State Street Prime Money Market MMK

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State Street Prime Money Market ETF · ETF · NYSE

Announcement types: (default: consequential filings)
Results & current reports
Capital markets
Ownership & governance

USD closing-price chart (daily close from yfinance · Last year)

USD 100.02 → 100.21 · 0.2%
100.320100.15599.990 Feb 26Apr 26Jul 26

Price & SEC Filing History 22 Jul 2025 — 23 Jul 2026 (Last year)

Daily NYSE prices are sourced from yfinance. Yellow highlighting marks an intraday rise or a gap up between adjacent trading sessions. SEC acceptance times are converted to US Eastern time: pre-market filings appear below that day’s OHLCV row; filings accepted after the 09:30 ET open appear above it. The SEC does not publish an exact first-public-availability timestamp, so acceptance time is the best available proxy.

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100.2100 100.2100 100.2100 100.2100 300
100.2000 100.2000 100.2000 100.2000 2,000
Weekend
Weekend
100.1800 100.1900 100.1800 100.1900 1,400
100.1600 100.1600 100.1500 100.1600 3,000
100.1500 100.1500 100.1500 100.1500 300
100.1400 100.1400 100.1300 100.1400 700
100.1300 100.1300 100.1200 100.1200 200
Weekend
Weekend
100.1100 100.1200 100.1100 100.1200 1,400
100.1000 100.1000 100.1000 100.1000 2,200
100.0800 100.0900 100.0800 100.0900 3,000
100.0600 100.0700 100.0600 100.0700 900
100.0500 100.0700 100.0500 100.0600 13,400
Weekend
Weekend
No trading
100.0400 100.0400 100.0400 100.0400 600
100.0100 100.0100 100.0100 100.0100 100
100.2700 100.2900 100.2700 100.2800 1,100
100.2700 100.2700 100.2700 100.2700 200
Weekend
Weekend
100.2500 100.2600 100.2500 100.2600 1,000
100.2300 100.2300 100.2200 100.2300 1,000
100.2200 100.2300 100.2200 100.2300 400
100.2000 100.2000 100.2000 100.2000 2,000
100.2200 100.2200 100.1800 100.2000 2,500
Weekend
Weekend
No trading
100.2300 100.2300 100.2000 100.2000 1,700
100.1700 100.1700 100.1600 100.1700 2,800
100.1600 100.1600 100.1500 100.1500 900
100.1400 100.1500 100.1300 100.1400 7,200
Weekend
Weekend
100.1100 100.1300 100.1100 100.1300 3,500
100.1000 100.1100 100.1000 100.1100 15,100
100.0900 100.1000 100.0900 100.1000 300
100.0800 100.0800 100.0800 100.0800 200
100.0800 100.0800 100.0800 100.0800 2,700
Weekend
Weekend
100.0600 100.0700 100.0600 100.0600 2,100
100.0400 100.0400 100.0400 100.0400 2,300
100.0200 100.0200 100.0200 100.0200 100
100.0100 100.0200 100.0000 100.0100 600
100.0000 100.0000 100.0000 100.0000 1,100
Weekend
Weekend
100.2900 100.3200 100.2900 100.3200 8,200
100.2700 100.2700 100.2700 100.2700 8,100
100.2600 100.2600 100.2600 100.2600 800
100.2300 100.2400 100.2300 100.2400 2,300
No trading
Weekend
Weekend
100.2400 100.2400 100.2400 100.2400 800
100.2000 100.2000 100.2000 100.2000 1,500
100.1800 100.1800 100.1800 100.1800 100
100.1700 100.1700 100.1700 100.1700 100
100.1600 100.1600 100.1600 100.1600 1,200
Weekend
Weekend
100.1600 100.1600 100.1600 100.1600 0
100.1400 100.1400 100.1300 100.1400 2,200
100.1200 100.1200 100.1200 100.1200 100
100.1200 100.1200 100.1100 100.1100 800
100.1000 100.1000 100.1000 100.1000 100
Weekend
Weekend
100.0900 100.0900 100.0900 100.0900 100
100.0500 100.0700 100.0500 100.0700 300
100.0500 100.0500 100.0500 100.0500 800
100.0400 100.0400 100.0400 100.0400 600
100.0300 100.0300 100.0300 100.0300 600
Weekend
Weekend
100.0200 100.0200 100.0200 100.0200 100
100.2900 100.2900 100.2900 100.2900 100
100.2900 100.2900 100.2800 100.2800 300
100.2700 100.2700 100.2700 100.2700 0
100.2600 100.2600 100.2500 100.2500 100
Weekend
Weekend
100.2500 100.2500 100.2500 100.2500 1,600
100.2200 100.2200 100.2200 100.2200 200
100.2100 100.2100 100.2100 100.2100 100
100.2000 100.2000 100.2000 100.2000 200
100.1800 100.1800 100.1800 100.1800 100
Weekend
Weekend
100.1700 100.1700 100.1700 100.1700 100
100.1400 100.1400 100.1400 100.1400 100
100.1300 100.1300 100.1300 100.1300 100
100.1200 100.1200 100.1200 100.1200 100
100.1100 100.1200 100.1100 100.1200 3,200
Weekend
Weekend
