Penbrook Management
REGN icon

Penbrook Management’s Regeneron Pharmaceuticals REGN Stock Holding History

Penbrook Management’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
Q3 		$595K Hold
785
– – 0.35% 62
2026
Q2 		$489K Hold
785
– – 0.31% 65
2026
Q1 		$607K Sell
785
-12
-2% -$9.19K 0.46% 54
2025
Q4 		$615K Hold
797
– – 0.42% 54
2025
Q3 		$448K Hold
797
– – 0.31% 62
2025
Q2 		$418K Sell
797
-100
-11% -$55.8K 0.31% 61
2025
Q1 		$569K Hold
897
– – 0.43% 52
2024
Q4 		$639K Sell
897
-250
-22% -$210K 0.44% 49
2024
Q3 		$1.21M Hold
1,147
– – 0.78% 28
2024
Q2 		$1.21M Hold
1,147
– – 0.74% 28
2024
Q1 		$1.1M Hold
1,147
– – 0.68% 32
2023
Q4 		$1.01M Buy
1,147
+100
+10% +$82.4K 0.68% 33
2023
Q3 		$862K Buy
1,047
+25
+2% +$19.6K 0.63% 38
2023
Q2 		$734K Sell
1,022
-50
-5% -$38.6K 0.53% 44
2023
Q1 		$881K Hold
1,072
– – 0.67% 41
2022
Q4 		$773K Sell
1,072
-200
-16% -$148K 0.66% 43
2022
Q3 		$876K Hold
1,272
– – 0.75% 36
2022
Q2 		$752K Hold
1,272
– – 0.59% 51
2022
Q1 		$888K Hold
1,272
– – 0.58% 54
2021
Q4 		$803K Hold
1,272
– – 0.48% 62
2021
Q3 		$770K Hold
1,272
– – 0.48% 64
2021
Q2 		$710K Buy
1,272
+462
+57% +$234K 0.43% 65
2021
Q1 		$383K Buy
+810
New +$394K 0.28% 82

Other funds holding REGN

Robeco Institutional Asset Management
Robeco Institutional Asset Management Rotterdam, Netherlands $83.2B AUM 35.34% 1-Year Est. Return
KBC Group
KBC Group Brussels, Belgium $47.9B AUM 37.61% 1-Year Est. Return
Pinnacle Associates
Pinnacle Associates New York $8.92B AUM 43.91% 1-Year Est. Return
New York State Teachers Retirement System (NYSTRS)
New York State Teachers Retirement System (NYSTRS) Albany, New York $52.9B AUM 36.03% 1-Year Est. Return
Vest Financial
Vest Financial Mclean, Virginia $9.5B AUM 22.78% 1-Year Est. Return
GA
GuoLine Advisory Singapore $1.16B AUM 31.35% 1-Year Est. Return
Atwood & Palmer
Atwood & Palmer Kansas City, Missouri $1.95B AUM 16% 1-Year Est. Return
Fjarde Ap-fonden
Fjarde Ap-fonden Stockholm, Sweden $19.4B AUM 31.69% 1-Year Est. Return
LMCG Investments
LMCG Investments Boston, Massachusetts $1.86B AUM 40.01% 1-Year Est. Return
Assenagon Asset Management
Assenagon Asset Management Senningerberg, Luxembourg $103B AUM 40.17% 1-Year Est. Return

Penbrook Management's REGN Position: Q3 2026 in Review

Penbrook Management held its Regeneron Pharmaceuticals (REGN) position steady in Q3 2026 at 785 shares worth $595K. The position accounts for 0.35% of the portfolio, ranked #62.

Penbrook Management first reported a position in REGN in Q1 2021 and has held it in 23 quarters since. The position peaked at $1.21M in Q3 2024. 308 funds tracked by Wall St. Rank hold REGN as of Q3 2026.

  • Penbrook Management held 785 shares of Regeneron Pharmaceuticals worth $595K as of Q3 2026.
  • Penbrook Management left its Regeneron Pharmaceuticals share count unchanged in Q3 2026.
  • Regeneron Pharmaceuticals made up 0.35% of Penbrook Management's portfolio in Q3 2026, its #62 holding.
  • Penbrook Management first reported a position in Regeneron Pharmaceuticals in Q1 2021 and has held it in 23 quarters since.
  • Penbrook Management's Regeneron Pharmaceuticals position peaked at $1.21M in Q3 2024.
  • 308 funds tracked by Wall St. Rank held Regeneron Pharmaceuticals as of Q3 2026.

Based on Penbrook Management's 13F filing for Q3 2026, filed 16 Oct 2026.