REGN Stock Ownership Activity

REGENERON PHARMACEUTICALS 13F holders

5 value investing gurus have made changes to the REGENERON PHARMACEUTICALS (REGN) position according to the gurus' latest SEC quarterly report(s). REGN has been completely sold out by 1 guru(s), the number of REGN shares has been decreased by 4 super investor(s).

Which gurus or hedge funds are buying REGN now?

According to the latest SEC filing(s) REGENERON PHARMACEUTICALS (REGN) has not been purchased by any super investor.

To see more about who is investing in REGENERON PHARMACEUTICALS (REGN), please go to the REGN ownership page.

2026 Q2 (1 result)
Parnassus Investments
-2.17%
-2,117
-0.02%
1.12%
Current price: $675.19 8.28% Reported price*: $623.54
2026 Q1 (4 results)
Parnassus Investments
+0.98%
+950
+0.02%
1.63%
V. D. Dodge, E. M. Cox
-2.87%
-85,900
-0.06%
1.98%
Harry Burn
-14.17%
-24,927
-0.65%
3.91%
Mason Hawkins
-24.10%
-20,799
-1.74%
5.49%
Current price: $675.19 12.61% AVG reported price*: $772.64
2025 Q4 (4 results)
Harry Burn
+52.91%
+60,859
+1.49%
4.32%
V. D. Dodge, E. M. Cox
+2.46%
+71,824
+0.05%
1.96%
Parnassus Investments
-4.43%
-4,478
-0.07%
1.56%
Mason Hawkins
-12.55%
-12,383
-0.96%
6.67%
Current price: $675.19 12.53% AVG reported price*: $771.87
2025 Q3 (5 results)
Harry Burn
buy
+115,028
+2.14%
2.14%
V. D. Dodge, E. M. Cox
+20.33%
+493,895
+0.23%
1.39%
Parnassus Investments
-0.06%
-61
-0.00%
1.21%
Mason Hawkins
-11.96%
-13,407
-0.79%
5.78%
Michael Burry
-100.00%
-15,000
-11.56%
0.00%
Current price: $675.19 20.08% AVG reported price*: $562.27
2025 Q2 (5 results)
Parnassus Investments
buy
+101,084
+1.17%
1.17%
Michael Burry
buy
+15,000
+14.00%
0.00%
V. D. Dodge, E. M. Cox
+56.33%
+875,200
+0.41%
1.13%
Mason Hawkins
+40.34%
+32,222
+1.75%
6.08%
Ole Andreas Halvorsen
-100.00%
-97,739
-0.18%
0.00%
Current price: $675.19 28.61% AVG reported price*: $525.00
2025 Q1 (2 results)
Ole Andreas Halvorsen
buy
+97,739
+0.20%
0.00%
Mason Hawkins
buy
+79,873
+5.46%
5.46%
Current price: $675.19 6.46% AVG reported price*: $634.23
2024 Q4 (2 results)
V. D. Dodge, E. M. Cox
-0.10%
-1,500
-0.00%
1.01%
Ole Andreas Halvorsen
-100.00%
-49,870
-0.17%
0.00%
Current price: $675.19 5.21% AVG reported price*: $712.33
2024 Q3 (1 result)
Ole Andreas Halvorsen
buy
+49,870
+0.19%
0.00%
Current price: $675.19 35.77% Reported price*: $1,051.24
2023 Q3 (1 result)
V. D. Dodge, E. M. Cox
+0.47%
+7,200
+0.01%
1.41%
Current price: $675.19 17.96% Reported price*: $822.96
2023 Q2 (1 result)
V. D. Dodge, E. M. Cox
+0.36%
+5,600
+0.00%
1.22%
Current price: $675.19 6.03% Reported price*: $718.54
2023 Q1 (1 result)
V. D. Dodge, E. M. Cox
+8.30%
+118,200
+0.11%
1.45%
Current price: $675.19 17.83% Reported price*: $821.67
2022 Q3 (1 result)
V. D. Dodge, E. M. Cox
+6.17%
+82,800
+0.07%
1.26%
Current price: $675.19 1.99% Reported price*: $688.87
2022 Q2 (2 results)
David M. Polen
-100.00%
-1,383
-0.00%
0.00%
Bill Nygren
-100.00%
-224,000
-3.74%
0.00%
Current price: $675.19 3.33% AVG reported price*: $698.45
2022 Q1 (3 results)
V. D. Dodge, E. M. Cox
+1,135.15%
+1,232,876
+0.90%
0.98%
Bill Nygren
-22.76%
-66,000
-0.94%
0.00%
David M. Polen
-28.64%
-555
-0.00%
0.00%
Current price: $675.19 3.33% AVG reported price*: $698.42
2021 Q4 (2 results)
V. D. Dodge, E. M. Cox
buy
+108,609
+0.07%
0.07%
David M. Polen
-10.07%
-217
-0.00%
0.00%
Current price: $675.19 6.91% AVG reported price*: $631.55
2021 Q3 (2 results)
David M. Polen
buy
+2,155
+0.00%
0.00%
Bill Nygren
-6.45%
-20,000
-0.24%
3.52%
Current price: $675.19 11.58% AVG reported price*: $605.14
2021 Q2 (1 result)
Bill Nygren
+1,450.00%
+290,000
+3.20%
3.42%
Current price: $675.19 20.88% Reported price*: $558.54
2021 Q1 (1 result)
David M. Polen
-100.00%
-2,002,804
-2.17%
0.00%
Current price: $675.19 39.76% Reported price*: $483.11
2020 Q4 (2 results)
David M. Polen
+3.36%
+65,147
+0.07%
0.00%
Bill Nygren
-83.92%
-104,400
-1.27%
0.24%
Current price: $675.19 39.76% AVG reported price*: $483.11
2020 Q3 (2 results)
David M. Polen
+5.05%
+93,123
+0.14%
2.90%
Bill Nygren
-59.13%
-180,000
-3.04%
2.10%
Current price: $675.19 20.62% AVG reported price*: $559.78
2020 Q2 (2 results)
David M. Polen
+7.18%
+123,532
+0.23%
3.48%
Bill Nygren
-20.71%
-79,491
-1.42%
5.44%
Current price: $675.19 8.26% AVG reported price*: $623.65
2020 Q1 (2 results)
David M. Polen
+2.67%
+44,708
+0.09%
3.65%
Bill Nygren
-38.08%
-236,109
-3.79%
6.17%
Current price: $675.19 38.28% AVG reported price*: $488.29
2019 Q4 (1 result)
David M. Polen
+2.08%
+34,084
+0.05%
2.48%
Current price: $675.19 79.82% Reported price*: $375.48
2019 Q3 (2 results)
Bill Nygren
buy
+620,000
+4.04%
4.04%
David M. Polen
+3.60%
+57,097
+0.07%
2.10%
Current price: $675.19 143.40% AVG reported price*: $277.40
50 of 77

Shares, change to shares, sold shares - split-adjusted.

Reported price - this doesn't represent the actual buy or sell price.
It is the split-adjusted price of the security as of the last day of the reported period.

Value or Price - If the security is completely sold out, we show the reported value (or price) prior to the actual period.