SG Americas Securities, LLC XENE — XENON PHARMACEUTICALS INC COM

Ownership history in SG Americas Securities, LLC  ·  16 quarters on record

AI Ownership Summary

SG Americas Securities, LLC reported XENON PHARMACEUTICALS INC COM (XENE) in 16 quarterly 13F filings from 2023 Q4 through 2026 Q1. Peak portfolio weight reached 0.01% in 2023 Q4. The latest visible filing shows XENE 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 XENE ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was SG Americas Securities, LLC's position in XENON PHARMACEUTICALS INC 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
2026 Q1

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

High-water mark
Peak Conviction
0.01% 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 2026 Q1

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.

XENE stock page SG Americas Securities, LLC fund profile SG Americas Securities, LLC full holdings
How SG Americas Securities, LLC held XENE — position size vs. price
% of Fund (quarterly)    XENE price (quarter-end, indexed to 100)    SPY (indexed to 100)    QQQ (indexed to 100)
📋 Quarterly Holdings History 10 quarters  ▾
Quarter Action Sold % After 3M Timing Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2026 Q1 ADDED — — — 9,119 +2,042 +28.9% 0.00% $530 2026-04-16 $58.43
2025 Q4 ADDED — — — 7,077 +149 +2.2% 0.00% $317K 2026-01-09 $42.15
2025 Q3 REDUCED 63.9% +10.4% ❌ 6,928 -12,249 -63.9% 0.00% $278K 2025-11-14 (Est.) $40.76
2025 Q2 ADDED — — — 19,177 +10,522 +121.6% 0.00% $600K 2025-08-08 $33.43
2025 Q1 REDUCED 34.9% -6.7% ✅ 8,655 -4,638 -34.9% 0.00% $290K 2025-04-15 $33.03
2024 Q4 ADDED — — — 13,293 +5,577 +72.3% 0.00% $521K 2025-01-17 $38.52
2024 Q3 REDUCED 70.5% -2.1% ✅ 7,716 -18,463 -70.5% 0.00% $304K 2024-10-03 $39.70
2024 Q2 ADDED — — — 26,179 +5,813 +28.5% 0.01% $1.0M 2024-07-12 $42.92
2024 Q1 ADDED — — — 20,366 +1,760 +9.5% 0.00% $877K 2024-05-06 $43.19
2023 Q4 REDUCED 67.2% -8.5% ✅ 18,606 -38,146 -67.2% 0.01% $857K 2024-01-12 $45.09
6 older quarters hidden  —  Sign in free or upgrade to Premium to see full history

🏢 Other funds also holding XENE

As of 2026 Q1 — sorted by position size

PEREGRINE CAPITAL MANAGEMENT LLC 3Y 7Y 0.31% SANDERS MORRIS HARRIS LLC 3Y 7Y 0.2% PSP Research LLC 0.17% Elmwood Wealth Management, Inc. 3Y 7Y 0.16% LETSON INVESTMENT MANAGEMENT, INC. 0.13% NJ State Employees Deferred Compensation Plan 3Y 7Y 0.11% FNY Investment Advisers, LLC 3Y 7Y 0.11% Pictet Asset Management Holding SA 0.04% Bayforest Capital Ltd 0.04% OPPENHEIMER ASSET MANAGEMENT INC. 3Y 7Y 0.0%

FAQ About SG Americas Securities, LLC and XENE

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

How long has SG Americas Securities, LLC reported owning XENE?

SG Americas Securities, LLC reported XENE across 10 quarterly 13F filings, from 2023 Q4 through 2026 Q1.

What was the largest reported XENE position in SG Americas Securities, LLC's portfolio?

The largest reported portfolio weight for XENE was 0.01% in 2023 Q4.

What is the latest reported XENE position on this page?

The most recent filing on this page is 2026 Q1, when SG Americas Securities, LLC reported 9,119 shares, equal to 0.00% of portfolio, with an estimated market value of $530.

What does the chart on this XENE ownership page compare?

The chart compares SG Americas Securities, LLC's quarterly XENE 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 SG Americas Securities, LLC time their XENE position?

Based on 13F filing dates vs. subsequent XENE price moves, SG Americas Securities, LLC correctly timed 8 out of 15 reported position changes (53%). The annualised alpha on XENE relative to SPY over the holding period was +3.0%.

← Back to SG Americas Securities, LLC Holdings