TRILLIUM ASSET MANAGEMENT, LLC STEP — STEPSTONE GROUP INC

Ownership history in TRILLIUM ASSET MANAGEMENT, LLC  ·  4 quarters on record

AI Ownership Summary

TRILLIUM ASSET MANAGEMENT, LLC reported STEPSTONE GROUP INC (STEP) in 4 quarterly 13F filings from 2025 Q3 through 2026 Q2. Peak portfolio weight reached 0.14% in 2025 Q3. The latest visible filing shows STEP at 0.14% 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 STEP ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was TRILLIUM ASSET MANAGEMENT, LLC's position in STEPSTONE GROUP 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

STEP was reported at 0.14% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
0.14% in 2025 Q3

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.

STEP stock page TRILLIUM ASSET MANAGEMENT, LLC fund profile TRILLIUM ASSET MANAGEMENT, LLC full holdings
How TRILLIUM ASSET MANAGEMENT, LLC held STEP — position size vs. price
% of Fund (quarterly)    STEP 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 — — — 106,446 +44,313 +71.3% 0.14% $4.4M 2026-08-11 $46.15
2026 Q1 REDUCED 9.2% -14.0% ✅ 62,133 -6,325 -9.2% 0.11% $3.2M 2026-05-11 $54.70
2025 Q4 REDUCED 16.5% -25.2% ✅ 68,458 -13,518 -16.5% 0.14% $4.6M 2026-02-13 $55.37
2025 Q3 INITIATED — — — 81,976 — — 0.14% $5.4M 2025-11-14 $61.27

🏢 Other funds also holding STEP

As of 2026 Q2 — sorted by position size

Delta Global Management LP 0.78% GEORGE KAISER FAMILY FOUNDATION 3Y 7Y 0.49% IBEX WEALTH ADVISORS 3Y 7Y 0.39% Ceredex Value Advisors LLC 3Y 7Y 0.26% WASATCH ADVISORS LP 3Y 7Y 0.25% WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC 3Y 7Y 0.24% WESTFIELD CAPITAL MANAGEMENT CO LP 3Y 7Y 0.23% TimesSquare Capital Management, LLC 3Y 7Y 0.21% SEGALL BRYANT & HAMILL, LLC 3Y 7Y 0.13% GSA CAPITAL PARTNERS LLP 3Y 7Y 0.13%

FAQ About TRILLIUM ASSET MANAGEMENT, LLC and STEP

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

How long has TRILLIUM ASSET MANAGEMENT, LLC reported owning STEP?

TRILLIUM ASSET MANAGEMENT, LLC reported STEP across 4 quarterly 13F filings, from 2025 Q3 through 2026 Q2.

What was the largest reported STEP position in TRILLIUM ASSET MANAGEMENT, LLC's portfolio?

The largest reported portfolio weight for STEP was 0.14% in 2025 Q3.

What is the latest reported STEP position on this page?

The most recent filing on this page is 2026 Q2, when TRILLIUM ASSET MANAGEMENT, LLC reported 106,446 shares, equal to 0.14% of portfolio, with an estimated market value of $4.4M.

What does the chart on this STEP ownership page compare?

The chart compares TRILLIUM ASSET MANAGEMENT, LLC's quarterly STEP 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 TRILLIUM ASSET MANAGEMENT, LLC time their STEP position?

Based on 13F filing dates vs. subsequent STEP price moves, TRILLIUM ASSET MANAGEMENT, LLC correctly timed 2 out of 3 reported position changes (67%). The annualised alpha on STEP relative to SPY over the holding period was -44.0%.

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