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Great Diamond Partners’s Regeneron Pharmaceuticals REGN Stock Holding History

Great Diamond Partners’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 		$269K Sell
431
-53
-11% -$36.1K 0.05% 214
2026
Q1 		$374K Sell
484
-10
-2% -$7.66K 0.07% 187
2025
Q4 		$381K Sell
494
-33
-6% -$22.4K 0.07% 178
2025
Q3 		$296K Sell
527
-8
-1% -$4.52K 0.06% 190
2025
Q2 		$281K Buy
535
+108
+25% +$60.3K 0.06% 193
2025
Q1 		$271K Buy
427
+98
+30% +$67.4K 0.07% 149
2024
Q4 		$234K Sell
329
-6
-2% -$5.04K 0.06% 161
2024
Q3 		$352K Sell
335
-254
-43% -$283K 0.09% 135
2024
Q2 		$619K Sell
589
-10
-2% -$9.69K 0.15% 117
2024
Q1 		$577K Sell
599
-8
-1% -$7.61K 0.13% 123
2023
Q4 		$533K Sell
607
-17
-3% -$14K 0.13% 127
2023
Q3 		$514K Buy
624
+1
+0.2% +$786 0.14% 128
2023
Q2 		$448K Buy
623
+26
+4% +$20K 0.12% 137
2023
Q1 		$491K Buy
597
+4
+0.7% +$3.02K 0.14% 127
2022
Q4 		$428K Sell
593
-129
-18% -$95.2K 0.13% 134
2022
Q3 		$497K Buy
722
+1
+0.1% +$629 0.17% 121
2022
Q2 		$426K Sell
721
-196
-21% -$127K 0.14% 126
2022
Q1 		$640K Sell
917
-53
-5% -$33.5K 0.18% 106
2021
Q4 		$612K Buy
970
+1
+0.1% +$615 0.16% 115
2021
Q3 		$586K Sell
969
-2
-0.2% -$1.24K 0.16% 109
2021
Q2 		$542K Hold
971
– – 0.15% 115
2021
Q1 		$459K Sell
971
-46
-5% -$22.4K 0.14% 122
2020
Q4 		$491K Sell
1,017
-67
-6% -$36.2K 0.16% 107
2020
Q3 		$606K Buy
1,084
+6
+0.6% +$3.64K 0.22% 79
2020
Q2 		$672K Sell
1,078
-54
-5% -$30.7K 0.28% 68
2020
Q1 		$552K Sell
1,132
-37
-3% -$15.3K 0.28% 68
2019
Q4 		$438K Buy
+1,169
New +$393K 0.17% 86

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

Great Diamond Partners's REGN Position: Q2 2026 in Review

Great Diamond Partners reduced its Regeneron Pharmaceuticals (REGN) stake by 11% in Q2 2026, selling an estimated $36.1K and leaving 431 shares worth $269K. The position accounts for 0.05% of the portfolio, ranked #214.

Great Diamond Partners first reported a position in REGN in Q4 2019 and has held it in 27 quarters since. The position peaked at $672K in Q2 2020. 518 funds tracked by Wall St. Rank hold REGN as of Q2 2026.

  • Great Diamond Partners held 431 shares of Regeneron Pharmaceuticals worth $269K as of Q2 2026.
  • Great Diamond Partners sold 53 Regeneron Pharmaceuticals shares in Q2 2026, an estimated $36.1K.
  • Regeneron Pharmaceuticals made up 0.05% of Great Diamond Partners's portfolio in Q2 2026, its #214 holding.
  • Great Diamond Partners first reported a position in Regeneron Pharmaceuticals in Q4 2019 and has held it in 27 quarters since.
  • Great Diamond Partners's Regeneron Pharmaceuticals position peaked at $672K in Q2 2020.
  • 518 funds tracked by Wall St. Rank held Regeneron Pharmaceuticals as of Q2 2026.

Based on Great Diamond Partners's 13F filing for Q2 2026, filed 17 Jul 2026.