SEI Investments
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SEI Investments’s Cartesian Therapeutics RNAC Stock Holding History

SEI Investments’s Portfolio RNAC Stock Details RNAC Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$78.5K Buy
+12,764
New +$90.9K ﹤0.01% 3132
2019
Q2 		– Sell
-1
Closed – – 2697
2019
Q1 		$0 Buy
+1
New +$63 ﹤0.01% 2965

Other funds holding RNAC

Squarepoint
Squarepoint New York $85.1B AUM 20.93% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
6CM
683 Capital Management New York $1.92B AUM 85.52% 1-Year Est. Return
Millennium Management
Millennium Management New York $240B AUM 35.51% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Marshall Wace
Marshall Wace London, United Kingdom $100B AUM 35.1% 1-Year Est. Return
EAM
Erste Asset Management Vienna, Austria $10.8B AUM 38.54% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

SEI Investments's RNAC Position: Q1 2026 in Review

SEI Investments opened a new position in Cartesian Therapeutics (RNAC) in Q1 2026: 12,764 shares worth $78.5K. The stake represents ﹤0.01% of the portfolio and ranks #3132 among its holdings. This is a return to the name: SEI Investments previously reported a position in RNAC as recently as Q1 2019.

SEI Investments first reported a position in RNAC in Q1 2019 and has held it in 2 quarters since. 83 funds tracked by Wall St. Rank hold RNAC as of Q1 2026.

  • SEI Investments held 12,764 shares of Cartesian Therapeutics worth $78.5K as of Q1 2026.
  • Cartesian Therapeutics was a new SEI Investments position in Q1 2026.
  • Cartesian Therapeutics made up ﹤0.01% of SEI Investments's portfolio in Q1 2026, its #3132 holding.
  • SEI Investments first reported a position in Cartesian Therapeutics in Q1 2019 and has held it in 2 quarters since.
  • 83 funds tracked by Wall St. Rank held Cartesian Therapeutics as of Q1 2026.

Based on SEI Investments's 13F filing for Q1 2026, filed 13 May 2026.