GREAT LAKES ADVISORS, LLC DUOL — Duolingo Inc Cl A Com

Ownership history in GREAT LAKES ADVISORS, LLC  ·  9 quarters on record

AI Ownership Summary

GREAT LAKES ADVISORS, LLC reported Duolingo Inc Cl A Com (DUOL) in 9 quarterly 13F filings from 2023 Q4 through 2025 Q3. Peak portfolio weight reached 0.13% in 2023 Q4. The latest visible filing shows DUOL at 0.03% 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 DUOL ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was GREAT LAKES ADVISORS, LLC's position in Duolingo Inc Cl A Com, 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 Q3

DUOL was reported at 0.03% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
0.13% in 2023 Q4

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 Q3

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.

DUOL stock page GREAT LAKES ADVISORS, LLC fund profile GREAT LAKES ADVISORS, LLC full holdings
How GREAT LAKES ADVISORS, LLC held DUOL — position size vs. price
% of Fund (quarterly)    DUOL 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)
2025 Q3 REDUCED 49.3% -44.0% ✅ 9,866 -9,607 -49.3% 0.03% $3.2M 2025-11-03 $264.93
2025 Q2 REDUCED 11.6% -19.8% ✅ 19,473 -2,564 -11.6% 0.07% $8.0M 2025-08-11 $340.59
2025 Q1 REDUCED — — — 22,037 -781 -3.4% 0.06% $6.8M 2025-05-16 $529.05
2024 Q4 REDUCED — — — 22,818 -700 -3.0% 0.06% $7.4M 2025-02-10 $401.45
2024 Q3 REDUCED — — — 23,518 -1,172 -4.7% 0.06% $6.6M 2024-11-04 $290.65
2024 Q2 REDUCED 58.4% +35.1% ❌ 24,690 -34,624 -58.4% 0.05% $5.2M 2024-08-06 $165.06
2024 Q1 REDUCED — — — 59,314 -2,111 -3.4% 0.11% $13.1M 2024-05-08 $244.64
2023 Q4 ADDED — — — 61,425 +1,663 +2.8% 0.13% $13.9M 2024-02-08 $185.26
1 older quarter hidden  —  Sign in free or upgrade to Premium to see full history

🏢 Other funds also holding DUOL

As of 2026 Q1 — sorted by position size

Ground Swell Capital, LLC 3Y 7Y 1.94% Green Alpha Advisors, LLC 3Y 0.24% Ahara Advisors LLC 0.21% Bayforest Capital Ltd 0.19% FIDEURAM - INTESA SANPAOLO PRIVATE BANKING S.P.A. 0.14% MRA Advisory Group 3Y 0.11% Quent Capital, LLC 3Y 0.09% Y-Intercept (Hong Kong) Ltd 3Y 0.08% REINHART PARTNERS, LLC. 3Y 7Y 0.06% Legacy Wealth Asset Management, LLC 3Y 0.05%

FAQ About GREAT LAKES ADVISORS, LLC and DUOL

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

How long has GREAT LAKES ADVISORS, LLC reported owning DUOL?

GREAT LAKES ADVISORS, LLC reported DUOL across 8 quarterly 13F filings, from 2023 Q4 through 2025 Q3.

What was the largest reported DUOL position in GREAT LAKES ADVISORS, LLC's portfolio?

The largest reported portfolio weight for DUOL was 0.13% in 2023 Q4.

What is the latest reported DUOL position on this page?

The most recent filing on this page is 2025 Q3, when GREAT LAKES ADVISORS, LLC reported 9,866 shares, equal to 0.03% of portfolio, with an estimated market value of $3.2M.

What does the chart on this DUOL ownership page compare?

The chart compares GREAT LAKES ADVISORS, LLC's quarterly DUOL 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 GREAT LAKES ADVISORS, LLC time their DUOL position?

Based on 13F filing dates vs. subsequent DUOL price moves, GREAT LAKES ADVISORS, LLC correctly timed 5 out of 8 reported position changes (62%). The annualised alpha on DUOL relative to SPY over the holding period was +0.2%.

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