$19.3M | – | 2980 |
|
|
2013
Q4 | $19.3M | Sell |
70,062
-179,459
| -72% | -$51.6M | 0.05% | 481 |
|
|
2013
Q3 | $78.1M | Buy |
249,521
+14,759
| +6% | +$3.88M | 0.19% | 99 |
|
|
2013
Q2 | $52.8M | Buy |
+234,762
| New | +$54.7M | 0.14% | 160 |
|
Other funds holding REGN
VCM
N
Renaissance Technologies's REGN Position: Q1 2026 in Review
Renaissance Technologies increased its Regeneron Pharmaceuticals (REGN) stake by 636% in Q1 2026, buying an estimated $44.2M and bringing the position to 66,802 shares worth $51.6M. The position accounts for 0.08% of the portfolio, ranked #316.
Renaissance Technologies first reported a position in REGN in Q2 2013 and has held it in 45 quarters since. The position peaked at $600M in Q3 2020. 1,392 funds tracked by Wall St. Rank hold REGN as of Q1 2026.
- Renaissance Technologies held 66,802 shares of Regeneron Pharmaceuticals worth $51.6M as of Q1 2026.
- Renaissance Technologies bought 57,720 Regeneron Pharmaceuticals shares in Q1 2026, an estimated $44.2M.
- Regeneron Pharmaceuticals made up 0.08% of Renaissance Technologies's portfolio in Q1 2026, its #316 holding.
- Renaissance Technologies first reported a position in Regeneron Pharmaceuticals in Q2 2013 and has held it in 45 quarters since.
- Renaissance Technologies's Regeneron Pharmaceuticals position peaked at $600M in Q3 2020.
- 1,392 funds tracked by Wall St. Rank held Regeneron Pharmaceuticals as of Q1 2026.
Based on Renaissance Technologies's 13F filing for Q1 2026, filed 14 May 2026.