ARCH CAPITAL GROUP LTD. JAAA — JANUS DETROIT STR TR

Ownership history in ARCH CAPITAL GROUP LTD.  ·  12 quarters on record

AI Ownership Summary

ARCH CAPITAL GROUP LTD. reported JANUS DETROIT STR TR (JAAA) in 12 quarterly 13F filings from 2023 Q4 through 2026 Q1. Peak portfolio weight reached 93.78% in 2024 Q4. The latest visible filing shows JAAA at 68.37% 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 JAAA ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was ARCH CAPITAL GROUP LTD.'s position in JANUS DETROIT STR TR, 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

JAAA was reported at 68.37% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
93.78% in 2024 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.

JAAA stock page ARCH CAPITAL GROUP LTD. fund profile ARCH CAPITAL GROUP LTD. full holdings
How ARCH CAPITAL GROUP LTD. held JAAA — position size vs. price
% of Fund (quarterly)    JAAA 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 UNCHANGED — — — 3,941,665 — 0% 68.37% $199K 2026-05-05 $50.56
2025 Q4 UNCHANGED — — — 3,941,665 — 0% 68.22% $199.4M 2026-02-09 $50.09
2025 Q3 UNCHANGED — — — 3,941,665 — 0% 68.13% $200.2M 2025-11-06 $49.37
2025 Q2 UNCHANGED — — — 3,941,665 — 0% 68.21% $200.0M 2025-08-05 $48.74
2025 Q1 REDUCED 50.2% +1.5% ❌ 3,941,665 -3,973,680 -50.2% 55.74% $199.9M 2025-05-07 $48.00
2024 Q4 ADDED — — — 7,915,345 +2,607,700 +49.1% 93.78% $401.4M 2025-02-10 $47.74
2024 Q3 ADDED — — — 5,307,645 +3,053,000 +135.4% 69.82% $270.1M 2024-11-07 $46.89
2024 Q2 REDUCED 44.5% +1.6% ❌ 2,254,645 -1,804,183 -44.5% 50.25% $114.7M 2024-08-06 $46.05
2024 Q1 ADDED — — — 4,058,828 +3,958,828 +3958.8% 35.07% $205.9M 2024-05-09 $45.36
2023 Q4 UNCHANGED — — — 100,000 — 0% 1.76% $5.0M 2024-02-14 $44.54
2 older quarters hidden  —  Sign in free or upgrade to Premium to see full history

🏢 Other funds also holding JAAA

As of 2026 Q1 — sorted by position size

ADVISORS MANAGEMENT GROUP INC /ADV 3Y 7Y 17.6% Diesslin Group, Inc. 14.47% Three Cord True Wealth Management, LLC 10.79% PFS Partners, LLC 10.6% BARINGS LLC 3Y 7Y 10.5% FIRETHORN WEALTH PARTNERS, LLC 3Y 9.88% Tower Wealth Partners, Inc. 3Y 9.51% HIGHLINE WEALTH PARTNERS LLC 9.43% MIDLAND WEALTH ADVISORS, LLC 9.28% Whipplewood Advisors, LLC 8.98%

FAQ About ARCH CAPITAL GROUP LTD. and JAAA

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

How long has ARCH CAPITAL GROUP LTD. reported owning JAAA?

ARCH CAPITAL GROUP LTD. reported JAAA across 10 quarterly 13F filings, from 2023 Q4 through 2026 Q1.

What was the largest reported JAAA position in ARCH CAPITAL GROUP LTD.'s portfolio?

The largest reported portfolio weight for JAAA was 93.78% in 2024 Q4.

What is the latest reported JAAA position on this page?

The most recent filing on this page is 2026 Q1, when ARCH CAPITAL GROUP LTD. reported 3,941,665 shares, equal to 68.37% of portfolio, with an estimated market value of $199K.

What does the chart on this JAAA ownership page compare?

The chart compares ARCH CAPITAL GROUP LTD.'s quarterly JAAA 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 ARCH CAPITAL GROUP LTD. time their JAAA position?

Based on 13F filing dates vs. subsequent JAAA price moves, ARCH CAPITAL GROUP LTD. correctly timed 4 out of 6 reported position changes (67%). The annualised alpha on JAAA relative to SPY over the holding period was -8.6%.

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