S
Spero Therapeutics, Inc. (SPRO)
NMS – Real Time Price. Currency in USD
1.22
-0.01 (-1.22%)
Market open: Aug 12, 2026, 2:00 PM EDT
1.21
-0.02 (-1.46%)
Previous after-hours: Aug 11, 2026, 7:34 PM EDT
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NMS – Real Time Price. Currency in USD
1.22
-0.01 (-1.22%)
Market open: Aug 12, 2026, 2:00 PM EDT
1.21
-0.02 (-1.46%)
Previous after-hours: Aug 11, 2026, 7:34 PM EDT
| Breakdown | |
|---|---|
| 22.74% | % of Shares Held by All Insider |
| 17.71% | % of Shares Held by Institutions |
| 22.92% | % of Float Held by Institutions |
| 60 | Number of Institutions Holding Shares |
| Holder | Shares | Date Reported | % Out | Value |
|---|---|---|---|---|
| Alphabet Inc. | 889,979 | 2026-06-30 | 1.54% | $1.09M |
| Blackrock Inc. | 594,404 | 2026-06-30 | 1.03% | $728,144.00 |
| Holder | Shares | Date Reported | % Out | Value |
|---|---|---|---|---|
| VANGUARD INDEX FUNDS-Vanguard Total Stock Market Index Fund | 1.24M | 2026-03-31 | 2.14% | $1.52M |
| VANGUARD INDEX FUNDS-Vanguard Extended Market Index Fund | 516,108 | 2026-03-31 | 0.89% | $632,232.00 |
| Fidelity Concord Street Trust-Fidelity Extended Market Index Fund | 249,432 | 2026-06-30 | 0.43% | $305,554.00 |
| iShares Trust-iShares Micro-Cap ETF | 151,203 | 2026-06-30 | 0.26% | $185,223.00 |
| Fidelity Concord Street Trust-Fidelity Total Market Index Fund | 107,797 | 2026-06-30 | 0.19% | $132,051.00 |
| Fidelity Concord Street Trust-Fidelity Series Total Market Index Fund | 69,792 | 2026-06-30 | 0.12% | $85,495.00 |
| Bridgeway Funds, Inc.-Ultra-Small Company Market Fund | 64,800 | 2026-03-31 | 0.11% | $79,380.00 |
| Bridgeway Funds, Inc.-Omni Small-Cap Value Fund | 50,000 | 2026-03-31 | 0.09% | $61,250.00 |
| VANGUARD VALLEY FORGE FUNDS-VANGUARD BALANCED INDEX FUND | 39,474 | 2025-09-30 | 0.07% | $85,658.00 |
| Invesco Exch-Trd Fd. TRT II-Invesco NASDAQ Future Gen 200 ETF | 37,188 | 2026-06-30 | 0.06% | $45,555.00 |
| American Century ETF Trust-Avantis U.S. Small Cap Equity ETF | 36,811 | 2026-06-30 | 0.06% | $45,093.00 |
| Fidelity Concord Street Trust-Fidelity Nasdaq Composite Index Fund | 36,745 | 2026-05-31 | 0.06% | $43,726.00 |
| SCHWAB CAPITAL TRUST-Schwab Total Stock Market Index Fund | 28,565 | 2026-04-30 | 0.05% | $61,986.00 |
| VANGUARD Inst. INDEX Fd.S-Vanguard Inst. Total Stock Market Index Fd. | 22,820 | 2025-12-31 | 0.04% | $58,419.00 |