4 unchanged sentences
To achieve our objectives, we maintain a portfolio of investments in high-credit-quality securities.
−Removed: As of September 30, 2020, we had cash, cash equivalents and short-term investments of $153.5 million.
+Added: As of March 31, 2021, we had cash, cash equivalents and short-term investments of $100.5 million.
In accordance with our investment policy, we invest funds in highly liquid, investment-grade securities.
1 unchanged sentence
We currently do not hedge interest rate exposure.
−Removed: Because of the short-term maturities of our investments, we do not believe that an increase in market rates would have a material negative impact on the realized value of our investment portfolio.
+Added: Because of the short-term maturities of our investments, we do not believe that an increase in market rates would have a materially negative impact on the realized value of our investment portfolio.
We actively monitor changes in interest rates and, with our current portfolio of short-term investments, we are not exposed to potential loss due to changes in interest rates.
Compared sentence by sentence after normalising whitespace, quotation marks, case and digits, so re-formatting and restated figures do not read as changed language. Wording changes appear as one removal and one addition. The current filing and the prior one are authoritative.