CRAMER ROSENTHAL MCGLYNN LLC BLFS — BIOLIFE SOLUTIONS INC

Ownership history in CRAMER ROSENTHAL MCGLYNN LLC  ·  8 quarters on record

AI Ownership Summary

CRAMER ROSENTHAL MCGLYNN LLC reported BIOLIFE SOLUTIONS INC (BLFS) in 8 quarterly 13F filings from 2024 Q1 through 2026 Q1. Peak portfolio weight reached 1.64% in 2024 Q2. The latest visible filing shows BLFS at 0.89% 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 BLFS ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was CRAMER ROSENTHAL MCGLYNN LLC's position in BIOLIFE SOLUTIONS INC, 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

BLFS was reported at 0.89% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
1.64% in 2024 Q2

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

Time in book
Holding Window
2024 Q1 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.

BLFS stock page CRAMER ROSENTHAL MCGLYNN LLC fund profile CRAMER ROSENTHAL MCGLYNN LLC full holdings
How CRAMER ROSENTHAL MCGLYNN LLC held BLFS — position size vs. price
% of Fund (quarterly)    BLFS price (quarter-end, indexed to 100)    SPY (indexed to 100)    QQQ (indexed to 100)
📋 Quarterly Holdings History 8 quarters  ▾
Quarter Action Sold % After 3M Timing Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2026 Q1 ADDED — — — 632,812 +536,222 +555.2% 0.89% $12.1M 2026-05-15 $20.76
2025 Q3 REDUCED 86.3% -1.5% ✅ 96,590 -607,565 -86.3% 0.15% $2.5M 2025-11-12 $25.92
2025 Q2 ADDED — — — 704,155 +19,770 +2.9% 1.04% $15.2M 2025-08-11 $22.37
2025 Q1 REDUCED 24.4% -5.7% ✅ 684,385 -221,367 -24.4% 1.13% $15.6M 2025-05-14 $22.05
2024 Q4 REDUCED 17.9% -12.0% ✅ 905,752 -196,907 -17.9% 1.33% $23.5M 2025-02-13 $27.14
2024 Q3 REDUCED 15.2% +4.9% ❌ 1,102,659 -198,170 -15.2% 1.53% $27.6M 2024-11-14 $21.65
2024 Q2 ADDED — — — 1,300,829 +133,601 +11.4% 1.64% $27.9M 2024-08-13 $26.52
2024 Q1 INITIATED — — — 1,167,228 — — 1.18% $21.7M 2024-05-14 $22.43

🏢 Other funds also holding BLFS

As of 2026 Q1 — sorted by position size

Casdin Capital, LLC 3Y 7Y 8.61% Heights Point Management, LP 4.12% Gagnon Advisors, LLC 3Y 7Y 3.85% GAGNON SECURITIES LLC 3Y 7Y 2.36% Summit Creek Advisors LLC 3Y 7Y 1.21% Granahan Investment Management, LLC 3Y 7Y 0.67% NEXT CENTURY GROWTH INVESTORS LLC 3Y 7Y 0.5% PALISADE CAPITAL MANAGEMENT, LP 3Y 7Y 0.48% Ranger Investment Management, L.P. 3Y 7Y 0.37% Uniplan Investment Counsel, Inc. 3Y 7Y 0.36%

FAQ About CRAMER ROSENTHAL MCGLYNN LLC and BLFS

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

How long has CRAMER ROSENTHAL MCGLYNN LLC reported owning BLFS?

CRAMER ROSENTHAL MCGLYNN LLC reported BLFS across 8 quarterly 13F filings, from 2024 Q1 through 2026 Q1.

What was the largest reported BLFS position in CRAMER ROSENTHAL MCGLYNN LLC's portfolio?

The largest reported portfolio weight for BLFS was 1.64% in 2024 Q2.

What is the latest reported BLFS position on this page?

The most recent filing on this page is 2026 Q1, when CRAMER ROSENTHAL MCGLYNN LLC reported 632,812 shares, equal to 0.89% of portfolio, with an estimated market value of $12.1M.

What does the chart on this BLFS ownership page compare?

The chart compares CRAMER ROSENTHAL MCGLYNN LLC's quarterly BLFS 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 CRAMER ROSENTHAL MCGLYNN LLC time their BLFS position?

Based on 13F filing dates vs. subsequent BLFS price moves, CRAMER ROSENTHAL MCGLYNN LLC correctly timed 4 out of 7 reported position changes (57%). The annualised alpha on BLFS relative to SPY over the holding period was -20.0%.

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