Which closed-end funds own BioLife Solutions Inc?
3 active closed-end funds report this security in their latest N-PORT filing, with a combined reported value of $9M. Security type: common equity. Country: United States. CUSIP 09062W204 · ISIN US09062W2044 · ticker BLFS.
Holdings are historical filings (report dates May 29, 2026 – Jun 30, 2026; N-PORT becomes public ~60 days after quarter end), not live positions. Weights are percent of each fund’s net assets. Different instruments of one issuer (shares, bonds, preferreds) are separate securities — see related securities below.
Funds holding this security
| Fund | Category | Weight | Value (USD) | Balance | Fund net assets | Prem/disc | Report date |
|---|---|---|---|---|---|---|---|
| RMT Royce Micro-Cap Trust | U.S. Equity | 0.70% | $6.6M | 233,943 sh | $938M | NAV unavailable | Jun 30, 2026 |
| RVT Royce Small-Cap Trust | U.S. Equity | 0.09% | $2.4M | 86,029 sh | $2.6B | 14.0% discount | Jun 30, 2026 |
| GUG Guggenheim Active Allocation Fund | U.S. Equity | 0.00% | $1.5K | 61 sh | $631M | 14.1% discount | May 29, 2026 |
3 positions. Source: SEC Form N-PORT via market-data vendor re-serve. Funds without an N-PORT on file cannot appear here.
Also listed in filings as: BIOLIFE SOLUTIONS INC.
Issuer-level search for “BLFS” → · Compare two funds’ portfolios →