Who Owns Spero Therapeutics Stock?
NASDAQ: SPROHealth CareBiotechnology: Pharmaceutical PreparationsUSD
Market open · Delayed 15 min · as of Oct 9, 2:09 PM ET
Ownership breakdown
- Held by institutions
- 18.21%
- Held by insiders
- 22.66%
- Institutional holders
- 68
- Institutions 18.2%
- Insiders 22.7%
- Public and other 59.1%
Who owns Spero Therapeutics stock?
Institutional investors own about 18.2% of Spero Therapeutics's shares, spread across 68 institutions that file 13F reports. That level of institutional ownership is relatively low, leaving more of the stock with retail investors and insiders. Insiders, including executives, directors and large founding shareholders, hold 22.66% of SPRO.
The largest institutional holders are GSK plc (15.78%), Pfizer Inc (4.06%) and Vanguard Capital Management LLC (3.50%). Together, the top 10 institutions control 31.3% of shares outstanding. In their latest filings, 5 of the top 10 institutions increased their SPRO positions and 2 reduced them.
Summary generated from market data by MetaCap's automated system. Methodology
Top institutional holders of SPRO
| Institution | Shares | % Held | Change |
|---|---|---|---|
| GSK plc | 9.19M | 15.78% | 0.0% |
| Pfizer Inc | 2.36M | 4.06% | 0.0% |
| Vanguard Capital Management LLC | 2.04M | 3.50% | +13.1% |
| Renaissance Technologies, LLC | 947.90K | 1.63% | -20.3% |
| Alphabet Inc. | 889.98K | 1.53% | 0.0% |
| Susquehanna International Group, LLP | 759.29K | 1.30% | +127.9% |
| Blackrock Inc. | 594.40K | 1.02% | +37.2% |
| Geode Capital Management, LLC | 566.33K | 0.97% | +8.9% |
| Raymond James Financial, Inc. | 521.71K | 0.90% | +100.0% |
| Two Sigma Investments, LP | 382.81K | 0.66% | -56.8% |
% held is the share of total shares outstanding. Change is the percentage change in the position since the holder's previous 13F filing.
Top mutual fund and ETF holders of SPRO
| Fund | Shares | % Held |
|---|---|---|
| VANGUARD INDEX FUNDS-Vanguard Total Stock Market Index Fund | 1.40M | 2.40% |
| VANGUARD INDEX FUNDS-Vanguard Extended Market Index Fund | 593.25K | 1.02% |
| Fidelity Concord Street Trust-Fidelity Extended Market Index Fund | 248.94K | 0.43% |
| iShares Trust-iShares Micro-Cap ETF | 150.21K | 0.26% |
| Fidelity Concord Street Trust-Fidelity Total Market Index Fund | 107.71K | 0.18% |
| Fidelity Concord Street Trust-Fidelity Series Total Market Index Fund | 69.79K | 0.12% |
| Dimensional ETF Trust-Dimensional U.S. Small Cap ETF | 66.00K | 0.11% |
| FORUM FUNDS II-Acuitas US Microcap Fund | 56.46K | 0.10% |
| Bridgeway Funds, Inc.-Omni Small-Cap Value Fund | 50.00K | 0.09% |
| DFA INVESTMENT DIMENSIONS GROUP INC-U.S. Micro Cap Portfolio | 46.66K | 0.08% |
Frequently asked questions
Who is the largest shareholder of Spero Therapeutics?
GSK plc is the largest institutional shareholder of SPRO, owning 15.78% of shares outstanding (9.19M shares) as of its latest 13F filing.
What percentage of Spero Therapeutics is owned by institutions?
Institutions own about 18.2% of SPRO shares and 23.5% of the public float.
How much of Spero Therapeutics do insiders own?
Insiders, such as officers and directors, own about 22.66% of SPRO shares outstanding.
Where does institutional ownership data come from?
Investment managers with more than $100 million in US equities must file Form 13F with the SEC within 45 days of each quarter-end. Holdings are therefore up to about 4.5 months old when published.