Sutro Biopharma, Inc. (STRO) Balance Sheet

NASDAQ: STROAssets, liabilities, debt and equity over 10 years.

STRO balance sheet, 2025

December 31, 2025 · U.S. dollars

$173.8M assets = $306.3M liabilities + −$132.5M equity

What it owns$173.8MCash & ST investments: $141.4M (81.4%)Cash & ST investments$141.4M · 81%Receivables: $4.0M (2.3%)Other current: $5.5M (3.2%)PP&E: $21.6M (12.4%)PP&E $21.6MOther non-current: $1.4M (0.8%)=How it is financed$306.3MCurrent liabilities: $75.1M (24.5%)Current liabilities$75.1M · 25%Other LT liabilities: $231.1M (75.5%)Other LT liabilities$231.1M · 75%

Liabilities exceed assets: shareholders’ equity is negative (−$132.5M).

Both columns are drawn to the same scale: what STRO owns equals what it owes plus shareholders’ equity. Hover a block for its value.

STRO financial health

Current ratio2.01
Comfortable · current assets cover current liabilities 2.01×
Equity / assets−76.2%
Thin equity · of assets funded by shareholders
Cash / debt902.3%
Cash covers debt · cash & short-term investments vs total debt
Goodwill & intangibles0.0%
Mostly tangible · of total assets

Descriptive bands, not a rating. Fiscal 2025.

STRO balance sheet trends, 2016–2025

Sutro Biopharma, Inc. balance sheet trends
MetricTrendThenLatestChange
Total assets$69.3M2016$173.8M2025+10.8%/yr
Total liabilities$160.2M2016$306.3M2025+7.5%/yr
Shareholders’ equity−$90.9M2016−$132.5M2025—
Cash & short-term investments$47.5M2016$141.4M2025+12.9%/yr
Total debt$1.2M2016$15.7M2025+33.1%/yr
Net cash (debt)$46.3M2016$125.8M2025+$79.4M
Working capital−$493,0002016$75.8M2025+$76.3M
Book value per share−$15.582017−$15.592025—
Current ratio0.9920162.012025+1.02
Debt / equity0.1120180.522024+0.41
Shares outstanding7.0M20178.5M2025+2.5%/yr

Change is the average annual growth (CAGR) or the difference between the first and latest year.

STRO assets

Cash & ST investmentsReceivablesInventoryOther currentPP&EGoodwill & intangiblesLT investmentsOther non-current

STRO liabilities and equity

Current liabilitiesLong-term debtOther long-term liabilitiesEquity

STRO debt vs cash

Total debtCash & ST investmentsNet cash (debt)

Debt includes short- and long-term borrowings and, where reported, lease obligations.

