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Equibles

SEI INVESTMENTS CO

Position in UPB — Upstream Bio, Inc.

CIK 350894 OAKS, PA
Back to UPB Full portfolio

Position in UPB

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$138,579
-$80,983 QoQ
Shares Held
20,026
+147.6% QoQ
Ownership
0.037%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#88
of 148 holders
Holding Since
Dec 2025
2 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in UPB Over Time

Shares Held

Position Value (USD)

Position in Biotechnology

Healthcare · as of Jun 30, 2026

SEI INVESTMENTS CO holds $1,273,690,748 across 210 Biotechnology names. UPB ranks #175 (0.0% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 ARGX
Argenx SE
 255,073 $236,649,076
2 INSM
INSMED Inc
 1,015,870 $108,312,059
3 VRTX
Vertex Pharmaceuticals Inc / Ma
 129,981 $64,565,461
4 EXEL
Exelixis, Inc.
 1,166,715 $63,480,962
5 ASND
Ascendis Pharma A/S
 237,869 $63,444,419
6 INCY
Incyte Corp
 498,013 $56,454,752
7 HALO
Halozyme Therapeutics, Inc.
 551,116 $43,135,848
8 REGN
Regeneron Pharmaceuticals, Inc.
 60,441 $37,687,380

All Filings in UPB

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2 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $138,579 20,026
2025-12-31 $219,562 8,087