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Spero Therapeutics Inc (SPRO)

CUSIP: 84833T103 | NYSE | Healthcare · Biotechnology | Micro Cap | 275 institutional holders

Quarters

Q3 2026Q2 2026Q1 2026Q4 2025Q3 2025
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Institutional Holders — Q3 2026

MacKenzie Financial Corp1,831,254
0.0% of portfolio›$2.2M
Dimensional Fund Advisors LP91,287
0.0% of portfolio›$110.4K
StoneX Group Inc.38,241
0.0% of portfolio›$45.8K
Simplex Trading, LLC36,830
0.0% of portfolio›$44.6K
Capital Asset Advisory Services LLC32,548
0.0% of portfolio›$36.8K
Three Seasons Wealth, LLC30,000
0.0% of portfolio›$36.3K
Oppenheimer & Co Inc26,750
0.0% of portfolio›$32.4K
FNY Investment Advisers, LLC21,300
0.0% of portfolio›$25
Assenagon Asset Management S.A.17,762
0.0% of portfolio›$21.5K
Torrey Growth & Income Advisors11,025
0.0% of portfolio›$13.7K
SBI Securities Co., Ltd.61
0.0% of portfolio›$74
Farther Finance Advisors, LLC10
0.0% of portfolio›$12
StyleTurnoverLocationFiled
MacKenzie Financial Corp
1,831,254$2.2M0.0%CoreMediumToronto Ontario, Australia2026-11-02
Dimensional Fund Advisors LP
91,287$110.4K0.0%IndexLowAustin, TX2026-11-04
StoneX Group Inc.
38,241$45.8K0.0%ETFMediumNew York, NY2026-11-03
Simplex Trading, LLC
36,830$44.6K0.0%CoreVery HighChicago, IL2026-11-04
Capital Asset Advisory Services LLC
32,548$36.8K0.0%ETFLowWilliamston, MI2026-10-30
Three Seasons Wealth, LLC
30,000$36.3K0.0%GrowthMediumSalt Lake City, UT2026-11-03
Oppenheimer & Co Inc
26,750$32.4K0.0%CoreLowNew York, NY2026-10-26
FNY Investment Advisers, LLC
21,300$250.0%GrowthVery HighNew York, NY2026-10-16
Assenagon Asset Management S.A.
17,762$21.5K0.0%GrowthHighSenningerberg, Netherlands2026-10-15
Torrey Growth & Income Advisors
11,025$13.7K0.0%CoreMediumDel Mar, CA2026-11-04
SBI Securities Co., Ltd.
61$740.0%Agg GrowthLowTokyo, Mexico2026-10-22
Farther Finance Advisors, LLC
10$120.0%IndexLowSan Francisco, CA2026-10-08