Companies: 10,795·Total market cap: $144.5T
IGM Biosciences, Inc.

IGM Biosciences, Inc.

IGMSNASDAQHealthcare
$1.27
+$0.00(+0.00%)
Market Cap$77498317
P/E Ratio
52W High$22.5
52W Low$0.92

IGM Biosciences, Inc. (IGMS) Stock Price History

Key milestones, OHLCV table, annual returns, peers & What If.

igms · EOD price history · split-adj. · FMP · as of Aug 15, 2025

5-Year High5Y
$96.11
Jun 14, 2021
-98.7% from here
5-Year Low5Y
$0.9200
Apr 9, 2025
+38.0% from low
IPO Priceadj.
$24.30
Sep 18, 2019
-94.8% since IPO
1 Year Ago
$1.29
Jun 9, 2025
-1.6% in 1Y
5 Years Ago
$91.79
Jun 9, 2021
-98.6% in 5Y
10 Years Ago
+0.0% in 10Y

Historical Price Data · IGMS

DateOpenHighLowCloseClose (Unadj.) ⓘVolumeChange %
Aug 15, 2025$1.27$1.27$1.27$1.27$1.270K+0.00%
Aug 14, 2025$1.27$1.27$1.27$1.27$1.270K+0.00%
Aug 13, 2025$1.30$1.30$1.27$1.27$1.271.6M-2.31%
Aug 12, 2025$1.29$1.31$1.27$1.30$1.30357K+0.78%
Aug 11, 2025$1.28$1.29$1.27$1.29$1.29206K+0.78%
Aug 8, 2025$1.27$1.28$1.27$1.27$1.27156K+0.00%
Aug 7, 2025$1.29$1.29$1.27$1.27$1.27226K-1.55%
Aug 6, 2025$1.28$1.30$1.28$1.28$1.28128K+0.00%
Aug 5, 2025$1.30$1.30$1.25$1.28$1.28736K-1.54%
Aug 4, 2025$1.31$1.31$1.30$1.30$1.30150K-0.76%
Aug 1, 2025$1.29$1.33$1.28$1.31$1.31487K+1.55%
Jul 31, 2025$1.26$1.28$1.26$1.27$1.27162K+0.79%
Jul 30, 2025$1.27$1.27$1.26$1.26$1.26212K-0.79%
Jul 29, 2025$1.26$1.27$1.25$1.26$1.26912K+0.00%
Jul 28, 2025$1.27$1.28$1.26$1.26$1.262.6M-0.79%
Jul 25, 2025$1.29$1.29$1.27$1.27$1.27109K-1.55%
Jul 24, 2025$1.27$1.28$1.26$1.28$1.28231K+0.79%
Jul 23, 2025$1.27$1.28$1.27$1.28$1.28196K+0.79%
Jul 22, 2025$1.27$1.28$1.26$1.27$1.27376K+0.00%
Jul 21, 2025$1.27$1.29$1.26$1.28$1.28468K+0.79%
Showing 1–20 of 1,051 records

Annual Stock Price Performance · IGMS

Jan 1 → Dec 31 · 5 years
2025
-79.5%
-79.5%
2024
-26.4%
-26.4%
2023
-52.2%
-52.2%
2022
-42.8%
-42.8%
2021
-68.3%
-68.3%
Best Year2024 · -26.4%
Worst Year2025 · -79.5%
Positive Years0 / 5
Avg Annual Return-53.8%
5Y Total Return-98.6%
5Y CAGR~-57.6% / yr

What If You Invested in IGMS?

If you invested $1,000 in IGMS at IPO (split-adj.) — how much would it be worth today?

INVESTED$1,000
TODAY WORTH$52
Total Return-94.8%
CAGR~-34.4% / yr
Profit$-948
Based on Sep 18, 2019 · $24.30Split & dividend adjustedNo fees assumed
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About Price History & OHLCV Data

IGM Biosciences, Inc. (IGMS) is classified under Healthcare and trades on NASDAQ. The quote snapshot on this page shows a last price of $1.27. Use the chart and OHLCV table below for open, high, low, close and volume over time.

Annual performance bars, similar companies in the same sector, and the What If calculator help you explore long-horizon returns without leaving this tab. Figures use split-adjusted end-of-day prices where noted; this content is informational, not investment advice.

Data: FMP EOD · split-adjusted where noted · not investment advice

Frequently Asked Questions

IGMS price history · 5 questions
End-of-day prices are sourced from market data providers (Financial Modeling Prep). Corporate actions such as splits may be reflected in adjusted series; always verify critical values with your broker or official filings.
IGMS historical stock pricesFMP EOD datasplit-adjusted OHLCV