Custom Index Systems’s Regeneron Pharmaceuticals REGN Stock Holding History
Bought
Maintained
Sold
Other funds holding REGN
Custom Index Systems's REGN Position: Q2 2026 in Review
Custom Index Systems opened a new position in Regeneron Pharmaceuticals (REGN) in Q2 2026: 182 shares worth $113K. The stake represents 0.04% of the portfolio and ranks #301 among its holdings. This is a return to the name: Custom Index Systems previously reported a position in REGN as recently as Q4 2024.
Custom Index Systems first reported a position in REGN in Q4 2023 and has held it in 6 quarters since. The position peaked at $345K in Q2 2024. 1,335 funds tracked by Wall St. Rank hold REGN as of Q2 2026.
- Custom Index Systems held 182 shares of Regeneron Pharmaceuticals worth $113K as of Q2 2026.
- Regeneron Pharmaceuticals was a new Custom Index Systems position in Q2 2026.
- Regeneron Pharmaceuticals made up 0.04% of Custom Index Systems's portfolio in Q2 2026, its #301 holding.
- Custom Index Systems first reported a position in Regeneron Pharmaceuticals in Q4 2023 and has held it in 6 quarters since.
- Custom Index Systems's Regeneron Pharmaceuticals position peaked at $345K in Q2 2024.
- 1,335 funds tracked by Wall St. Rank held Regeneron Pharmaceuticals as of Q2 2026.
Based on Custom Index Systems's 13F filing for Q2 2026, filed 14 Aug 2026.