Loomis, Sayles & Company
REGN icon

Loomis, Sayles & Company’s Regeneron Pharmaceuticals REGN Stock Holding History

Quarter Market Value Status Shares Shares
Change %
Trade Value Portfolio Weight Portfolio Position
2025
Q2
$1.02B Buy
1,941,070
+305,089
+19% +$160M 1.28% 17
2025
Q1
$1.04B Buy
1,635,981
+60,632
+4% +$38.5M 1.5% 17
2024
Q4
$1.12B Buy
1,575,349
+393,997
+33% +$281M 1.42% 17
2024
Q3
$1.24B Sell
1,181,352
-35,504
-3% -$37.3M 1.63% 16
2024
Q2
$1.28B Buy
1,216,856
+9,661
+0.8% +$10.2M 1.76% 16
2024
Q1
$1.16B Sell
1,207,195
-11,872
-1% -$11.4M 1.65% 16
2023
Q4
$1.07B Sell
1,219,067
-13,812
-1% -$12.1M 1.64% 16
2023
Q3
$1.01B Sell
1,232,879
-44,605
-3% -$36.7M 1.74% 16
2023
Q2
$918M Sell
1,277,484
-34,923
-3% -$25.1M 1.48% 17
2023
Q1
$1.08B Sell
1,312,407
-25,274
-2% -$20.8M 1.87% 15
2022
Q4
$965M Sell
1,337,681
-378,936
-22% -$273M 1.93% 17
2022
Q3
$1.18B Sell
1,716,617
-48,171
-3% -$33.2M 2.4% 15
2022
Q2
$1.04B Sell
1,764,788
-783,259
-31% -$463M 1.94% 17
2022
Q1
$1.78B Sell
2,548,047
-81,104
-3% -$56.6M 2.38% 12
2021
Q4
$1.66B Sell
2,629,151
-127,584
-5% -$80.6M 2.01% 14
2021
Q3
$1.67B Buy
2,756,735
+2,511
+0.1% +$1.52M 2.05% 15
2021
Q2
$1.54B Sell
2,754,224
-122,144
-4% -$68.2M 1.86% 18
2021
Q1
$1.36B Sell
2,876,368
-88,215
-3% -$41.7M 1.76% 20
2020
Q4
$1.43B Sell
2,964,583
-211,415
-7% -$102M 1.89% 19
2020
Q3
$1.78B Sell
3,175,998
-83,700
-3% -$46.9M 2.59% 12
2020
Q2
$2.03B Sell
3,259,698
-233,115
-7% -$145M 3.26% 9
2020
Q1
$1.71B Sell
3,492,813
-199,862
-5% -$97.6M 3.51% 7
2019
Q4
$1.39B Buy
3,692,675
+100,878
+3% +$37.9M 2.36% 11
2019
Q3
$996M Buy
3,591,797
+311,476
+9% +$86.4M 1.92% 19
2019
Q2
$1.03B Buy
3,280,321
+103,634
+3% +$32.4M 1.92% 18
2019
Q1
$1.3B Buy
3,176,687
+15,540
+0.5% +$6.38M 2.56% 8
2018
Q4
$1.18B Sell
3,161,147
-185,133
-6% -$69.1M 2.79% 7
2018
Q3
$1.35B Buy
3,346,280
+41,138
+1% +$16.6M 2.65% 8
2018
Q2
$1.14B Buy
3,305,142
+485,387
+17% +$167M 2.31% 11
2018
Q1
$971M Buy
2,819,755
+718,144
+34% +$247M 2.06% 17
2017
Q4
$790M Buy
2,101,611
+231,560
+12% +$87.1M 1.64% 21
2017
Q3
$836M Buy
1,870,051
+47,755
+3% +$21.4M 1.82% 20
2017
Q2
$895M Buy
1,822,296
+98,813
+6% +$48.5M 2.11% 11
2017
Q1
$668M Buy
1,723,483
+8,178
+0.5% +$3.17M 1.66% 19
2016
Q4
$630M Buy
1,715,305
+567,188
+49% +$208M 1.55% 23
2016
Q3
$462M Buy
+1,148,117
New +$462M 1.17% 29
2014
Q1
Sell
-8,825
Closed -$2.43M 769
2013
Q4
$2.43M Buy
8,825
+1,019
+13% +$280K 0.01% 591
2013
Q3
$2.44M Buy
7,806
+416
+6% +$130K 0.01% 571
2013
Q2
$1.66K Buy
+7,390
New +$1.66K 0.01% 570