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 increased by 1, decreased by 3 super investor(s).

Which gurus or hedge funds are buying REGN now?

According to the latest SEC filing(s) REGENERON PHARMACEUTICALS (REGN) has been bought by Parnassus Investments - Parnassus Endeavor Fund (added shares +0.98%).

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

History
Name
Company
%
Activity
Share
Change
% change to
Portfolio
% of
Portfolio
2026 Q1 (4 results)
Parnassus Investments
Parnassus Endeavor Fund
+0.98%
+950
+0.02%
1.63%
V. D. Dodge, E. M. Cox
Dodge & Cox Stock Fund
-2.87%
-85,900
-0.06%
1.98%
Harry Burn
Sound Shore Management
-14.17%
-24,927
-0.65%
3.91%
Mason Hawkins
Longleaf Partners
-24.10%
-20,799
-1.74%
5.49%
Current price: $635.45 17.76% AVG reported price*: $772.64
2025 Q4 (4 results)
Harry Burn
Sound Shore Management
+52.91%
+60,859
+1.49%
4.32%
V. D. Dodge, E. M. Cox
Dodge & Cox Stock Fund
+2.46%
+71,824
+0.05%
1.96%
Parnassus Investments
Parnassus Endeavor Fund
-4.43%
-4,478
-0.07%
1.56%
Mason Hawkins
Longleaf Partners
-12.55%
-12,383
-0.96%
6.67%
Current price: $635.45 17.67% AVG reported price*: $771.87
2025 Q3 (5 results)
Harry Burn
Sound Shore Management
buy
+115,028
+2.14%
2.14%
V. D. Dodge, E. M. Cox
Dodge & Cox Stock Fund
+20.33%
+493,895
+0.23%
1.39%
Parnassus Investments
Parnassus Endeavor Fund
-0.06%
-61
-0.00%
1.21%
Mason Hawkins
Longleaf Partners
-11.96%
-13,407
-0.79%
5.78%
Michael Burry
Scion Asset Management
-100.00%
-15,000
-11.56%
0.00%
Current price: $635.45 13.02% AVG reported price*: $562.27
2025 Q2 (5 results)
Parnassus Investments
Parnassus Endeavor Fund
buy
+101,084
+1.17%
1.17%
Michael Burry
Scion Asset Management
buy
+15,000
+14.00%
0.00%
V. D. Dodge, E. M. Cox
Dodge & Cox Stock Fund
+56.33%
+875,200
+0.41%
1.13%
Mason Hawkins
Longleaf Partners
+40.34%
+32,222
+1.75%
6.08%
Ole Andreas Halvorsen
Viking Global Investors
-100.00%
-97,739
-0.18%
0.00%
Current price: $635.45 21.04% AVG reported price*: $525.00
2025 Q1 (2 results)
Mason Hawkins
Longleaf Partners
buy
+79,873
+5.46%
5.46%
Ole Andreas Halvorsen
Viking Global Investors
buy
+97,739
+0.20%
0.00%
Current price: $635.45 0.19% AVG reported price*: $634.23
2024 Q4 (2 results)
V. D. Dodge, E. M. Cox
Dodge & Cox Stock Fund
-0.10%
-1,500
-0.00%
1.01%
Ole Andreas Halvorsen
Viking Global Investors
-100.00%
-49,870
-0.17%
0.00%
Current price: $635.45 10.79% AVG reported price*: $712.33
2024 Q3 (1 result)
Ole Andreas Halvorsen
Viking Global Investors
buy
+49,870
+0.19%
0.00%
Current price: $635.45 39.55% Reported price*: $1,051.24
2023 Q3 (1 result)
V. D. Dodge, E. M. Cox
Dodge & Cox Stock Fund
+0.47%
+7,200
+0.01%
1.41%
Current price: $635.45 22.78% Reported price*: $822.96
2023 Q2 (1 result)
V. D. Dodge, E. M. Cox
Dodge & Cox Stock Fund
+0.36%
+5,600
+0.00%
1.22%
Current price: $635.45 11.56% Reported price*: $718.54
