Darlington Partners Reports Significant New Stakes in OS and FOUR

Darlington Partners made a splash with two big software plays.

📌 The money manager filed an initial 13G disclosure for OneStream Inc $OS revealing a 5.30% stake.

📌 In another 13G, Darlington reported a 5.20% position in Shift4 Payments Inc $FOUR.

The firm’s moves signal fresh institutional interest in the software space and underscore its strong commitment to both companies.

Here’s The Hot Corner, with data from March 25, 2025:

Click the table to enlarge it.

📌 Meanwhile, the CEOs of F&G Annuities & Life $FG and Prospect Capital $PSEC reinforced their confidence with insider purchases of $706,724 and $204,917, respectively.

📌 Last but not least, Broadwood Partners filed a Form 4 for Staar Surgical Co $STAA, purchasing 136,696 shares.