Investments

12 Months Ended

Sep. 30, 2021

Investments, Debt and Equity Securities [Abstract]

Our investments consist of (in millions):


	September 30,
	2021		2020
Fixed income securities	$	0.6	$	0.6
Equity securities	1,267.6		875.3
Other	95.9		78.2
Total investments	1,364.1		954.1
Less: short-term investments(1)	(0.6)		(0.6)
Long-term investments	$	1,363.5	$	953.5

(1) Short-term investments are included in other current assets in the Consolidated Balance Sheet.

Equity Securities

On July 19, 2018, we purchased 10,582,010 shares of PTC Inc. (“PTC”) common stock (the “PTC Shares”) in a private placement at a purchase price of $94.50 per share for an aggregate purchase price of approximately $1.0 billion. The PTC Shares are considered equity securities. On May 11, 2021, we entered into an amendment to the securities purchase agreement with PTC, which amended, among other things, our entity-specific transfer restrictions through September 2023, subject to certain exceptions. We have the ability to transfer in open market transactions, in the aggregate in any 90-day period, a number of PTC Shares equal to up to 1.0 percent of PTC's total outstanding shares of common stock as of the first day in such 90-day period. We also have the ability to transfer in marketed underwritten public offerings, in the aggregate in any one-year period, a number of PTC Shares equal to up to 5.0 percent of PTC's total outstanding shares of common stock as of the closing date of the first such offering.

The PTC Shares are classified as level 1 in the fair value hierarchy and recognized at fair value in the Consolidated Balance Sheet using the most recent closing price of PTC common stock quoted on Nasdaq. At September 30, 2021, the fair value of the PTC Shares was $1,267.6 million, which was recorded in long-term investments in the Consolidated Balance Sheet. We recorded a gain of $392.3 million and $153.9 million related to the PTC Shares in the Consolidated Statement of Operations in the years ended September 30, 2021 and 2020, respectively.

Refer to Note 1 for further information regarding levels in the fair value hierarchy. We did not have any transfers between levels of fair value measurements during the periods presented.