100.1100 100.1100 100.1100 100.1100 100
100.0700 100.0700 100.0700 100.0700 100
100.0600 100.0600 100.0600 100.0600 200
100.0500 100.0500 100.0500 100.0500 100
100.0300 100.0300 100.0300 100.0300 100
Weekend
Weekend
No trading
100.0400 100.0400 100.0400 100.0400 400
99.9900 99.9900 99.9900 99.9900 100
100.2900 100.2900 100.2900 100.2900 100
100.2700 100.2700 100.2700 100.2700 100
Weekend
Weekend
100.2600 100.2600 100.2600 100.2600 200
100.2300 100.2300 100.2300 100.2300 100
100.2200 100.2200 100.2200 100.2200 100
100.2200 100.2200 100.2200 100.2200 100
100.2000 100.2000 100.2000 100.2000 300
Weekend
Weekend
100.2000 100.2000 100.2000 100.2000 300
100.1700 100.1700 100.1700 100.1700 200
100.1600 100.1600 100.1600 100.1600 100
100.1500 100.1500 100.1500 100.1500 100
100.1400 100.1400 100.1400 100.1400 100
Weekend
Weekend
100.1400 100.1400 100.1400 100.1400 100
100.1100 100.1100 100.1100 100.1100 100
100.1000 100.1000 100.1000 100.1000 100
100.1000 100.1000 100.0900 100.0900 100
100.0800 100.0800 100.0800 100.0800 400
Weekend
Weekend
100.0700 100.0700 100.0700 100.0700 100
100.0400 100.0500 100.0400 100.0500 300
100.0300 100.0400 100.0200 100.0300 700
100.0400 100.0400 100.0300 100.0300 300
100.0200 100.0200 100.0100 100.0100 1,200
Weekend
Weekend
100.1900 100.1900 100.1900 100.1900 100
100.1600 100.1600 100.1600 100.1600 100
100.1500 100.1500 100.1500 100.1500 100
100.1300 100.1400 100.1300 100.1400 800
100.1200 100.1200 100.1200 100.1200 100
Weekend
Weekend
100.1200 100.1200 100.1200 100.1200 0
100.0900 100.0900 100.0900 100.0900 100
100.0800 100.0800 100.0600 100.0600 100
100.0600 100.0600 100.0600 100.0600 100
No trading
Weekend
Weekend
100.0600 100.0600 100.0600 100.0600 700
100.0200 100.0200 100.0100 100.0200 1,900
No trading
No trading
No trading
Weekend
Weekend
No trading
No trading
No trading
No trading
No trading
Weekend
Weekend
No trading
No trading
No trading
No trading
No trading
Weekend
Weekend
No trading
No trading
No trading
No trading
No trading
Weekend
Weekend
No trading
No trading
No trading
No trading
No trading
Weekend
Weekend
No trading
No trading
No trading
No trading
No trading
Weekend
Weekend
No trading
No trading
No trading
No trading
No trading
Weekend
Weekend
No trading
No trading
No trading
No trading
No trading
Weekend
Weekend
No trading
No trading
No trading
No trading
No trading
Weekend
Weekend
No trading
No trading
No trading
No trading
No trading
Weekend
Weekend
No trading
No trading
No trading
No trading
No trading
Weekend
Weekend
No trading
No trading
No trading
No trading
No trading
Weekend
Weekend
No trading
No trading
No trading
No trading
No trading
Weekend
Weekend
No trading
No trading
No trading
No trading
No trading
Weekend
Weekend
No trading
No trading
No trading
No trading
No trading
Weekend
Weekend
No trading
No trading
No trading
No trading
No trading
Weekend
Weekend
No trading
No trading
No trading
No trading
No trading
Weekend
Weekend
No trading
No trading
No trading
No trading
No trading
Weekend
Weekend
No trading
No trading
No trading
No trading
No trading
Weekend
Weekend
No trading
No trading
No trading
No trading
No trading
Weekend
Weekend
No trading
No trading
No trading
No trading
No trading
Weekend
Weekend
No trading
No trading
No trading
No trading
No trading
Weekend
Weekend
No trading
No trading
No trading
No trading
No trading
Weekend
Weekend
No trading
No trading
No trading
No trading
No trading
Weekend
Weekend
No trading
No trading
No trading
No trading
No trading
Weekend
Weekend
No trading
No trading
No trading
No trading
No trading
Weekend
Weekend
No trading
No trading
No trading
No trading
No trading
Weekend
Weekend
No trading
No trading
No trading
No trading
No trading
Weekend
Weekend
No trading
No trading
No trading
No trading
No trading
Weekend
Weekend
No trading
No trading
No trading
No trading

Announcement Events

Each title opens the filing on the SEC website. Registered users can summarise the filing and up to seven relevant exhibits linked within the same SEC submission.

No SEC filings were found in this date range.