SEI Investments
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SEI Investments’s Acumen Pharmaceuticals ABOS Stock Holding History

SEI Investments’s Portfolio ABOS Stock Details ABOS Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$30.9K Hold
11,564
– – ﹤0.01% 3248
2026
Q1 		$27.3K Buy
+11,564
New +$29.5K ﹤0.01% 3207
2025
Q2 		– Sell
-21,782
Closed -$24K – 2784
2025
Q1 		$24K Hold
21,782
– – ﹤0.01% 2732
2024
Q4 		$37.5K Hold
21,782
– – ﹤0.01% 2688
2024
Q3 		$54K Buy
+21,782
New +$59.1K ﹤0.01% 2628

Other funds holding ABOS

RCM
RA Capital Management Boston, Massachusetts $11.5B AUM 168.77% 1-Year Est. Return
SCV
Sands Capital Ventures Arlington, Virginia $614M AUM 19.92% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Alyeska Investment Group
Alyeska Investment Group Chicago, Illinois $38.9B AUM 28.51% 1-Year Est. Return
Franklin Resources
Franklin Resources San Mateo, California $462B AUM 39.16% 1-Year Est. Return
ACM
ADAR1 Capital Management Austin, Texas $2.19B AUM 374.99% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
KIA
Knollwood Investment Advisory Hunt Valley, Maryland $1.12B AUM 41.02% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
IC
Ikarian Capital Dallas, Texas $928M AUM 596.14% 1-Year Est. Return

SEI Investments's ABOS Position: Q2 2026 in Review

SEI Investments held its Acumen Pharmaceuticals (ABOS) position steady in Q2 2026 at 11,564 shares worth $30.9K. The position accounts for ﹤0.01% of the portfolio, ranked #3248.

SEI Investments first reported a position in ABOS in Q3 2024 and has held it in 5 quarters since. The position peaked at $54K in Q3 2024. 96 funds tracked by Wall St. Rank hold ABOS as of Q2 2026.

  • SEI Investments held 11,564 shares of Acumen Pharmaceuticals worth $30.9K as of Q2 2026.
  • SEI Investments left its Acumen Pharmaceuticals share count unchanged in Q2 2026.
  • Acumen Pharmaceuticals made up ﹤0.01% of SEI Investments's portfolio in Q2 2026, its #3248 holding.
  • SEI Investments first reported a position in Acumen Pharmaceuticals in Q3 2024 and has held it in 5 quarters since.
  • SEI Investments's Acumen Pharmaceuticals position peaked at $54K in Q3 2024.
  • 96 funds tracked by Wall St. Rank held Acumen Pharmaceuticals as of Q2 2026.

Based on SEI Investments's 13F filing for Q2 2026, filed 14 Aug 2026.