CSS LLC/IL TLT — ISHARES

Ownership history in CSS LLC/IL  ·  54 quarters on record

AI Ownership Summary

CSS LLC/IL reported ISHARES (TLT) in 54 quarterly 13F filings from 2024 Q2 through 2026 Q1. Peak portfolio weight reached 1.22% in 2025 Q1. The latest visible filing shows TLT at 0.07% 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 TLT ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was CSS LLC/IL's position in ISHARES, 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

TLT was reported at 0.07% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
1.22% 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
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.

TLT stock page CSS LLC/IL fund profile CSS LLC/IL full holdings
How CSS LLC/IL held TLT — position size vs. price
% of Fund (quarterly)    TLT 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)
2026 Q1 REDUCED — — — 17,670 -112,330 -86.4% 0.07% $1.5M 2026-05-15 $83.33
2026 Q1 ADDED — — — 130,000 +80,000 +160.0% 0.54% $11.3M 2026-05-15 $83.33
2026 Q1 ADDED — — — 50,000 +6,000 +13.6% 0.21% $4.3M 2026-05-15 $83.33
2025 Q4 ADDED — — — 44,000 +4,000 +10.0% 0.17% $3.8M 2026-02-17 $88.54
2025 Q3 ADDED — — — 40,000 +20,000 +100.0% 0.16% $3.6M 2025-11-13 $87.07
2025 Q3 REDUCED 89.1% -0.0% ✅ 20,000 -164,000 -89.1% 0.08% $1.8M 2025-11-13 $87.07
2025 Q2 REDUCED 24.8% +2.7% ❌ 184,000 -60,800 -24.8% 0.76% $16.2M 2025-08-14 $83.85
2025 Q1 ADDED — — — 244,800 +241,840 +8170.3% 1.22% $22.3M 2025-05-15 $82.01
2024 Q4 REDUCED 70.4% +4.9% ❌ 2,960 -7,040 -70.4% 0.01% $258K 2025-02-18 $83.08
2024 Q4 REDUCED 87.5% +4.9% ❌ 10,000 -70,000 -87.5% 0.04% $873K 2025-02-18 $83.08
2024 Q4 REDUCED 58.1% +4.9% ❌ 80,000 -110,900 -58.1% 0.31% $7.0M 2025-02-18 $83.08
2024 Q3 ADDED — — — 190,900 +79,800 +71.8% 0.86% $18.7M 2024-11-14 $84.25
2024 Q2 ADDED — — — 111,100 +110,400 +15771.4% 0.52% $10.2M 2024-08-14 $90.41
41 older quarters hidden  —  Sign in free or upgrade to Premium to see full history

🏢 Other funds also holding TLT

As of 2026 Q1 — sorted by position size

Pureheart Capital Pte Ltd. 100.0% Metavasi Capital LP 3Y 39.21% BRIGADE CAPITAL MANAGEMENT, LP 3Y 7Y 22.05% Cadence Wealth Management LLC 3Y 19.96% MY Wealth Management Inc. 3Y 15.13% SONA ASSET MANAGEMENT (US) LLC 3Y 14.95% SHEPHERD WEALTH MANAGEMENT Ltd LIABILITY Co 13.81% Waratah Capital Advisors Ltd. 3Y 7Y 13.26% LONESTAR CAPITAL MANAGEMENT LLC 3Y 7Y 12.92% Glenorchy Capital Ltd 12.3%

FAQ About CSS LLC/IL and TLT

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

How long has CSS LLC/IL reported owning TLT?

CSS LLC/IL reported TLT across 13 quarterly 13F filings, from 2024 Q2 through 2026 Q1.

What was the largest reported TLT position in CSS LLC/IL's portfolio?

The largest reported portfolio weight for TLT was 1.22% in 2025 Q1.

What is the latest reported TLT position on this page?

The most recent filing on this page is 2026 Q1, when CSS LLC/IL reported 17,670 shares, equal to 0.07% of portfolio, with an estimated market value of $1.5M.

What does the chart on this TLT ownership page compare?

The chart compares CSS LLC/IL's quarterly TLT 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 CSS LLC/IL time their TLT position?

Based on 13F filing dates vs. subsequent TLT price moves, CSS LLC/IL correctly timed 22 out of 38 reported position changes (58%). The annualised alpha on TLT relative to SPY over the holding period was -10.5%.

← Back to CSS LLC/IL Holdings