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Flagship Harbor Advisors’s Regeneron Pharmaceuticals REGN Stock Holding History

Flagship Harbor 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
Q2 		$438K Sell
702
-42
-6% -$28.6K 0.02% 553
2026
Q1 		$575K Sell
744
-126
-14% -$96.5K 0.03% 441
2025
Q4 		$672K Sell
870
-25
-3% -$17K 0.03% 378
2025
Q3 		$503K Buy
895
+5
+0.6% +$2.83K 0.02% 493
2025
Q2 		$467K Buy
+890
New +$497K 0.02% 491
2024
Q4 		– Sell
-244
Closed -$257K – 778
2024
Q3 		$257K Sell
244
-8
-3% -$8.9K 0.01% 610
2024
Q2 		$265K Sell
252
-7
-3% -$6.79K 0.02% 573
2024
Q1 		$249K Buy
259
+19
+8% +$18.1K 0.02% 578
2023
Q4 		$211K Buy
+240
New +$198K 0.02% 584
2023
Q2 		– Sell
-957
Closed -$786K – 648
2023
Q1 		$786K Buy
957
+189
+25% +$143K 0.07% 258
2022
Q4 		$554K Buy
768
+442
+136% +$326K 0.06% 308
2022
Q3 		$225K Buy
+326
New +$205K 0.03% 518
2020
Q4 		– Sell
-222
Closed -$124K – 1476
2020
Q3 		$124K Sell
222
-57
-20% -$34.6K 0.02% 590
2020
Q2 		$173K Buy
279
+110
+65% +$62.4K 0.03% 489
2020
Q1 		$83K Sell
169
-156
-48% -$64.3K 0.02% 610
2019
Q4 		$122K Hold
325
– – 0.02% 563
2019
Q3 		$90K Sell
325
-47
-13% -$13.9K 0.02% 614
2019
Q2 		$116K Buy
372
+9
+2% +$3K 0.02% 536
2019
Q1 		$149K Sell
363
-29
-7% -$11.9K 0.03% 478
2018
Q4 		$146K Sell
392
-36
-8% -$13.2K 0.04% 437
2018
Q3 		$169K Sell
428
-34
-7% -$12.9K 0.03% 458
2018
Q2 		$159K Buy
+462
New +$144K 0.03% 459

Other funds holding REGN

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Dodge & Cox
Dodge & Cox San Francisco, California $191B AUM 17.5% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Franklin Resources
Franklin Resources San Mateo, California $462B AUM 39.16% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Nuveen
Nuveen Charlotte, North Carolina $419B AUM 43.02% 1-Year Est. Return

Flagship Harbor Advisors's REGN Position: Q2 2026 in Review

Flagship Harbor Advisors reduced its Regeneron Pharmaceuticals (REGN) stake by 5.6% in Q2 2026, selling an estimated $28.6K and leaving 702 shares worth $438K. The position accounts for 0.02% of the portfolio, ranked #553.

Flagship Harbor Advisors first reported a position in REGN in Q2 2018 and has held it in 22 quarters since. The position peaked at $786K in Q1 2023. 1,330 funds tracked by Wall St. Rank hold REGN as of Q2 2026.

  • Flagship Harbor Advisors held 702 shares of Regeneron Pharmaceuticals worth $438K as of Q2 2026.
  • Flagship Harbor Advisors sold 42 Regeneron Pharmaceuticals shares in Q2 2026, an estimated $28.6K.
  • Regeneron Pharmaceuticals made up 0.02% of Flagship Harbor Advisors's portfolio in Q2 2026, its #553 holding.
  • Flagship Harbor Advisors first reported a position in Regeneron Pharmaceuticals in Q2 2018 and has held it in 22 quarters since.
  • Flagship Harbor Advisors's Regeneron Pharmaceuticals position peaked at $786K in Q1 2023.
  • 1,330 funds tracked by Wall St. Rank held Regeneron Pharmaceuticals as of Q2 2026.

Based on Flagship Harbor Advisors's 13F filing for Q2 2026, filed 22 Jul 2026.