OBERWEIS ASSET MANAGEMENT INC/ BTSG — BrightSpring Health Services

Ownership history in OBERWEIS ASSET MANAGEMENT INC/  ·  5 quarters on record

AI Ownership Summary

OBERWEIS ASSET MANAGEMENT INC/ reported BrightSpring Health Services (BTSG) in 5 quarterly 13F filings from 2025 Q2 through 2026 Q2. Peak portfolio weight reached 1.71% in 2026 Q2. The latest visible filing shows BTSG at 1.71% 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.

What this BTSG ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was OBERWEIS ASSET MANAGEMENT INC/'s position in BrightSpring Health Services, 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 Q2

BTSG was reported at 1.71% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
1.71% in 2026 Q2

Peak weight helps separate a token disclosure from a real conviction holding the fund genuinely cared about.

Time in book
Holding Window
2025 Q2 to 2026 Q2

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.

BTSG stock page OBERWEIS ASSET MANAGEMENT INC/ fund profile OBERWEIS ASSET MANAGEMENT INC/ full holdings
How OBERWEIS ASSET MANAGEMENT INC/ held BTSG — position size vs. price
% of Fund (quarterly)    BTSG price (quarter-end, indexed to 100)    SPY (indexed to 100)    QQQ (indexed to 100)
📋 Quarterly Holdings History 5 quarters  ▾
Quarter Action Sold % After 3M Timing Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2026 Q2 ADDED — — — 1,185,280 +26,310 +2.3% 1.71% $82.7M 2026-08-14 $61.71
2026 Q1 ADDED — — — 1,158,970 +250,970 +27.6% 1.46% $49.4M 2026-05-15 $57.90
2025 Q4 UNCHANGED — — — 908,000 — 0% 1.24% $34.0M 2026-02-17 $38.46
2025 Q3 ADDED — — — 908,000 +132,200 +17.0% 1.03% $26.8M 2025-11-17 $31.36
2025 Q2 INITIATED — — — 775,800 — — 0.80% $18.3M 2025-08-14 $22.58

🏢 Other funds also holding BTSG

As of 2026 Q2 — sorted by position size

Kohlberg Kravis Roberts & Co. L.P. 3Y 7Y 32.78% Sea Cliff Partners Management, LP 16.98% ALTA FOX CAPITAL MANAGEMENT, LLC 3Y 13.7% Artia Global Partners LP 3Y 6.66% Renaissance Capital LLC 3Y 3.12% CHASE INVESTMENT COUNSEL CORP 3Y 7Y 2.89% SEVEN GRAND MANAGERS, LLC 3Y 2.81% Lisanti Capital Growth, LLC 3Y 7Y 2.37% ARDSLEY ADVISORY PARTNERS LP 3Y 7Y 2.36% Science & Technology Partners, L.P. 2.07%

FAQ About OBERWEIS ASSET MANAGEMENT INC/ and BTSG

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

How long has OBERWEIS ASSET MANAGEMENT INC/ reported owning BTSG?

OBERWEIS ASSET MANAGEMENT INC/ reported BTSG across 5 quarterly 13F filings, from 2025 Q2 through 2026 Q2.

What was the largest reported BTSG position in OBERWEIS ASSET MANAGEMENT INC/'s portfolio?

The largest reported portfolio weight for BTSG was 1.71% in 2026 Q2.

What is the latest reported BTSG position on this page?

The most recent filing on this page is 2026 Q2, when OBERWEIS ASSET MANAGEMENT INC/ reported 1,185,280 shares, equal to 1.71% of portfolio, with an estimated market value of $82.7M.

What does the chart on this BTSG ownership page compare?

The chart compares OBERWEIS ASSET MANAGEMENT INC/'s quarterly BTSG 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 OBERWEIS ASSET MANAGEMENT INC/ time their BTSG position?

Based on 13F filing dates vs. subsequent BTSG price moves, OBERWEIS ASSET MANAGEMENT INC/ correctly timed 3 out of 3 reported position changes (100%). The annualised alpha on BTSG relative to SPY over the holding period was +704.4%.

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