Magnetar Financial Reports a 5.87% $ATXS Stake

Every day, we sift through the filings to spot where the real conviction lies – cutting through the noise to highlight the most meaningful insider moves.

📌 Astria Therapeutics $ATXS – Magnetar Financial filed a 13D showing a new 5.87% stake.

This multi-strategy hedge fund, run by Alec Litowitz, is best known for its event-driven and merger-arb style.

But it’s not afraid to take directional biotech bets when the setup looks asymmetric.

📌 Eagle Bancorp $EGBN – North Reef Capital Management disclosed an 8.70% position in a 13G.

This activist-leaning fund, led by Jim Mitarotonda, often takes positions in small-cap financials trading below book.

Here’s The Hot Corner, with data from October 24, 2025:

Click the table to enlarge it.

📌 Arrow Electronics $ARW – ACR Alpine Capital Research opened with a 5.10% position, according to its 13G filing.

ACR, a long-term value investor based in St. Louis, focuses on durable, cash-generative businesses.

📌 Etsy $ETSY – Lone Pine Capital revealed a 5.00% stake in a 13G filing.

Steve Mandel’s hedge fund typically targets scalable consumer platforms with structural tailwinds.

This new position suggests a belief in Etsy’s just as it looks to complete an early-stage base reversal.