State of Wisconsin Investment Board’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
$42.7M Sell
55,274
-3,805
-6% -$2.91M 0.1% 177
2025
Q4
$45.6M Sell
59,079
-3,005
-5% -$2.04M 0.1% 149
2025
Q3
$34.9M Buy
62,084
+5,072
+9% +$2.87M 0.08% 202
2025
Q2
$29.9M Sell
57,012
-9,653
-14% -$5.39M 0.07% 234
2025
Q1
$42.3M Buy
66,665
+6,772
+11% +$4.66M 0.11% 162
2024
Q4
$42.7M Sell
59,893
-4,283
-7% -$3.59M 0.11% 159
2024
Q3
$67.5M Buy
64,176
+6,742
+12% +$7.5M 0.17% 103
2024
Q2
$60.4M Buy
57,434
+51
+0.1% +$49.4K 0.16% 114
2024
Q1
$55.2M Buy
57,383
+1,700
+3% +$1.62M 0.15% 127
2023
Q4
$48.9M Sell
55,683
-1,724
-3% -$1.42M 0.14% 133
2023
Q3
$47.2M Sell
57,407
-8,939
-13% -$7.03M 0.15% 131
2023
Q2
$47.7M Sell
66,346
-80
-0.1% -$61.7K 0.13% 143
2023
Q1
$54.6M Sell
66,426
-1,518
-2% -$1.14M 0.16% 127
2022
Q4
$49M Sell
67,944
-2,753
-4% -$2.03M 0.16% 135
2022
Q3
$48.7M Sell
70,697
-15,617
-18% -$9.83M 0.15% 127
2022
Q2
$51M Sell
86,314
-5,483
-6% -$3.56M 0.13% 143
2022
Q1
$64.1M Buy
91,797
+25,028
+37% +$15.8M 0.13% 140
2021
Q4
$42.2M Sell
66,769
-5,523
-8% -$3.4M 0.08% 267
2021
Q3
$43.8M Buy
72,292
+6,661
+10% +$4.14M 0.09% 243
2021
Q2
$36.7M Sell
65,631
-8,719
-12% -$4.42M 0.08% 296
2021
Q1
$35.2M Sell
74,350
-10,843
-13% -$5.28M 0.08% 292
2020
Q4
$41.2M Sell
85,193
-490
-0.6% -$265K 0.1% 231
2020
Q3
$48M Sell
85,683
-31,461
-27% -$19.1M 0.12% 183
2020
Q2
$73.1M Buy
117,144
+71,694
+158% +$40.7M 0.2% 112
2020
Q1
$22.2M Sell
45,450
-15,336
-25% -$6.33M 0.07% 279
2019
Q4
$22.8M Sell
60,786
-17,741
-23% -$5.97M 0.06% 357
2019
Q3
$21.8M Buy
78,527
+1,710
+2% +$506K 0.06% 334
2019
Q2
$24M Sell
76,817
-7,610
-9% -$2.53M 0.07% 308
2019
Q1
$34.7M Sell
84,427
-2,713
-3% -$1.12M 0.1% 224
2018
Q4
$32.5M Buy
87,140
+34,990
+67% +$12.8M 0.11% 207
2018
Q3
$21.1M Sell
52,150
-22,726
-30% -$8.65M 0.06% 351
2018
Q2
$25.8M Buy
74,876
+2,199
+3% +$688K 0.07% 285
2018
Q1
$25M Buy
72,677
+4,415
+6% +$1.54M 0.07% 297
2017
Q4
$25.7M Sell
68,262
-15,286
-18% -$6.19M 0.07% 302
2017
Q3
$37.4M Buy
83,548
+6,807
+9% +$3.24M 0.11% 200
2017
Q2
$37.7M Buy
76,741
+27,620
+56% +$12.1M 0.12% 188
2017
Q1
$19M Buy
49,121
+9,129
+23% +$3.38M 0.07% 303
2016
Q4
$14.7M Sell
39,992
-7,308
-15% -$2.78M 0.06% 355
2016
Q3
$19M Sell
47,300
-2,500
-5% -$1M 0.07% 298
2016
Q2
$17.4M Sell
49,800
-4,100
-8% -$1.58M 0.07% 309
2016
Q1
$19.4M Sell
53,900
-2,290
-4% -$944K 0.08% 289
2015
Q4
$30.5M Sell
56,190
-2,390
-4% -$1.29M 0.12% 196
2015
Q3
$27.2M Sell
58,580
-1,720
-3% -$924K 0.11% 223
2015
Q2
$30.8M Buy
60,300
+410
+0.7% +$200K 0.11% 215
2015
Q1
$27M Sell
59,890
-1,640
-3% -$695K 0.09% 256
2014
Q4
$25.2M Buy
61,530
+3,510
+6% +$1.38M 0.09% 275
2014
Q3
$20.9M Buy
58,020
+400
+0.7% +$134K 0.08% 308
2014
Q2
$16.3M Buy
57,620
+370
+0.6% +$110K 0.06% 402
2014
Q1
$17.2M Buy
57,250
+40
+0.1% +$12.3K 0.07% 363
2013
Q4
$15.7M Sell
57,210
-1,680
-3% -$483K 0.06% 380
2013
Q3
$18.4M Sell
58,890
-4,570
-7% -$1.2M 0.08% 315
2013
Q2
$14.3M Buy
+63,460
New +$14.8M 0.06% 399

Other funds holding REGN

State of Wisconsin Investment Board's REGN Position: Q1 2026 in Review

State of Wisconsin Investment Board reduced its Regeneron Pharmaceuticals (REGN) stake by 6.4% in Q1 2026, selling an estimated $2.91M and leaving 55,274 shares worth $42.7M. The position accounts for 0.1% of the portfolio, ranked #177.

State of Wisconsin Investment Board first reported a position in REGN in Q2 2013 and has held it in 52 quarters since. The position peaked at $73.1M in Q2 2020. 1,395 funds tracked by Wall St. Rank hold REGN as of Q1 2026.

  • State of Wisconsin Investment Board held 55,274 shares of Regeneron Pharmaceuticals worth $42.7M as of Q1 2026.
  • State of Wisconsin Investment Board sold 3,805 Regeneron Pharmaceuticals shares in Q1 2026, an estimated $2.91M.
  • Regeneron Pharmaceuticals made up 0.1% of State of Wisconsin Investment Board's portfolio in Q1 2026, its #177 holding.
  • State of Wisconsin Investment Board first reported a position in Regeneron Pharmaceuticals in Q2 2013 and has held it in 52 quarters since.
  • State of Wisconsin Investment Board's Regeneron Pharmaceuticals position peaked at $73.1M in Q2 2020.
  • 1,395 funds tracked by Wall St. Rank held Regeneron Pharmaceuticals as of Q1 2026.

Based on State of Wisconsin Investment Board's 13F filing for Q1 2026, filed 15 May 2026.