BLFS close: $10.9 on 2023-08-21 to $37.1 on 2026-08-21.
Split-adj closes · 240 of 5,308 · price returnⓘ
At a glance
Short interest9.3% of sh out
Days to cover2.1d
13F net flow (QoQ)+2.37%
Top-10 13F concentration58.5%
Next report (est.)2026-11-05
SI 2026-07-31 · 13F 2026-Q1ⓘ
Key fundamentalsFY 2025
Sales (TTM)$106.7M
Earnings (TTM)$58.0M
ROE−1.3%
Net margin−4.8%
ROIC−4.3%
Debt / equity0.01×
Sales growth 3Y8.1%
FY ratios · TTM sales/earnings (USD)ⓘ
Trailing returns
YTD+53.4%
1Y+47.9%
3Y+239.1%
5Y−20.7%
10Y+1894.6%
Since incept. (ann.)+14.9%
Total return · from 2005-07-11ⓘ
Risk
Ann. volatility (1Y)43.4%
Ann. volatility (3Y)52.6%
Sharpe (1Y)1.14
Sharpe (3Y)1.04
Max drawdown (1Y)−37.0%
Max drawdown (3Y)−37.0%
Beta (3Y vs SPY)1.74
Daily returns, ann.ⓘ
Top institutional holders13F 2026-Q1
Manager
Shares
Value
% sh out
QoQ
T. Rowe Price Investment Management, Inc.
6.5M
$124M
13.47%
+19.2%
BlackRock, Inc.
6.1M
$116M
12.63%
+3.2%
Casdin Capital, LLC
6.0M
$114M
12.33%
+0.0%
Invesco Ltd.
2.3M
$45M
4.86%
−40.3%
VANGUARD CAPITAL MANAGEMENT LLC
1.9M
$37M
3.97%
new
STATE STREET CORP
1.6M
$30M
3.27%
+4.7%
FMR LLC
1.5M
$28M
3.04%
−5.0%
MASSACHUSETTS FINANCIAL SERVICES CO /MA/
1.2M
$23M
2.48%
+19.2%
Δ vs 2025-Q4 · Institutional 13F holdings sum to 103.4% of shares outstanding. Readings above 100% reflect securities-lending double counting: shares on loan to short sellers are reported long by both the lending institution and the one that bought them. FINRA short interest of 3,775,495 shares (settlement 2026-05-15) accounts for the excess.ⓘ
Latest reported quarterslast report 2026-08-06
Period end
Reported
EPS
EPS YoY
Revenue
Rev YoY
2026-06-30
2026-08-06
$0.91
—
$28.5M
+21.5%
2026-03-31
2026-05-07
$0.02
—
$27.5M
+24.7%
2025-12-31
2026-02-26
—
—
$22.7M
+50.0%
2025-09-30
2025-11-06
$0.01
—
$28.1M
+31.2%
As-reported XBRL · next 2026-11-05 est.ⓘ
Basis & disclosures
EOD closes · nothing imputed or averaged · absent “—”
As-of differs by block · 13F = US long, 45+d lag, LOWER bound
Not investment advice · no recommendation, price target or solicitation
EDGAR + foreign registers · marketstack (licensed EOD) · spzco.com/methodology
