REGN RegeneronPharmsInc

Ownership history in JACOBS & CO/CA  ·  67 quarters on record

AI Ownership Summary

JACOBS & CO/CA reported RegeneronPharmsInc (REGN) in 67 quarterly 13F filings from 2023 Q4 through 2026 Q1. Peak portfolio weight reached 1.04% in 2024 Q2. The latest visible filing shows REGN at 0.78% 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 JACOBS & CO/CA's position in RegeneronPharmsInc, 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 0.78% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
1.04% in 2024 Q2

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.

How JACOBS & CO/CA held REGN — position size vs. price
% of Fund (quarterly)    REGN price (quarter-end, indexed to 100)
📋 Quarterly Holdings History 10 quarters  
Quarter Action Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2026 Q1 REDUCED 10,277 -49 -0.5% 0.78% $8K 2026-04-07 $760.27
2025 Q4 ADDED 10,326 +164 +1.6% 0.75% $8.0M 2026-01-05 $762.31
2025 Q3 REDUCED 10,162 -132 -1.3% 0.55% $5.7M 2025-10-01 $598.47
2025 Q2 ADDED 10,294 +244 +2.4% 0.54% $5.4M 2025-07-02 $545.57
2025 Q1 ADDED 10,050 +859 +9.3% 0.68% $6.4M 2025-04-03 $607.32
2024 Q4 ADDED 9,191 +64 +0.7% 0.67% $6.5M 2025-01-10 $692.20
2024 Q3 REDUCED 9,127 -290 -3.1% 0.96% $9.6M 2024-10-01 $1039.88
2024 Q2 REDUCED 9,417 -59 -0.6% 1.04% $9.9M 2024-07-12 $1092.67
2024 Q1 REDUCED 9,476 -45 -0.5% 0.97% $9.1M 2024-04-12 $898.63
2023 Q4 REDUCED 9,521 -161 -1.7% 0.95% $8.4M 2024-01-18 $923.76
57 older quarters hidden  —  Sign in free or upgrade to Premium to see full history

FAQ About JACOBS & CO/CA and REGN

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

How long has JACOBS & CO/CA reported owning REGN?

JACOBS & CO/CA reported REGN across 10 quarterly 13F filings, from 2023 Q4 through 2026 Q1.

What was the largest reported REGN position in JACOBS & CO/CA's portfolio?

The largest reported portfolio weight for REGN was 1.04% in 2024 Q2.

What is the latest reported REGN position on this page?

The most recent filing on this page is 2026 Q1, when JACOBS & CO/CA reported 10,277 shares, equal to 0.78% of portfolio, with an estimated market value of $8K.

What does the chart on this REGN ownership page compare?

The chart compares JACOBS & CO/CA'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.

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