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FNY Investment Advisers, LLC

Position in SPRO — Spero Therapeutics, Inc.

CIK 1742998 NEW YORK, NY

Position in SPRO

as of Jun 30, 2026 · filed Jul 8, 2026
Position Value
$18,343
+$5,941 QoQ
Shares Held
8,300
+56.6% QoQ
Ownership
0.014%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
#48
of 59 holders
Holding Since
Sep 2025
4 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in SPRO Over Time

Shares Held

Position Value (USD)

Position in Biotechnology

Healthcare · as of Jun 30, 2026

FNY Investment Advisers, LLC holds $19,945,542 across 57 Biotechnology names. SPRO ranks #38 (0.1% of the industry book) .

# Ticker Company Shares Value (USD) Open
1
108,951 $13,455,448

All Filings in SPRO

Export CSV
4 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $18,343 8,300
2026-03-31 $12,402 5,300
2025-12-31 $12,349 5,300
2025-09-30 $9 5,300