Companies: 10,795·Total market cap: $144.5T
Arrowhead Pharmaceuticals, Inc.

Arrowhead Pharmaceuticals, Inc.

ARWRNASDAQHealthcare● Active
$73.58
+$0.49(+0.66%)
Market Cap$10.4B
P/E Ratio—
52W High$82.26
52W Low$14.3
Overview

Arrowhead Pharmaceuticals, Inc. (ARWR) Stock Splits

Forward and reverse split history, cumulative multiple, latest ratio, and share calculator on this tab.

FMP · ARWR · as of Jun 8, 2026

Key split metrics

Total Splits2Since IPO (Dec 16, 1993)
Most Recent SplitNov 17, 2011Reverse · 1-for-10
Cumulative Multiple×0.00151 share (1993) → 0.0015 shares today

Latest Split Event

Reverse Split
Nov 17, 2011
BEFORE SPLIT$0.6500Closing price · Nov 16, 2011
1-for-10
AFTER SPLIT$5.72Opening price · Nov 17, 2011
Every 10 shares were consolidated into 1 share.·Total market cap unchanged.·Source: FMP · Historical EOD

Stock Split History

ARWR · 2 records
Date↓RatioTypeMultiple↕Cumulative↕
Nov 17, 20111-for-10Reverse×0.100×0.002
Jan 15, 20041-for-65Reverse×0.015×0.015
2 splits since IPO · Dec 16, 1993Data: Financial Modeling Prep · Updated daily

Stock Split Calculator

If you bought 100 shares purchased of ARWR on Jan 1, 2020 — — how many shares would you hold today after all splits?

ORIGINAL SHARES100
→
SHARES TODAY100
Splits Applied0
Total Multiplier×1.00
Split Period—
Splits applied:No splits occurred after this date
Based on purchase date Jan 1, 2020Share count only · excludes price / dividendsSource: FMP

This calculator shows how stock splits affected share count only. It does not reflect current market value, dividend payments, or transaction costs. Past splits do not guarantee future performance.

About reverse stock split history

Arrowhead Pharmaceuticals, Inc. (ARWR) has undergone 2 reverse stock splits. The most recent was a 1-for-10 reverse split on Nov 17, 2011. Reverse splits consolidate shares to increase the per-share price.

Price historyShares outstandingFinancialsEarningsMarket capForecast

Frequently asked questions

Arrowhead Pharmaceuticals, Inc. (ARWR) has undergone 2 reverse stock splits. Reverse splits consolidate shares, reducing share count while increasing the per-share price.

ARWR reverse stock split historyhow many reverse splits for ARWRARWR stock split countcumulative split multiple
Data: Financial Modeling Prep · Updated daily · For informational purposes only, not investment advice.