JANE STREET GROUP, LLC YCS — PROSHARES TR II

Ownership history in JANE STREET GROUP, LLC  ·  62 quarters on record

AI Ownership Summary

JANE STREET GROUP, LLC reported PROSHARES TR II (YCS) in 62 quarterly 13F filings from 2024 Q2 through 2026 Q1. The latest visible filing shows YCS 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 YCS ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was JANE STREET GROUP, LLC's position in PROSHARES TR II, 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

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

High-water mark
Peak Conviction
0.0% 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
2024 Q2 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.

YCS stock page JANE STREET GROUP, LLC fund profile JANE STREET GROUP, LLC full holdings
How JANE STREET GROUP, LLC held YCS — position size vs. price
% of Fund (quarterly)    YCS price (quarter-end, indexed to 100)    SPY (indexed to 100)    QQQ (indexed to 100)
📋 Quarterly Holdings History 11 quarters  ▾
Quarter Action Sold % After 3M Timing Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2026 Q1 ADDED — — — 13,343 +2,223 +20.0% 0.00% $707K 2026-05-12 $52.74
2025 Q4 REDUCED 69.8% +4.1% ❌ 11,120 -25,680 -69.8% 0.00% $566K 2026-02-12 $48.71
2025 Q1 ADDED — — — 36,800 +16,800 +84.0% 0.00% $1.6M 2025-05-14 $42.49
2025 Q1 ADDED — — — 20,000 +11,900 +146.9% 0.00% $886K 2025-05-14 $42.49
2024 Q4 REDUCED 79.6% -5.1% ✅ 8,100 -31,700 -79.6% 0.00% $378K 2025-02-14 $45.22
2024 Q4 REDUCED 33.4% -5.1% ✅ 39,800 -20,000 -33.4% 0.00% $1.9M 2025-02-14 $45.22
2024 Q4 ADDED — — — 59,800 +55,442 +1272.2% 0.00% $2.8M 2025-02-14 $45.22
2024 Q3 REDUCED 51.6% +21.7% ❌ 4,358 -4,642 -51.6% 0.00% $339K 2024-11-15 $45.37
2024 Q3 REDUCED 82.8% +21.7% ❌ 9,000 -43,200 -82.8% 0.00% $700K 2024-11-15 $45.37
2024 Q3 ADDED — — — 52,200 +17,999 +52.6% 0.00% $4.1M 2024-11-15 $45.37
2024 Q2 ADDED — — — 34,201 +29,136 +575.2% 0.00% $3.3M 2024-08-15 $41.32
51 older quarters hidden  —  Sign in free or upgrade to Premium to see full history

🏢 Other funds also holding YCS

As of 2026 Q1 — sorted by position size

NKCFO LLC 3Y 7Y 1.0% Estate Planners Group, LLC 0.01% CITADEL ADVISORS LLC 3Y 7Y 0.0% CITADEL ADVISORS LLC 3Y 7Y 0.0% SUSQUEHANNA INTERNATIONAL GROUP, LLP 3Y 7Y 0.0% SUSQUEHANNA INTERNATIONAL GROUP, LLP 3Y 7Y 0.0% SUSQUEHANNA INTERNATIONAL GROUP, LLP 3Y 7Y 0.0% MORGAN STANLEY 3Y 7Y 0.0% OSAIC HOLDINGS, INC. 3Y 0.0%

FAQ About JANE STREET GROUP, LLC and YCS

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

How long has JANE STREET GROUP, LLC reported owning YCS?

JANE STREET GROUP, LLC reported YCS across 11 quarterly 13F filings, from 2024 Q2 through 2026 Q1.

What was the largest reported YCS position in JANE STREET GROUP, LLC's portfolio?

The largest reported portfolio weight for YCS was 0.00% in 2024 Q3.

What is the latest reported YCS position on this page?

The most recent filing on this page is 2026 Q1, when JANE STREET GROUP, LLC reported 13,343 shares, equal to 0.00% of portfolio, with an estimated market value of $707K.

What does the chart on this YCS ownership page compare?

The chart compares JANE STREET GROUP, LLC's quarterly YCS 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 JANE STREET GROUP, LLC time their YCS position?

Based on 13F filing dates vs. subsequent YCS price moves, JANE STREET GROUP, LLC correctly timed 33 out of 61 reported position changes (54%). The annualised alpha on YCS relative to SPY over the holding period was -30.0%.

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