2023 Q1 (1 result)
V. D. Dodge, E. M. Cox
Dodge & Cox Stock Fund
+8.30%
+118,200
+0.11%
1.45%
Current price: $635.45 22.66% Reported price*: $821.67
2022 Q3 (1 result)
V. D. Dodge, E. M. Cox
Dodge & Cox Stock Fund
+6.17%
+82,800
+0.07%
1.26%
Current price: $635.45 7.75% Reported price*: $688.87
2022 Q2 (2 results)
David M. Polen
Polen Capital Management
-100.00%
-1,383
-0.00%
0.00%
Bill Nygren
Oakmark Select Fund
-100.00%
-224,000
-3.74%
0.00%
Current price: $635.45 9.02% AVG reported price*: $698.45
2022 Q1 (3 results)
V. D. Dodge, E. M. Cox
Dodge & Cox Stock Fund
+1,135.15%
+1,232,876
+0.90%
0.98%
Bill Nygren
Oakmark Select Fund
-22.76%
-66,000
-0.94%
0.00%
David M. Polen
Polen Capital Management
-28.64%
-555
-0.00%
0.00%
Current price: $635.45 9.02% AVG reported price*: $698.42
2021 Q4 (2 results)
V. D. Dodge, E. M. Cox
Dodge & Cox Stock Fund
buy
+108,609
+0.07%
0.07%
David M. Polen
Polen Capital Management
-10.07%
-217
-0.00%
0.00%
Current price: $635.45 0.62% AVG reported price*: $631.55
2021 Q3 (2 results)
David M. Polen
Polen Capital Management
buy
+2,155
+0.00%
0.00%
Bill Nygren
Oakmark Select Fund
-6.45%
-20,000
-0.24%
3.52%
Current price: $635.45 5.01% AVG reported price*: $605.14
2021 Q2 (1 result)
Bill Nygren
Oakmark Select Fund
+1,450.00%
+290,000
+3.20%
3.42%
Current price: $635.45 13.77% Reported price*: $558.54
2021 Q1 (1 result)
David M. Polen
Polen Capital Management
-100.00%
-2,002,804
-2.17%
0.00%
Current price: $635.45 31.53% Reported price*: $483.11
2020 Q4 (2 results)
David M. Polen
Polen Capital Management
+3.36%
+65,147
+0.07%
0.00%
Bill Nygren
Oakmark Select Fund
-83.92%
-104,400
-1.27%
0.24%
Current price: $635.45 31.53% AVG reported price*: $483.11
2020 Q3 (2 results)
David M. Polen
Polen Capital Management
+5.05%
+93,123
+0.14%
2.90%
Bill Nygren
Oakmark Select Fund
-59.13%
-180,000
-3.04%
2.10%
Current price: $635.45 13.52% AVG reported price*: $559.78
2020 Q2 (2 results)
David M. Polen
Polen Capital Management
+7.18%
+123,532
+0.23%
3.48%
Bill Nygren
Oakmark Select Fund
-20.71%
-79,491
-1.42%
5.44%
Current price: $635.45 1.89% AVG reported price*: $623.65
2020 Q1 (2 results)
David M. Polen
Polen Capital Management
+2.67%
+44,708
+0.09%
3.65%
Bill Nygren
Oakmark Select Fund
-38.08%
-236,109
-3.79%
6.17%
Current price: $635.45 30.14% AVG reported price*: $488.29
2019 Q4 (1 result)
David M. Polen
Polen Capital Management
+2.08%
+34,084
+0.05%
2.48%
Current price: $635.45 69.24% Reported price*: $375.48
2019 Q3 (2 results)
Bill Nygren
Oakmark Select Fund
buy
+620,000
+4.04%
4.04%
David M. Polen
Polen Capital Management
+3.60%
+57,097
+0.07%
2.10%
Current price: $635.45 129.07% AVG reported price*: $277.40
2019 Q2 (1 result)
David M. Polen
Polen Capital Management
-1.09%
-17,448
-0.03%
2.41%
Current price: $635.45 103.02% Reported price*: $313.00
50 of 76

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.