LIM
RNA

Longfellow Investment Management’s Atrium Therapeutics RNA Stock Holding History

Longfellow Investment Management’s Portfolio RNA Stock Details RNA Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$1.43K Buy
+107
New +$1.5K ﹤0.01% 209

Other funds holding RNA

T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
RCM
RA Capital Management Boston, Massachusetts $9.44B AUM 157.3% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
TAL
TIG Advisors LLC New York $2.16B AUM 72.99% 1-Year Est. Return
PCM
Pentwater Capital Management Naples, Florida $19.3B AUM 58.13% 1-Year Est. Return
OCAI
O'Connor Alternative Investments New York $1.17B AUM
SC
Sessa Capital New York $5.51B AUM 47.23% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return
FCM
Farallon Capital Management San Francisco, California $17.5B AUM 50.95% 1-Year Est. Return

Longfellow Investment Management's RNA Position: Q1 2026 in Review

Longfellow Investment Management opened a new position in Atrium Therapeutics (RNA) in Q1 2026: 107 shares worth $1.43K. The stake represents ﹤0.01% of the portfolio and ranks #209 among its holdings.

162 funds tracked by Wall St. Rank hold RNA as of Q1 2026.

  • Longfellow Investment Management held 107 shares of Atrium Therapeutics worth $1.43K as of Q1 2026.
  • Atrium Therapeutics was a new Longfellow Investment Management position in Q1 2026.
  • Atrium Therapeutics made up ﹤0.01% of Longfellow Investment Management's portfolio in Q1 2026, its #209 holding.
  • 162 funds tracked by Wall St. Rank held Atrium Therapeutics as of Q1 2026.

Based on Longfellow Investment Management's 13F filing for Q1 2026, filed 12 May 2026.