Parallax Volatility Advisers, L.P. BMO — BANK MONTREAL QUE

Ownership history in Parallax Volatility Advisers, L.P.  ·  55 quarters on record

AI Ownership Summary

Parallax Volatility Advisers, L.P. reported BANK MONTREAL QUE (BMO) in 55 quarterly 13F filings from 2023 Q4 through 2025 Q4. Peak portfolio weight reached 0.13% in 2024 Q3. The latest visible filing shows BMO 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 BMO ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was Parallax Volatility Advisers, L.P.'s position in BANK MONTREAL QUE, 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

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

High-water mark
Peak Conviction
0.13% in 2024 Q3

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.

BMO stock page Parallax Volatility Advisers, L.P. fund profile Parallax Volatility Advisers, L.P. full holdings
How Parallax Volatility Advisers, L.P. held BMO — position size vs. price
% of Fund (quarterly)    BMO price (quarter-end, indexed to 100)    SPY (indexed to 100)    QQQ (indexed to 100)
📋 Quarterly Holdings History 13 quarters  ▾
Quarter Action Sold % After 3M Timing Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2025 Q4 REDUCED 98.1% +4.3% ❌ 1,250 -63,750 -98.1% 0.00% $162K 2026-02-17 $140.31
2025 Q4 UNCHANGED — — — 65,000 — 0% 0.02% $8.4M 2026-02-17 $140.31
2025 Q3 UNCHANGED — — — 65,000 — 0% 0.01% $8.5M 2025-11-14 $122.96
2025 Q3 UNCHANGED — — — 65,000 — 0% 0.01% $8.5M 2025-11-14 $122.96
2025 Q2 UNCHANGED — — — 65,000 — 0% 0.02% $7.2M 2025-08-14 $113.25
2025 Q2 UNCHANGED — — — 65,000 — 0% 0.02% $7.2M 2025-08-14 $113.25
2025 Q1 UNCHANGED — — — 65,000 — 0% 0.02% $6.2M 2025-05-15 $100.91
2025 Q1 REDUCED 42.2% +17.2% ❌ 65,000 -47,500 -42.2% 0.02% $6.2M 2025-05-15 $100.91
2024 Q4 REDUCED 71.2% -0.5% ✅ 112,500 -278,700 -71.2% 0.02% $10.9M 2025-02-14 $98.00
2024 Q4 REDUCED 50.4% -0.5% ✅ 391,200 -398,000 -50.4% 0.07% $38.0M 2025-02-14 $98.00
2024 Q3 ADDED — — — 789,200 +768,400 +3694.2% 0.13% $71.2M 2024-11-14 $89.59
2024 Q1 ADDED — — — 20,800 +16,900 +433.3% 0.00% $2.0M 2024-05-15 $89.11
2023 Q4 REDUCED 86.5% -0.2% ✅ 3,900 -25,000 -86.5% 0.00% $386K 2024-02-14 $85.58
42 older quarters hidden  —  Sign in free or upgrade to Premium to see full history

🏢 Other funds also holding BMO

As of 2026 Q1 — sorted by position size

CANERECTOR INC 11.16% Scheer, Rowlett & Associates Investment Management Ltd. 3Y 7Y 5.81% BANK OF NOVA SCOTIA TRUST CO 3Y 7Y 5.76% Rempart Asset Management Inc. 3Y 5.45% Aviso Financial Inc. 4.8% Value Partners Investments Inc. 3Y 4.54% SIG North Trading, ULC 3Y 4.54% Guardian Partners Inc. 4.16% MUFG SECURITIES (CANADA), LTD. 3Y 4.07% Cardinal Capital Management, Inc. 3Y 7Y 3.65%

FAQ About Parallax Volatility Advisers, L.P. and BMO

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

How long has Parallax Volatility Advisers, L.P. reported owning BMO?

Parallax Volatility Advisers, L.P. reported BMO across 13 quarterly 13F filings, from 2023 Q4 through 2025 Q4.

What was the largest reported BMO position in Parallax Volatility Advisers, L.P.'s portfolio?

The largest reported portfolio weight for BMO was 0.13% in 2024 Q3.

What is the latest reported BMO position on this page?

The most recent filing on this page is 2025 Q4, when Parallax Volatility Advisers, L.P. reported 1,250 shares, equal to 0.00% of portfolio, with an estimated market value of $162K.

What does the chart on this BMO ownership page compare?

The chart compares Parallax Volatility Advisers, L.P.'s quarterly BMO 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 Parallax Volatility Advisers, L.P. time their BMO position?

Based on 13F filing dates vs. subsequent BMO price moves, Parallax Volatility Advisers, L.P. correctly timed 25 out of 46 reported position changes (54%). The annualised alpha on BMO relative to SPY over the holding period was -4.3%.

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