Vanguard Group’s Regeneron Pharmaceuticals REGN Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2025
Q4
$7B Buy
9,075,153
+26,884
+0.3% +$18.3M 0.1% 170
2025
Q3
$5.09B Sell
9,048,269
-375,779
-4% -$212M 0.08% 253
2025
Q2
$4.95B Buy
9,424,048
+16,157
+0.2% +$9.02M 0.08% 246
2025
Q1
$5.97B Buy
9,407,891
+121,545
+1% +$83.6M 0.11% 165
2024
Q4
$6.61B Sell
9,286,346
-33,944
-0.4% -$28.5M 0.12% 149
2024
Q3
$9.8B Buy
9,320,290
+326,320
+4% +$363M 0.18% 96
2024
Q2
$9.45B Buy
8,993,970
+63,729
+0.7% +$61.8M 0.18% 95
2024
Q1
$8.6B Buy
8,930,241
+91,956
+1% +$87.4M 0.17% 103
2023
Q4
$7.76B Buy
8,838,285
+39,780
+0.5% +$32.8M 0.17% 104
2023
Q3
$7.24B Sell
8,798,505
-58,533
-0.7% -$46M 0.18% 96
2023
Q2
$6.36B Buy
8,857,038
+4,917
+0.1% +$3.79M 0.15% 109
2023
Q1
$7.27B Buy
8,852,121
+129,673
+1% +$97.8M 0.19% 95
2022
Q4
$6.29B Buy
8,722,448
+74,323
+0.9% +$54.8M 0.17% 110
2022
Q3
$5.96B Buy
8,648,125
+77,380
+0.9% +$48.7M 0.18% 100
2022
Q2
$5.07B Buy
8,570,745
+210,415
+3% +$137M 0.14% 124
2022
Q1
$5.84B Buy
8,360,330
+201,815
+2% +$128M 0.14% 122
2021
Q4
$5.15B Buy
8,158,515
+87,234
+1% +$53.6M 0.12% 152
2021
Q3
$4.88B Buy
8,071,281
+101,621
+1% +$63.1M 0.12% 144
2021
Q2
$4.45B Sell
7,969,660
-30,752
-0.4% -$15.6M 0.11% 158
2021
Q1
$3.79B Buy
8,000,412
+69,192
+0.9% +$33.7M 0.1% 174
2020
Q4
$3.83B Sell
7,931,220
-57,008
-0.7% -$30.8M 0.11% 160
2020
Q3
$4.47B Buy
7,988,228
+143,233
+2% +$86.8M 0.15% 117
2020
Q2
$4.89B Buy
7,844,995
+1,429,765
+22% +$812M 0.17% 99
2020
Q1
$3.13B Buy
6,415,230
+162,927
+3% +$67.2M 0.13% 143
2019
Q4
$2.35B Buy
6,252,303
+47,835
+0.8% +$16.1M 0.08% 261
2019
Q3
$1.72B Buy
6,204,468
+125,121
+2% +$37M 0.06% 338
2019
Q2
$1.9B Buy
6,079,347
+54,247
+0.9% +$18.1M 0.07% 295
2019
Q1
$2.47B Buy
6,025,100
+127,067
+2% +$52.3M 0.1% 203
2018
Q4
$2.2B Buy
5,898,033
+143,106
+2% +$52.4M 0.1% 195
2018
Q3
$2.33B Buy
5,754,927
+75,868
+1% +$28.9M 0.09% 213
2018
Q2
$1.96B Buy
5,679,059
+71,435
+1% +$22.3M 0.08% 246
2018
Q1
$1.93B Buy
5,607,624
+113,573
+2% +$39.5M 0.08% 241
2017
Q4
$2.07B Buy
5,494,051
+94,540
+2% +$38.3M 0.09% 233
2017
Q3
$2.41B Buy
5,399,511
+129,053
+2% +$61.4M 0.11% 179
2017
Q2
$2.59B Buy
5,270,458
+148,962
+3% +$65.2M 0.13% 150
2017
Q1
$1.98B Buy
5,121,496
+199,975
+4% +$74.1M 0.1% 197
2016
Q4
$1.81B Buy
4,921,521
+110,090
+2% +$41.9M 0.1% 208
2016
Q3
$1.93B Buy
4,811,431
+32,245
+0.7% +$12.9M 0.11% 178
2016
Q2
$1.67B Buy
4,779,186
+92,467
+2% +$35.6M 0.1% 205
2016
Q1
$1.69B Buy
4,686,719
+129,032
+3% +$53.2M 0.11% 186
2015
Q4
$2.47B Buy
4,557,687
+131,565
+3% +$71.3M 0.17% 116
2015
Q3
$2.06B Buy
4,426,122
+130,937
+3% +$70.3M 0.15% 126
2015
Q2
$2.19B Buy
4,295,185
+108,784
+3% +$53.1M 0.15% 129
2015
Q1
$1.89B Buy
4,186,401
+175,718
+4% +$74.5M 0.13% 158
2014
Q4
$1.65B Buy
4,010,683
+151,130
+4% +$59.4M 0.12% 167
2014
Q3
$1.39B Sell
3,859,553
-54,150
-1% -$18.1M 0.11% 182
2014
Q2
$1.11B Sell
3,913,703
-1,186
-0% -$352K 0.09% 241
2014
Q1
$1.18B Buy
3,914,889
+129,159
+3% +$39.8M 0.1% 212
2013
Q4
$1.04B Buy
3,785,730
+91,460
+2% +$26.3M 0.09% 229
2013
Q3
$1.16B Sell
3,694,270
-583,340
-14% -$153M 0.11% 172
2013
Q2
$962M Buy
+4,277,610
New +$996M 0.1% 197

Other funds holding REGN

Vanguard Group's REGN Position: Q4 2025 in Review

Vanguard Group increased its Regeneron Pharmaceuticals (REGN) stake by 0.3% in Q4 2025, buying an estimated $18.3M and bringing the position to 9,075,153 shares worth $7B. The position accounts for 0.1% of the portfolio, ranked #170.

Vanguard Group first reported a position in REGN in Q2 2013 and has held it in 51 quarters since. The position peaked at $9.8B in Q3 2024. 1,388 funds tracked by Wall St. Rank hold REGN as of Q4 2025.

  • Vanguard Group held 9,075,153 shares of Regeneron Pharmaceuticals worth $7B as of Q4 2025.
  • Vanguard Group bought 26,884 Regeneron Pharmaceuticals shares in Q4 2025, an estimated $18.3M.
  • Regeneron Pharmaceuticals made up 0.1% of Vanguard Group's portfolio in Q4 2025, its #170 holding.
  • Vanguard Group first reported a position in Regeneron Pharmaceuticals in Q2 2013 and has held it in 51 quarters since.
  • Vanguard Group's Regeneron Pharmaceuticals position peaked at $9.8B in Q3 2024.
  • 1,388 funds tracked by Wall St. Rank held Regeneron Pharmaceuticals as of Q4 2025.

Based on Vanguard Group's 13F filing for Q4 2025, filed 29 Jan 2026.