tiprankstipranks
Spero Therapeutics (SPRO)
NASDAQ:SPRO
US Market

Spero Therapeutics (SPRO) Ownership - Who Owns Spero Therapeutics?

Compare
584 Followers

Spero Therapeutics (SPRO) Ownership Overview

5.32%4.23%25.29%3.20%61.96%
25.29% Other Institutional Investors
3.20% ETFs
61.96% Public Companies and
Individual Investors
The ownership structure of Spero Therapeutics (SPRO) stock is a mix of institutional, retail, and individual investors. Approximately 32.71% of the company’s stock is owned by Institutional Investors, 5.32% is owned by Insiders, and 61.96% is owned by Public Companies and Individual Investors.
The ownership structure of Spero Therapeutics (SPRO) stock is a mix of institutional, retail, and individual investors. Approximately 29.52% of the company’s stock is owned by Institutional Investors, 5.32% is owned by Insiders, and 3.20% is owned by Public Companies and Individual Investors.

Recent Insider Trading Activity

Date
Name
Activity
Value
Feb 09, 2026
xxxxxxxxxxxxx
$207484
Feb 09, 2026
xxxxxxxxxxxxx
$44019
Feb 05, 2026
xxxxxxxxxxxxx
$101175
Feb 04, 2026
xxxxxxxxxxxxx
$40572

Recent Hedge Fund Trading Activity

Date
Firm
Activity
Value

Top Shareholders

Holder
# of Shares
Type
% Holding
Value
1,752,884Institution3.11%4,312,095
1,752,884Institution3.11%4,312,095
1,012,091Insider1.80%2,489,744
742,506Insider1.32%1,826,565
703,294Insider1.25%1,730,103
435,428Institution0.77%1,071,153
114,800Institution0.20%282,408
91,454Insider0.16%224,977
75,000Insider0.13%184,500
75,000Insider0.13%184,500

Top Mutual Fund Holders

Holder
# of Shares
Type
% Holding
Value
1,752,884Institution3.11%4,312,095
435,428Institution0.77%1,071,153
114,800Institution0.20%282,408
28,565Institution0.05%70,270
22,820Institution0.04%56,137
18,197Institution0.03%44,765
7,838Institution0.01%19,281

Top ETF Holders

Holder
# of Shares
Type
% Holding
Value
1,236,776Institution2.20%2,683,804
516,108Institution0.92%1,119,954
27,529Institution0.05%67,721
15,934Institution0.03%39,198
4,874Institution<0.01%11,990

FAQ

Who Owns Spero Therapeutics (SPRO)?
According to the latest TipRanks data, approximately 25.29% of the company's stock is held by institutional investors, 5.32% is held by insiders, and 61.96% is held by retail investors.
    What percentage of Spero Therapeutics (SPRO) stock is held by institutional investors?
    According to the latest TipRanks data, approximately 25.29% of Spero Therapeutics (SPRO) stock is held by institutional investors.
      What percentage of Spero Therapeutics (SPRO) stock is held by retail investors?
      According to the latest TipRanks data, approximately 61.96% of Spero Therapeutics (SPRO) stock is held by retail investors.
        Who owns the most shares of Spero Therapeutics (SPRO)?
        VANGUARD INDEX FUNDS owns the most shares of Spero Therapeutics (SPRO).
          What is the significance of the ownership structure for a publicly traded company?
          The ownership structure can impact the company's decision making, as large institutional investors may exert influence on the company's management and can also affect the company's stock price with their buying and selling patterns.