STRO balance sheet

Sutro Biopharma, Inc. annual balance sheet
2025202420232022202120202019201820172016
Assets
Cash & short-term investments$141.4M$316.9M$375.6M$334.4M$197.9M$368.1M$117.9M$204.5M$22.0M$47.5M
Cash & equivalents$58.1M$190.3M$69.3M$47.3M$30.4M$206.2M$5.0M$125.3M$22.0M$11.6M
Short-term investments$83.3M$126.6M$306.4M$287.1M$167.5M$162.0M$112.9M$79.2M$0$35.9M
Receivables$4.0M$8.6M$36.1M$7.1M$12.5M$5.6M$6.3M$2.5M$1.6M$577,000
Inventory$0$0$1−$11.7M$1$0$0$1$0$0
Other current assets$5.5M$17.8M$9.8M$23.3M$8.1M$4.5M$4.4M$3.0M$2.0M$1.6M
Total current assets$150.9M$343.3M$421.5M$353.2M$218.5M$378.2M$128.6M$209.9M$25.6M$49.7M
Property, plant & equipment (net)$21.6M$35.9M$44.8M$51.1M$51.6M$12.9M$9.6M$10.9M$14.0M$18.7M
Goodwill & intangible assets$0$0$0$0$0$0$0$0$0$0
Long-term investments$0$0$0$32.0M$68.8M$0$15.6M$0$0$0
Other non-current assets$1.4M$8.0M$4.4M$0$2.5M$3.0M$2.6M$2.3M$1.1M$899,000
Total assets$173.8M$387.2M$470.7M$406.9M$341.4M$394.1M$156.4M$223.1M$40.8M$69.3M
Liabilities
Accounts payable$7.6M$10.5M$9.4M$4.8M$6.0M$5.5M$5.6M$3.1M$2.9M$3.4M
Short-term debt$7.8M$7.5M$10.5M$21.7M$10.4M$8.8M$1.0M$4.7M$14.6M$3.2M
Deferred revenue$10.6M$69.8M$20.7M$16.8M$5.5M$14.6M$19.5M$21.6M$10.7M$43.6M
Total current liabilities$75.1M$131.9M$93.7M$66.5M$41.7M$29.6M$33.0M$36.4M$32.0M$50.2M
Long-term debt$0$0$0$3.8M$15.7M$24.5M$8.9M$10.0M$1.7M$1.2M
Lease obligations$15.7M$23.2M$29.6M$34.2M$32.3M$0————
Other long-term liabilities$231.1M$210.7M$227.3M$119.6M$31.4M$7.9M$16.7M$45.2M$116.1M$108.8M
Total liabilities$306.3M$342.6M$321.1M$189.9M$88.8M$62.1M$58.6M$91.6M$149.8M$160.2M
Shareholders' equity
Common stock & paid-in capital$9,000$83,000$61,000$58,000$46,000$46,000$23,000$23,000$17,000$16,000
Retained earnings (deficit)−$978.0M−$786.9M−$559.4M−$452.6M−$333.4M−$227.9M−$195.7M−$150.3M−$115.0M−$95.3M
Accumulated other comprehensive income$19,000$39,000$21,000−$618,000−$314,000$129,000$165,000−$47,000−$25.0M−$17,000
Total shareholders' equity−$132.5M$44.6M$149.6M$217.0M$252.6M$332.0M$97.8M$131.5M−$109.0M−$90.9M
Key figures
Total debt$15.7M$23.2M$33.6M$55.0M$57.4M$33.4M$9.9M$14.7M$16.3M$1.2M
Net cash (debt)$125.8M$293.7M$342.0M$279.3M$140.6M$334.8M$108.0M$189.8M$5.7M$46.3M
Working capital$75.8M$211.4M$327.8M$286.6M$176.8M$348.6M$95.6M$173.5M−$6.3M−$493,000
Tangible book value−$132.5M$44.6M$149.6M$217.0M$252.6M$332.0M$97.8M$131.5M−$109.0M−$90.9M
Book value per share−$15.59$5.81$24.87$42.78$54.76$10.19——−$15.58—
Shares outstanding8.5M7.7M6.0M5.1M4.6M32.6M——7.0M—
Current ratio2.012.604.505.315.2412.783.905.760.800.99
Quick ratio1.942.474.395.135.0412.633.775.680.740.96
Debt / equity—0.520.220.250.230.100.100.11——
Equity / assets−76.2%11.5%31.8%53.3%74.0%84.3%62.5%58.9%−267.4%−131.2%

Quarterly columns are labeled by the month the quarter ended. Figures in U.S. dollars as reported (latest annual report filed March 23, 2026); data from EODHD.

STRO financial position

At the end of fiscal 2025 (December 31, 2025), Sutro Biopharma had total assets of $173.8 million (down 55.1% from a year earlier), total liabilities of $306.3 million and shareholders' equity of -$132.5 million. It held $141.4 million in cash and short-term investments against $15.7 million of debt, a net cash position of $125.8 million. Its current ratio was 2.01. In the latest quarter (ended June 30, 2026) total assets were $194.5 million and equity -$103.3 million.

Related: STRO income statement, STRO cash flow statement, STRO key metrics. See the STRO stock overview for the latest quote and news.

STRO balance sheet FAQ

What are Sutro Biopharma's total assets?

Sutro Biopharma reported total assets of $173.8 million at the end of fiscal 2025 (December 31, 2025), compared with $387.2 million a year earlier.

How much debt does Sutro Biopharma have?

Sutro Biopharma had $15.7 million of total debt at the end of fiscal 2025, including short-term borrowings and lease obligations. Its debt-to-equity ratio was —.

How much cash does Sutro Biopharma have?

Sutro Biopharma held $141.4 million in cash and short-term investments at the end of fiscal 2025; with $15.7 million of debt that is net cash of $125.8 million.

What is Sutro Biopharma's book value?

Sutro Biopharma's shareholders' equity (book value) was -$132.5 million at the end of fiscal 2025, or −$15.59 per share.

What is Sutro Biopharma's current ratio?

Sutro Biopharma had current assets of $150.9 million and current liabilities of $75.1 million, a current ratio of 2.01 (it can cover its short-term obligations).

Biotechnology: balance sheet