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Equibles

Jump Financial, LLC

Position in UPB — Upstream Bio, Inc.

CIK 1831577 Chicago, IL
Back to UPB Full portfolio

Position in UPB

as of Jun 30, 2026 · filed Aug 13, 2026
Position Value
$1,544,702
-$1,329,898 QoQ
Shares Held
223,223
-30.1% QoQ
Ownership
0.408%
of shares outstanding
% of Portfolio
0.02%
of 13F equity value
Holder Rank
#44
of 148 holders
Holding Since
Mar 2026
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

Jump Financial, LLC holds $441,725,895 across 169 Biotechnology names. UPB ranks #71 (0.3% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 IONS
Ionis Pharmaceuticals Inc
 306,330 $24,288,904
2 VKTX
Viking Therapeutics, Inc.
 579,882 $22,621,196
3 XENE
Xenon Pharmaceuticals Inc.
 260,730 $15,737,662
4 CRSP
CRISPR Therapeutics AG
 277,952 $15,159,500
5 BMRN
Biomarin Pharmaceutical Inc
 245,390 $14,041,214
6 SRPT
Sarepta Therapeutics, Inc.
 679,445 $12,209,626
7 REGN
Regeneron Pharmaceuticals, Inc.
 16,242 $10,127,536
8 RARE
Ultragenyx Pharmaceutical Inc.
 286,952 $9,581,327

All Filings in UPB

Export CSV
2 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $1,544,702 223,223
2026-03-31 $2,874,600 319,400