Skip to main content
Equibles

BRIDGEWAY CAPITAL MANAGEMENT, LLC

Position in SPRO — Spero Therapeutics, Inc.

CIK 1107261 HOUSTON, TX
Back to SPRO Full portfolio

Position in SPRO

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$253,708
-$14,924 QoQ
Shares Held
114,800
0.0% QoQ
Ownership
0.197%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#19
of 59 holders
Holding Since
Mar 2020
15 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

BRIDGEWAY CAPITAL MANAGEMENT, LLC holds $87,985,615 across 108 Biotechnology names. SPRO ranks #74 (0.3% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 GLUE
Monte Rosa Therapeutics, Inc.
 552,566 $13,372,097
2 INVA
Innoviva, Inc.
 350,253 $7,954,245
3 PBYI
Puma Biotechnology, Inc.
 791,616 $6,420,005
4 RIGL
Rigel Pharmaceuticals Inc
 124,184 $4,858,078
5 EXEL
Exelixis, Inc.
 66,100 $3,596,501
6 CRMD
CorMedix Inc.
 434,132 $3,407,936
7 KROS
Keros Therapeutics, Inc.
 265,017 $2,835,681
8 PTCT
Ptc Therapeutics, Inc.
 22,000 $1,794,540

All Filings in SPRO

Export CSV
15 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $253,708 114,800
2026-03-31 $268,632 114,800
2025-12-31 $267,484 114,800
2025-09-30 $215,824 114,800
2025-06-30 $332,920 114,800
2025-03-31 $111,456 154,800
2024-12-31 $190,344 184,800
2024-09-30 $247,632 184,800
2024-06-30 $240,240 184,800
2024-03-31 $317,856 184,800
2023-12-31 $198,156 134,800
2023-09-30 $163,108 134,800
2023-06-30 $159,210 109,800
2023-03-31 $159,210 109,800
2020-03-31 $559,984 69,305