WPRT β€” WESTPORT INNOVATIONS INC

Ownership history in Baird Financial Group, Inc.  Β·  28 quarters on record

AI Ownership Summary

Baird Financial Group, Inc. reported WESTPORT INNOVATIONS INC (WPRT) in 28 quarterly 13F filings from 2023 Q4 through 2025 Q4. Peak portfolio weight reached 0.01% in 2024 Q1. The latest visible filing shows WPRT at 0.00% 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 WPRT ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was Baird Financial Group, Inc.'s position in WESTPORT INNOVATIONS 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
2025 Q4

WPRT was reported at 0.00% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
0.01% in 2024 Q1

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 2025 Q4

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 Baird Financial Group, Inc. held WPRT β€” position size vs. price
% of Fund (quarterly)    WPRT price (quarter-end, indexed to 100)
πŸ“‹ Quarterly Holdings History 9 quarters  β–Ύ
Quarter Action Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2025 Q4 REDUCED 177,282 -371,792 -67.7% 0.00% $278K 2026-02-14 (Est.) $1.98
2025 Q3 REDUCED 549,074 -22,872 -4.0% 0.00% $1.2M 2025-11-13 $1.71
2025 Q2 REDUCED 571,946 -382,240 -40.1% 0.00% $1.8M 2025-08-13 $3.28
2025 Q1 ADDED 954,186 +38,018 +4.1% 0.01% $3.5M 2025-05-15 $2.85
2024 Q4 ADDED 916,168 +235,610 +34.6% 0.01% $3.3M 2025-02-14 $4.58
2024 Q3 ADDED 680,558 +57,230 +9.2% 0.01% $3.1M 2024-11-14 $4.05
2024 Q2 ADDED 623,328 +80,474 +14.8% 0.01% $3.5M 2024-08-14 $5.60
2024 Q1 ADDED 542,854 +135,867 +33.4% 0.01% $3.7M 2024-05-14 $6.10
2023 Q4 REDUCED 406,987 -33,808 -7.7% 0.01% $2.7M 2024-02-14 $5.80
19 older quarters hidden  β€”  Sign in free or upgrade to Premium to see full history

🏒 Other funds also holding WPRT

As of 2026 Q1 β€” sorted by position size

THOMPSON INVESTMENT MANAGEMENT, INC. 3Y 7Y 0.0% COUNTRY TRUST BANK 3Y 7Y 0.0%

FAQ About Baird Financial Group, Inc. and WPRT

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

How long has Baird Financial Group, Inc. reported owning WPRT?

Baird Financial Group, Inc. reported WPRT across 9 quarterly 13F filings, from 2023 Q4 through 2025 Q4.

What was the largest reported WPRT position in Baird Financial Group, Inc.'s portfolio?

The largest reported portfolio weight for WPRT was 0.01% in 2024 Q1.

What is the latest reported WPRT position on this page?

The most recent filing on this page is 2025 Q4, when Baird Financial Group, Inc. reported 177,282 shares, equal to 0.00% of portfolio, with an estimated market value of $278K.

What does the chart on this WPRT ownership page compare?

The chart compares Baird Financial Group, Inc.'s quarterly WPRT 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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