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Bay Colony Advisors’s Regeneron Pharmaceuticals REGN Stock Holding History

Bay Colony Advisors’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
Q1 		– Sell
-1,817
Closed -$1.4M – 526
2025
Q4 		$1.4M Buy
1,817
+120
+7% +$81.5K 0.17% 118
2025
Q3 		$954K Buy
1,697
+114
+7% +$64.5K 0.11% 170
2025
Q2 		$831K Sell
1,583
-93
-6% -$51.9K 0.11% 167
2025
Q1 		$1.07M Buy
1,676
+392
+31% +$270K 0.16% 135
2024
Q4 		$915K Sell
1,284
-545
-30% -$457K 0.14% 153
2024
Q3 		$1.92M Buy
1,829
+145
+9% +$161K 0.29% 78
2024
Q2 		$1.77M Buy
1,684
+476
+39% +$461K 0.3% 75
2024
Q1 		$1.16M Sell
1,208
-100
-8% -$95.1K 0.2% 110
2023
Q4 		$1.15M Buy
1,308
+15
+1% +$12.4K 0.23% 99
2023
Q3 		$1.06M Sell
1,293
-4
-0.3% -$3.14K 0.26% 92
2023
Q2 		$932K Sell
1,297
-7
-0.5% -$5.4K 0.23% 106
2023
Q1 		$1.06M Sell
1,304
-121
-8% -$91.3K 0.28% 90
2022
Q4 		$1.03M Sell
1,425
-802
-36% -$592K 0.27% 96
2022
Q3 		$1.53M Sell
2,227
-10
-0.4% -$6.29K 0.46% 50
2022
Q2 		$1.3M Sell
2,237
-442
-16% -$287K 0.33% 73
2022
Q1 		$1.87M Sell
2,679
-243
-8% -$154K 0.45% 55
2021
Q4 		$1.84M Buy
2,922
+115
+4% +$70.7K 0.53% 51
2021
Q3 		$1.7M Buy
2,807
+393
+16% +$244K 0.56% 48
2021
Q2 		$1.35M Sell
2,414
-3
-0.1% -$1.52K 0.45% 63
2021
Q1 		$1.14M Buy
2,417
+842
+53% +$410K 0.44% 65
2020
Q4 		$761K Buy
1,575
+449
+40% +$242K 0.4% 76
2020
Q3 		$630K Buy
+1,126
New +$683K 0.39% 79
2020
Q1 		– Sell
-693
Closed -$249K – 235
2019
Q4 		$249K Buy
+693
New +$233K 0.16% 210

Other funds holding REGN

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Dodge & Cox
Dodge & Cox San Francisco, California $182B AUM 14.68% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
Franklin Resources
Franklin Resources San Mateo, California $408B AUM 30.18% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return
N
Nuveen Charlotte, North Carolina $369B AUM 31.66% 1-Year Est. Return

Bay Colony Advisors's REGN Position: Q1 2026 in Review

Bay Colony Advisors sold out of Regeneron Pharmaceuticals (REGN) in Q1 2026, closing a stake of 1,817 shares — an estimated $1.4M sold.

Bay Colony Advisors first reported a position in REGN in Q4 2019 and held it in 23 quarters. The position peaked at $1.92M in Q3 2024. 1,392 funds tracked by Wall St. Rank hold REGN as of Q1 2026.

  • Bay Colony Advisors reported no remaining Regeneron Pharmaceuticals position as of Q1 2026 after selling out during the quarter.
  • Bay Colony Advisors sold 1,817 Regeneron Pharmaceuticals shares in Q1 2026, an estimated $1.4M.
  • Bay Colony Advisors first reported a position in Regeneron Pharmaceuticals in Q4 2019 and held it in 23 quarters.
  • Bay Colony Advisors's Regeneron Pharmaceuticals position peaked at $1.92M in Q3 2024.
  • 1,392 funds tracked by Wall St. Rank held Regeneron Pharmaceuticals as of Q1 2026.

Based on Bay Colony Advisors's 13F filing for Q1 2026, filed 5 May 2026.