Skip to main content

Parkman Healthcare Partners LLC

Position in UPB — Upstream Bio, Inc.

CIK 1777015 STAMFORD, CT

Position in UPB

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$6,471,909
-$609,138 QoQ
Shares Held
935,247
+18.9% QoQ
Ownership
1.71%
of shares outstanding
% of Portfolio
0.67%
of 13F equity value
Holder Rank
#12
of 148 holders
Holding Since
Mar 2025
6 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

Parkman Healthcare Partners LLC holds $508,391,007 across 37 Biotechnology names. UPB ranks #27 (1.3% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in UPB

Export CSV
6 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $6,471,909 935,247
2026-03-31 $7,081,047 786,783
2025-12-31 $22,658,276 834,559
2025-09-30 $15,866,272 843,502
2025-06-30 $7,856,233 715,504
2025-03-31 $1,429,405 233,563