HARVEY CAPITAL MANAGEMENT INC REGN — REGENERON PHARMACEUTICALS COM

Ownership history in HARVEY CAPITAL MANAGEMENT INC  ·  27 quarters on record

AI Ownership Summary

HARVEY CAPITAL MANAGEMENT INC reported REGENERON PHARMACEUTICALS COM (REGN) in 27 quarterly 13F filings from 2023 Q4 through 2026 Q1. Peak portfolio weight reached 3.79% in 2023 Q4. The latest visible filing shows REGN at 1.76% of the fund.

This page tracks quarterly shares, estimated market value, portfolio weight, filing dates, and disclosure-aligned stock prices directly from SEC EDGAR 13F filings. Older history is available after unlock; the visible window still shows the most recent pattern.

What this REGN ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was HARVEY CAPITAL MANAGEMENT INC's position in REGENERON PHARMACEUTICALS COM, and how did that conviction change over time? You can read the holding window, peak weight, latest reported size, disclosure timing, and quarter-by-quarter changes without piecing the story together from raw SEC rows.

Freshest filing
Latest Reported Filing
2026 Q1

REGN was reported at 1.76% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
3.79% in 2023 Q4

Peak weight helps separate a token disclosure from a real conviction holding the fund genuinely cared about.

Time in book
Holding Window
2023 Q4 to 2026 Q1

Longer holding windows often tell a very different story from short-lived tactical trades or one-quarter experiments.

Decision context
Why It Matters
Position size beats headlines

Knowing that a fund owned a stock is useful. Knowing whether it was a 0.20% placeholder or a true high-conviction position is where the signal actually starts.

REGN stock page HARVEY CAPITAL MANAGEMENT INC fund profile HARVEY CAPITAL MANAGEMENT INC full holdings
How HARVEY CAPITAL MANAGEMENT INC held REGN — position size vs. price
% of Fund (quarterly)    REGN price (quarter-end, indexed to 100)    SPY (indexed to 100)    QQQ (indexed to 100)
📋 Quarterly Holdings History 10 quarters  ▾
Quarter Action Sold % After 3M Timing Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2026 Q1 REDUCED — — — 9,976 -222 -2.2% 1.76% $7.7M 2026-05-11 $711.71
2025 Q4 REDUCED 10.6% +0.2% ❌ 10,198 -1,204 -10.6% 1.68% $7.9M 2026-02-17 $791.39
2025 Q3 REDUCED — — — 11,402 -340 -2.9% 1.37% $6.4M 2025-10-31 $649.23
2025 Q2 REDUCED 10.3% +7.0% ❌ 11,742 -1,350 -10.3% 1.47% $6.3M 2025-08-14 $562.89
2025 Q1 ADDED — — — 13,092 +28 +0.2% 2.17% $8.3M 2025-04-30 $594.62
2024 Q4 ADDED — — — 13,064 +242 +1.9% 2.19% $9.3M 2025-01-29 $681.64
2024 Q3 REDUCED — — — 12,822 -35 -0.3% 3.37% $13.5M 2024-10-29 $919.73
2024 Q2 REDUCED — — — 12,857 -70 -0.5% 3.55% $13.5M 2024-07-22 $1060.98
2024 Q1 REDUCED — — — 12,927 -77 -0.6% 3.64% $12.4M 2024-05-10 $965.82
2023 Q4 REDUCED — — — 13,004 -127 -1.0% 3.79% $11.4M 2024-01-29 $947.97
17 older quarters hidden  —  Sign in free or upgrade to Premium to see full history

🏢 Other funds also holding REGN

As of 2026 Q1 — sorted by position size

Bronte Capital Management Pty Ltd. 3Y 7Y 13.22% MCDONALD CAPITAL INVESTORS INC/CA 3Y 7Y 10.88% Davern Capital Partners, LP 9.5% Orion Investment Co 7.56% Catawba River Capital 3Y 6.27% JIA INVESTMENT ALLIANCE PTE. LTD. 3Y 5.44% Bronte Capital Management Pty Ltd. 3Y 7Y 5.24% Bellevue Group AG 3Y 7Y 5.12% SOUTHEASTERN ASSET MANAGEMENT INC/TN/ 3Y 7Y 4.97% Rhenman & Partners Asset Management AB 3Y 7Y 4.59%

FAQ About HARVEY CAPITAL MANAGEMENT INC and REGN

These are the practical questions this page is built to answer before you even open the full history table.

How long has HARVEY CAPITAL MANAGEMENT INC reported owning REGN?

HARVEY CAPITAL MANAGEMENT INC reported REGN across 10 quarterly 13F filings, from 2023 Q4 through 2026 Q1.

What was the largest reported REGN position in HARVEY CAPITAL MANAGEMENT INC's portfolio?

The largest reported portfolio weight for REGN was 3.79% in 2023 Q4.

What is the latest reported REGN position on this page?

The most recent filing on this page is 2026 Q1, when HARVEY CAPITAL MANAGEMENT INC reported 9,976 shares, equal to 1.76% of portfolio, with an estimated market value of $7.7M.

What does the chart on this REGN ownership page compare?

The chart compares HARVEY CAPITAL MANAGEMENT INC's quarterly REGN portfolio weight with the stock's indexed share price, so you can see whether the fund was building, trimming, or holding the position as price moved.

How well did HARVEY CAPITAL MANAGEMENT INC time their REGN position?

Based on 13F filing dates vs. subsequent REGN price moves, HARVEY CAPITAL MANAGEMENT INC correctly timed 10 out of 24 reported position changes (42%). The annualised alpha on REGN relative to SPY over the holding period was -11.0%.

← Back to HARVEY CAPITAL MANAGEMENT INC Holdings