SEM Select Medical Holdings Corp COM

Ownership history in DENALI ADVISORS LLC  ·  30 quarters on record

AI Ownership Summary

DENALI ADVISORS LLC reported Select Medical Holdings Corp COM (SEM) in 30 quarterly 13F filings from 2023 Q4 through 2025 Q4. Peak portfolio weight reached 1.11% in 2024 Q1. The latest visible filing shows SEM at 0.43% 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 SEM ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was DENALI ADVISORS LLC's position in Select Medical Holdings Corp 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
2025 Q4

SEM was reported at 0.43% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
1.11% in 2024 Q1

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.

How DENALI ADVISORS LLC held SEM — position size vs. price
% of Fund (quarterly)    SEM price (quarter-end, indexed to 100)
📋 Quarterly Holdings History 5 quarters  
Quarter Action Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2025 Q4 ADDED 263,100 +244,449 +1310.6% 0.43% $3.9M 2026-02-14 (Est.) $16.31
2024 Q3 REDUCED 18,651 -78,691 -80.8% 0.07% $650K 2024-11-13 $20.14
2024 Q2 REDUCED 97,342 -28,141 -22.4% 0.93% $3.4M 2024-08-09 $17.11
2024 Q1 ADDED 125,483 +61,700 +96.7% 1.11% $3.8M 2024-04-19 $14.12
2023 Q4 ADDED 63,783 +49,218 +337.9% 0.46% $1.5M 2024-01-19 $13.90
25 older quarters hidden  —  Sign in free or upgrade to Premium to see full history

FAQ About DENALI ADVISORS LLC and SEM

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

How long has DENALI ADVISORS LLC reported owning SEM?

DENALI ADVISORS LLC reported SEM across 5 quarterly 13F filings, from 2023 Q4 through 2025 Q4.

What was the largest reported SEM position in DENALI ADVISORS LLC's portfolio?

The largest reported portfolio weight for SEM was 1.11% in 2024 Q1.

What is the latest reported SEM position on this page?

The most recent filing on this page is 2025 Q4, when DENALI ADVISORS LLC reported 263,100 shares, equal to 0.43% of portfolio, with an estimated market value of $3.9M.

What does the chart on this SEM ownership page compare?

The chart compares DENALI ADVISORS LLC's quarterly SEM 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.

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