Warther Private Wealth, LLC IBKR — INTERACTIVE BROKERS GROUP INC COM CL A

Ownership history in Warther Private Wealth, LLC  ·  8 quarters on record

AI Ownership Summary

Warther Private Wealth, LLC reported INTERACTIVE BROKERS GROUP INC COM CL A (IBKR) in 8 quarterly 13F filings from 2023 Q4 through 2025 Q3. Peak portfolio weight reached 3.59% in 2025 Q1. The latest visible filing shows IBKR at 0.16% 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 IBKR ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was Warther Private Wealth, LLC's position in INTERACTIVE BROKERS GROUP INC COM CL A, 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

IBKR was reported at 0.16% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
3.59% in 2025 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 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.

IBKR stock page Warther Private Wealth, LLC fund profile Warther Private Wealth, LLC full holdings
How Warther Private Wealth, LLC held IBKR — position size vs. price
% of Fund (quarterly)    IBKR 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 40.6% -4.9% ✅ 9,820 -6,700 -40.6% 0.16% $676K 2025-11-14 $65.81
2025 Q2 REDUCED 75.0% +24.3% ❌ 16,520 -49,435 -75.0% 0.24% $915K 2025-07-30 $65.92
2025 Q1 ADDED — — — 65,955 +8,695 +15.2% 3.59% $10.9M 2025-04-17 $39.64
2024 Q4 REDUCED 11.3% -6.2% ✅ 57,260 -7,315 -11.3% 3.40% $10.1M 2025-01-29 $52.43
2024 Q3 ADDED — — — 64,575 +32,575 +101.8% 3.15% $9.0M 2024-10-23 $36.54
2024 Q2 ADDED — — — 32,000 +3,670 +13.0% 1.54% $3.9M 2024-07-11 $29.94
2024 Q1 REDUCED — — — 28,330 -1,000 -3.4% 1.41% $3.2M 2024-04-30 $28.42
2023 Q4 INITIATED — — — 29,330 — — 1.36% $2.4M 2024-02-07 $23.29

🏢 Other funds also holding IBKR

As of 2026 Q1 — sorted by position size

Oakcliff Capital Partners, LP 3Y 7Y 30.5% Hengistbury Investment Partners LLP 3Y 7Y 29.35% Greenwich Wealth Management LLC 3Y 7Y 27.17% Systrade AG 3Y 22.51% Ancient Art, L.P. 3Y 7Y 18.8% BROOKTREE CAPITAL MANAGEMENT 3Y 14.48% RV Capital AG 3Y 7Y 13.36% Lansing Management LP 3Y 7Y 12.93% Crocodile Capital Partners GmbH 3Y 8.62% Bronte Capital Management Pty Ltd. 3Y 7Y 8.51%

FAQ About Warther Private Wealth, LLC and IBKR

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

How long has Warther Private Wealth, LLC reported owning IBKR?

Warther Private Wealth, LLC reported IBKR across 8 quarterly 13F filings, from 2023 Q4 through 2025 Q3.

What was the largest reported IBKR position in Warther Private Wealth, LLC's portfolio?

The largest reported portfolio weight for IBKR was 3.59% in 2025 Q1.

What is the latest reported IBKR position on this page?

The most recent filing on this page is 2025 Q3, when Warther Private Wealth, LLC reported 9,820 shares, equal to 0.16% of portfolio, with an estimated market value of $676K.

What does the chart on this IBKR ownership page compare?

The chart compares Warther Private Wealth, LLC's quarterly IBKR 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 Warther Private Wealth, LLC time their IBKR position?

Based on 13F filing dates vs. subsequent IBKR price moves, Warther Private Wealth, LLC correctly timed 6 out of 7 reported position changes (86%). The annualised alpha on IBKR relative to SPY over the holding period was +50.1%.

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