FIRST BUSINESS FINANCIAL SERVICES, INC. EQIX Equinix Inc

Ownership history in FIRST BUSINESS FINANCIAL SERVICES, INC.  ·  8 quarters on record

AI Ownership Summary

FIRST BUSINESS FINANCIAL SERVICES, INC. reported Equinix Inc (EQIX) in 8 quarterly 13F filings from 2024 Q2 through 2026 Q1. Peak portfolio weight reached 0.29% in 2026 Q1. The latest visible filing shows EQIX at 0.29% 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.

What this EQIX ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was FIRST BUSINESS FINANCIAL SERVICES, INC.'s position in Equinix Inc, 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

EQIX was reported at 0.29% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
0.29% in 2026 Q1

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

Time in book
Holding Window
2024 Q2 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 FIRST BUSINESS FINANCIAL SERVICES, INC. held EQIX — position size vs. price
% of Fund (quarterly)    EQIX price (quarter-end, indexed to 100)    SPY (indexed to 100)    QQQ (indexed to 100)
📋 Quarterly Holdings History 8 quarters  
Quarter Action Sold % After 3M Timing Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2026 Q1 ADDED 3,297 +350 +11.9% 0.29% $3.2M 2026-05-01 $1079.69
2025 Q4 ADDED 2,947 +102 +3.6% 0.21% $2.3M 2026-02-06 $839.37
2025 Q3 REDUCED 13.2% -1.7% 2,845 -433 -13.2% 0.20% $2.2M 2025-10-30 $819.60
2025 Q2 ADDED 3,278 +314 +10.6% 0.24% $2.6M 2025-07-31 $767.71
2025 Q1 ADDED 2,964 +155 +5.5% 0.24% $2.4M 2025-05-02 $851.79
2024 Q4 ADDED 2,809 +96 +3.5% 0.26% $2.6M 2025-02-06 $907.84
2024 Q3 ADDED 2,713 +355 +15.1% 0.24% $2.4M 2024-11-06 $857.80
2024 Q2 INITIATED 2,358 0.19% $1.8M 2024-08-02 $772.76

FAQ About FIRST BUSINESS FINANCIAL SERVICES, INC. and EQIX

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

How long has FIRST BUSINESS FINANCIAL SERVICES, INC. reported owning EQIX?

FIRST BUSINESS FINANCIAL SERVICES, INC. reported EQIX across 8 quarterly 13F filings, from 2024 Q2 through 2026 Q1.

What was the largest reported EQIX position in FIRST BUSINESS FINANCIAL SERVICES, INC.'s portfolio?

The largest reported portfolio weight for EQIX was 0.29% in 2026 Q1.

What is the latest reported EQIX position on this page?

The most recent filing on this page is 2026 Q1, when FIRST BUSINESS FINANCIAL SERVICES, INC. reported 3,297 shares, equal to 0.29% of portfolio, with an estimated market value of $3.2M.

What does the chart on this EQIX ownership page compare?

The chart compares FIRST BUSINESS FINANCIAL SERVICES, INC.'s quarterly EQIX 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 FIRST BUSINESS FINANCIAL SERVICES, INC. time their EQIX position?

Based on 13F filing dates vs. subsequent EQIX price moves, FIRST BUSINESS FINANCIAL SERVICES, INC. correctly timed 4 out of 7 reported position changes (57%). The annualised alpha on EQIX relative to SPY over the holding period was +0.7%.

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