9 unchanged sentences
Additionally, the fair values of interest rate sensitive instruments may be affected by the creditworthiness of the issuer, prepayment options, the liquidity of the instrument and other general market conditions.
−Removed: At March 31, 2023, we have available for sale marketable debt securities in the amount of $139,222,000.
+Added: At June 30, 2023, we have available for sale marketable debt securities in the amount of $129,283,000.
The fixed maturity portfolio is comprised of investments with primarily short–term and intermediate–term maturities.
+Added: The portfolio composition allows flexibility in reacting to fluctuations of interest rates.
The fixed maturity portfolio allows our insurance company subsidiaries to achieve an adequate risk–adjusted return while maintaining sufficient liquidity to meet obligations.
2 unchanged sentences
We do not currently use any derivative instruments to hedge our interest rate exposure.
−Removed: We have not used derivative instruments for trading purposes and the use of such instruments in the future would be subject to approvals by the Investment Committee of the Board of Directors.
+Added: We have not used derivative instruments for trading purposes and the use of such instruments in the future would be subject to approval by the Investment Committee of the Board of Directors.
Credit risk is managed by diversifying the fixed maturity portfolio to avoid concentrations in any single industry group or issuer and by limiting investments in securities with lower credit ratings.
2 unchanged sentences
Thus, there is exposure to equity price risk, which is the potential change in fair value due to a change in quoted market prices.
−Removed: At March 31, 2023, the fair value of our marketable equity securities is approximately $124,210,000.
−Removed: Of the $124.2 million equity securities portfolio, our investment in NHI comprises approximately $84.1 million, or 67.7%, of the total fair value.
+Added: At June 30, 2023, the fair value of our marketable equity securities is approximately $128,939,000.
+Added: Of the $128.9 million equity securities portfolio, our investment in NHI comprises approximately $85.5 million, or 66.3%, of the total fair value.
We manage our exposure to NHI by closely monitoring the financial condition, performance, and outlook of the company.
Hypothetically, a 10% change in quoted market prices would result in a related increase or decrease in the fair value of our equity investments of approximately $12.9 million.
−Removed: At March 31, 2023, our equity securities had net unrealized gains of $70.0 million.
−Removed: Of the $70.0 million of unrealized gains, $59.4 million is related to our investment in NHI.
+Added: At June 30, 2023, our equity securities had net unrealized gains of $74.7 million.
+Added: Of the $74.7 million of unrealized gains, $60.7 million is related to our investment in NHI. 
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.