SPRO
Spero Therapeutics, Inc.
NASDAQ Healthcare
2,26 $US
+11.88% today
-3.83% YTD · -23.13% 1Y
2
Insider transactions
SEC Form 4 · AMF · BaFin — rolling 90 days
14
Hedge funds tracked
200+ 13F SEC funds, updated quarterly
16
Thematic ETFs
ARK, NANC, GOP, GURU, BUZZ, JEPI, ITA…
24h
Frequency
Daily 5AM UTC pipeline · 2-year historical DB
66
/ 100
STRONG

Kairos Score: 66/100

Composite score aggregating 8 smart money dimensions: insiders (SEC/AMF/BaFin), hedge funds, politicians & gurus, price momentum, valuation, analyst consensus, financial health, earnings momentum. The higher the score, the more favorable the institutional signals consensus.

💡 Detailed breakdown (the 8 sub-scores) available in the Premium dashboard.

About Spero Therapeutics, Inc.

Spero Therapeutics, Inc., a clinical-stage biopharmaceutical company, focuses on identifying and developing novel treatments for multi-drug resistant (MDR) bacterial infections and rare diseases in the United States. The company’s product candidates include Tebipenem HBr (tebipenem pivoxil hydrobromide), an oral carbapenem-class antibiotic to treat complicated urinary tract infections, including pyelonephritis for adult patients, which has completed second Phase 3 trial. It has license agreement with Meiji Seika Pharma Co., Ltd. to develop, man...

Key info

👥
Employees
25
💰
Market cap
130 857 374,00 $US
📊
P/E
8.7
🚀
IPO
Nov 2, 2017

🕴️ Insider activity (90 days)

2 transactions — including 0 buys declared by Spero Therapeutics, Inc. executives to SEC / AMF / BaFin.

DM
Deshpande Milind
2026-06-23
Other
RE
Rajavelu Esther
See Remarks · 2026-05-04
Other

🏦 Hedge Funds

14 institutional funds report a position on SPRO in their latest SEC quarterly filing.

VANGUARD GROUP INC
VANGUARD CAPITAL MANAGEMENT LLC
RENAISSANCE TECHNOLOGIES LLC
TWO SIGMA INVESTMENTS, LP
GEODE CAPITAL MANAGEMENT, LLC

📰 Recent news

15 recent articles on SPRO.

🧠 What makes Kairos Insider

Beyond raw data, we aggregate and score every smart money signal to give you a unique view.

🧠

Kairos Score 0-100

8-dimension composite score: insiders · hedge funds · politicians · momentum · valuation · health · analysts · earnings.

🎯

Insider Clusters

Automatic detection when 3+ executives buy the same stock simultaneously — historically the most reliable signal.

🏦

13F Hedge Funds

Berkshire (Buffett), Pershing Square (Ackman), Tiger Global, Bridgewater + 200 more. Who buys what, each quarter.

📈

ETF Rotations

NANC & GOP (Pelosi & Republicans), GURU (top hedge funds), ARK (Cathie Wood). See who enters and exits each week.

🔥

Google Trends

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📧

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Official sources · Public data · SEC EDGAR — Form 4 & 13F · AMF — Executive filings · BaFin — Directors' Dealings · Yahoo Finance · Alpha Vantage

🔓 Unlock the full analysis

This public page only shows a preview. The full analysis of SPRO on the Kairos Insider dashboard includes:

✅ Full Kairos Score (8-axis radar + synthesis)
✅ History of all 2 insider transactions over 90 days
✅ All 14 hedge funds (among 200+ tracked)
✅ 11 thematic ETFs (ARK, BUZZ, NANC, GOP, JEPI…)
✅ Hot Stocks Google Trends
✅ 2-year history: AUM + rotations
✅ Fundamentals (P/E, PEG, EV/EBITDA, ROE…)
✅ Financial health (Altman Z, Piotroski F)
✅ Sector peers + 6-quarter earnings
See full analysis →
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