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MassMutual Private Wealth & Trust’s Regeneron Pharmaceuticals REGN Stock Holding History

MassMutual Private Wealth & Trust’s Portfolio REGN Stock Details REGN Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$5.97M Sell
9,576
-1,424
-13% -$969K 0.15% 118
2026
Q1 		$8.5M Sell
11,000
-103
-0.9% -$78.9K 0.23% 93
2025
Q4 		$8.57M Buy
11,103
+994
+10% +$675K 0.22% 100
2025
Q3 		$5.68M Buy
10,109
+1,267
+14% +$716K 0.14% 127
2025
Q2 		$4.64M Buy
8,842
+4,676
+112% +$2.61M 0.12% 137
2025
Q1 		$2.64M Buy
4,166
+97
+2% +$66.7K 0.08% 177
2024
Q4 		$2.9M Sell
4,069
-470
-10% -$394K 0.08% 170
2024
Q3 		$4.77M Sell
4,539
-141
-3% -$157K 0.14% 139
2024
Q2 		$4.92M Buy
4,680
+615
+15% +$596K 0.15% 130
2024
Q1 		$3.91M Buy
4,065
+52
+1% +$49.4K 0.12% 153
2023
Q4 		$3.52M Hold
4,013
– – 0.12% 161
2023
Q3 		$3.3M Sell
4,013
-87
-2% -$68.4K 0.12% 156
2023
Q2 		$2.95M Sell
4,100
-113
-3% -$87.1K 0.11% 169
2023
Q1 		$3.46M Buy
4,213
+129
+3% +$97.3K 0.13% 151
2022
Q4 		$2.95M Buy
4,084
+84
+2% +$62K 0.12% 159
2022
Q3 		$2.75M Buy
4,000
+102
+3% +$64.2K 0.13% 155
2022
Q2 		$2.3M Buy
3,898
+557
+17% +$362K 0.1% 169
2022
Q1 		$2.33M Buy
3,341
+287
+9% +$182K 0.09% 175
2021
Q4 		$1.93M Buy
3,054
+3,034
+15,170% +$1.87M 0.07% 190
2021
Q3 		$12K Hold
20
– – ﹤0.01% 682
2021
Q2 		$11K Buy
20
+16
+400% +$8.11K ﹤0.01% 664
2021
Q1 		$2K Buy
+4
New +$1.95K ﹤0.01% 889
2017
Q2 		– Sell
-4
Closed -$1.55K – 1083
2017
Q1 		$1.55K Buy
+4
New +$1.48K ﹤0.01% 897
2015
Q4 		– Sell
-21
Closed -$7.57K – 932
2015
Q3 		$7.57K Buy
+21
New +$11.3K ﹤0.01% 565
2014
Q4 		– Sell
-21
Closed -$7.57K – 734
2014
Q3 		$7.57K Buy
+21
New +$7.04K ﹤0.01% 556
2014
Q1 		– Sell
-33
Closed -$9.08K – 623
2013
Q4 		$9.08K Buy
+33
New +$9.49K 0.01% 302

Other funds holding REGN

Robeco Institutional Asset Management
Robeco Institutional Asset Management Rotterdam, Netherlands $81.4B AUM 40.71% 1-Year Est. Return
Sumitomo Mitsui Trust Group
Sumitomo Mitsui Trust Group Minato-Ku, Tokyo, Japan $175B AUM 40.63% 1-Year Est. Return
Assenagon Asset Management
Assenagon Asset Management Senningerberg, Luxembourg $80.2B AUM 50.57% 1-Year Est. Return
MCI
McDonald Capital Investors Orinda, California $1.37B AUM 1.88% 1-Year Est. Return
Swedbank
Swedbank Stockholm, Sweden $116B AUM 46.87% 1-Year Est. Return
Pictet Asset Management
Pictet Asset Management Carouge, Switzerland $105B AUM 38.07% 1-Year Est. Return
Retirement Systems of Alabama
Retirement Systems of Alabama Montgomery, Alabama $33.2B AUM 38.15% 1-Year Est. Return
New York State Common Retirement Fund
New York State Common Retirement Fund Albany, New York $79.3B AUM 43.63% 1-Year Est. Return
Aberdeen Group
Aberdeen Group Edinburgh, United Kingdom $71.2B AUM 41.74% 1-Year Est. Return
Parnassus Investments
Parnassus Investments San Francisco, California $37.4B AUM 35.42% 1-Year Est. Return

MassMutual Private Wealth & Trust's REGN Position: Q2 2026 in Review

MassMutual Private Wealth & Trust reduced its Regeneron Pharmaceuticals (REGN) stake by 13% in Q2 2026, selling an estimated $969K and leaving 9,576 shares worth $5.97M. The position accounts for 0.15% of the portfolio, ranked #118.

MassMutual Private Wealth & Trust first reported a position in REGN in Q4 2013 and has held it in 26 quarters since. The position peaked at $8.57M in Q4 2025. 518 funds tracked by Wall St. Rank hold REGN as of Q2 2026.

  • MassMutual Private Wealth & Trust held 9,576 shares of Regeneron Pharmaceuticals worth $5.97M as of Q2 2026.
  • MassMutual Private Wealth & Trust sold 1,424 Regeneron Pharmaceuticals shares in Q2 2026, an estimated $969K.
  • Regeneron Pharmaceuticals made up 0.15% of MassMutual Private Wealth & Trust's portfolio in Q2 2026, its #118 holding.
  • MassMutual Private Wealth & Trust first reported a position in Regeneron Pharmaceuticals in Q4 2013 and has held it in 26 quarters since.
  • MassMutual Private Wealth & Trust's Regeneron Pharmaceuticals position peaked at $8.57M in Q4 2025.
  • 518 funds tracked by Wall St. Rank held Regeneron Pharmaceuticals as of Q2 2026.

Based on MassMutual Private Wealth & Trust's 13F filing for Q2 2026, filed 2 Jul 2026.