Russell Investments 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
2026
Q2
$144M Buy
230,151
+2,065
+0.9% +$1.41M 0.13% 146
2026
Q1
$176M Buy
228,086
+6,996
+3% +$5.36M 0.19% 94
2025
Q4
$171M Sell
221,090
-7,738
-3% -$5.25M 0.19% 99
2025
Q3
$129M Buy
228,828
+55,019
+32% +$31.1M 0.15% 138
2025
Q2
$91.1M Buy
173,809
+27,069
+18% +$15.1M 0.12% 183
2025
Q1
$93.1M Buy
146,740
+9,532
+7% +$6.56M 0.13% 167
2024
Q4
$97.7M Buy
137,208
+7,944
+6% +$6.67M 0.13% 151
2024
Q3
$136M Buy
129,264
+2,516
+2% +$2.8M 0.2% 94
2024
Q2
$133M Sell
126,748
-1,763
-1% -$1.71M 0.21% 85
2024
Q1
$124M Buy
128,511
+7,481
+6% +$7.11M 0.2% 102
2023
Q4
$106M Sell
121,030
-5,171
-4% -$4.26M 0.19% 108
2023
Q3
$104M Buy
126,201
+352
+0.3% +$277K 0.21% 92
2023
Q2
$90.4M Sell
125,849
-2,653
-2% -$2.05M 0.17% 118
2023
Q1
$105M Sell
128,502
-6,275
-5% -$4.73M 0.21% 101
2022
Q4
$97.2M Sell
134,777
-32,205
-19% -$23.8M 0.2% 105
2022
Q3
$115M Buy
166,982
+6,369
+4% +$4.01M 0.25% 71
2022
Q2
$95.2M Sell
160,613
-26,577
-14% -$17.3M 0.19% 115
2022
Q1
$131M Sell
187,190
-24,865
-12% -$15.7M 0.23% 85
2021
Q4
$134M Buy
212,055
+6,112
+3% +$3.76M 0.21% 91
2021
Q3
$125M Buy
205,943
+17,105
+9% +$10.6M 0.21% 95
2021
Q2
$105M Buy
188,838
+24,724
+15% +$12.5M 0.18% 114
2021
Q1
$77.5M Buy
164,114
+33,307
+25% +$16.2M 0.14% 159
2020
Q4
$63.1M Buy
130,807
+3,964
+3% +$2.14M 0.12% 184
2020
Q3
$71.4M Sell
126,843
-9,649
-7% -$5.85M 0.15% 143
2020
Q2
$84.8M Buy
136,492
+16,325
+14% +$9.27M 0.19% 111
2020
Q1
$58.6M Buy
120,167
+6,783
+6% +$2.8M 0.15% 138
2019
Q4
$42.6M Sell
113,384
-45,670
-29% -$15.4M 0.08% 293
2019
Q3
$44.1M Buy
159,054
+61,276
+63% +$18.1M 0.09% 287
2019
Q2
$30.6M Sell
97,778
-20,747
-18% -$6.91M 0.06% 397
2019
Q1
$48.6M Buy
118,525
+28,802
+32% +$11.9M 0.09% 263
2018
Q4
$33.4M Sell
89,723
-16,945
-16% -$6.2M 0.07% 299
2018
Q3
$43.1M Buy
106,668
+18,742
+21% +$7.13M 0.08% 264
2018
Q2
$30.3M Sell
87,926
-95,630
-52% -$29.9M 0.06% 353
2018
Q1
$62.8M Buy
183,556
+14,776
+9% +$5.14M 0.11% 224
2017
Q4
$64.6M Buy
168,780
+4,084
+2% +$1.65M 0.11% 210
2017
Q3
$73.6M Buy
164,696
+18,443
+13% +$8.78M 0.13% 184
2017
Q2
$71.9M Sell
146,253
-8,844
-6% -$3.87M 0.13% 180
2017
Q1
$60.1M Buy
155,097
+13,539
+10% +$5.02M 0.11% 214
2016
Q4
$52.9M Buy
+141,558
New +$53.8M 0.1% 220

Other funds holding REGN

Russell Investments Group's REGN Position: Q2 2026 in Review

Russell Investments Group increased its Regeneron Pharmaceuticals (REGN) stake by 0.91% in Q2 2026, buying an estimated $1.41M and bringing the position to 230,151 shares worth $144M. The position accounts for 0.13% of the portfolio, ranked #146.

Russell Investments Group first reported a position in REGN in Q4 2016 and has held it in 39 quarters since. The position peaked at $176M in Q1 2026. 1,332 funds tracked by Wall St. Rank hold REGN as of Q2 2026.

  • Russell Investments Group held 230,151 shares of Regeneron Pharmaceuticals worth $144M as of Q2 2026.
  • Russell Investments Group bought 2,065 Regeneron Pharmaceuticals shares in Q2 2026, an estimated $1.41M.
  • Regeneron Pharmaceuticals made up 0.13% of Russell Investments Group's portfolio in Q2 2026, its #146 holding.
  • Russell Investments Group first reported a position in Regeneron Pharmaceuticals in Q4 2016 and has held it in 39 quarters since.
  • Russell Investments Group's Regeneron Pharmaceuticals position peaked at $176M in Q1 2026.
  • 1,332 funds tracked by Wall St. Rank held Regeneron Pharmaceuticals as of Q2 2026.

Based on Russell Investments Group's 13F filing for Q2 2026, filed 6 Aug 2026.