Alta Park Capital, LP TER — Teradyne Inc

Ownership history in Alta Park Capital, LP  ·  4 quarters on record

AI Ownership Summary

Alta Park Capital, LP reported Teradyne Inc (TER) in 4 quarterly 13F filings from 2025 Q3 through 2026 Q2. Peak portfolio weight reached 5.35% in 2026 Q2. The latest visible filing shows TER at 5.35% 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 TER ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was Alta Park Capital, LP's position in Teradyne 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 Q2

TER was reported at 5.35% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
5.35% in 2026 Q2

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

Time in book
Holding Window
2025 Q3 to 2026 Q2

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.

TER stock page Alta Park Capital, LP fund profile Alta Park Capital, LP full holdings
How Alta Park Capital, LP held TER — position size vs. price
% of Fund (quarterly)    TER price (quarter-end, indexed to 100)    SPY (indexed to 100)    QQQ (indexed to 100)
📋 Quarterly Holdings History 4 quarters  ▾
Quarter Action Sold % After 3M Timing Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2026 Q2 ADDED — — — 120,779 +27,243 +29.1% 5.35% $58.4M 2026-08-14 $418.79
2026 Q1 REDUCED 42.7% +56.3% ❌ 93,536 -69,576 -42.7% 4.32% $27.7M 2026-05-15 $337.75
2025 Q4 REDUCED 40.8% +53.2% ❌ 163,112 -112,410 -40.8% 3.80% $31.6M 2026-02-17 $305.41
2025 Q3 INITIATED — — — 275,522 — — 3.31% $37.9M 2025-11-14 $169.71

🏢 Other funds also holding TER

As of 2026 Q2 — sorted by position size

WINSLOW ASSET MANAGEMENT INC 3Y 7Y 9.95% Fourier Capital Management Ltd 9.02% Robocap Asset Management Ltd 8.36% Anther Capital Ltd 8.26% Totem Point Management, LLC 3Y 7Y 6.52% WT Asset Management Ltd 3Y 7Y 6.32% Tensor Edge Capital, LLC 5.72% Carmel Capital Management L.L.C. 3Y 4.45% LONE PINE CAPITAL LLC 3Y 7Y 4.42% Grand Alliance Asset Management Ltd 4.36%

FAQ About Alta Park Capital, LP and TER

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

How long has Alta Park Capital, LP reported owning TER?

Alta Park Capital, LP reported TER across 4 quarterly 13F filings, from 2025 Q3 through 2026 Q2.

What was the largest reported TER position in Alta Park Capital, LP's portfolio?

The largest reported portfolio weight for TER was 5.35% in 2026 Q2.

What is the latest reported TER position on this page?

The most recent filing on this page is 2026 Q2, when Alta Park Capital, LP reported 120,779 shares, equal to 5.35% of portfolio, with an estimated market value of $58.4M.

What does the chart on this TER ownership page compare?

The chart compares Alta Park Capital, LP's quarterly TER 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 Alta Park Capital, LP time their TER position?

Based on 13F filing dates vs. subsequent TER price moves, Alta Park Capital, LP correctly timed 1 out of 3 reported position changes (33%). The annualised alpha on TER relative to SPY over the holding period was +1063.7%.

← Back to Alta Park Capital, LP Holdings