Companies: 10,795·Total market cap: $144.5T
William Blair Small Cap Growth Fund Class I

William Blair Small Cap Growth Fund Class I

WBSIXNASDAQFinancial Services● Active
$38.44
+$0.25(+0.65%)
Market Cap$1.2B
P/E Ratio
52W High$39.54
52W Low$32.09
SEC Filings

William Blair Small Cap Growth Fund Class I (WBSIX) SEC Filings & 10-K Annual Reports

SEC EDGAR regulatory submissions (10-K, 10-Q, 8-K), latest forms, and full filing history — quick links to financials and earnings below.

SEC EDGAR · data.sec.gov · CIK 0000822632 · WBSIX · NASDAQ · as of Jun 9, 2026

Filing snapshot

1,000+
Total Filings
425
Latest Form
2026-06-08
Most Recent
1999
Filing Since

Source: SEC EDGAR (data.sec.gov) · CIK 0000822632 · Updated hourly · Not investment advice

Latest Key Filings

10-QQuarterly Report

No recent filings

8-KCurrent Report

No recent filings

Form 4Insider Activity
Ownership Change Disclosures

Executive & director trade disclosures. Full buy/sell sentiment analysis on the dedicated tab.

SEC Filing History

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About SEC Filings & 10-K Annual Reports

Data source: SEC EDGAR (data.sec.gov)  |  Updated: Hourly  |  CIK: 0000822632  |  Exchange: NASDAQ · Financial Services

William Blair Small Cap Growth Fund Class I (NASDAQ: WBSIX) has submitted 1,000+ documents to the U.S. Securities and Exchange Commission (SEC) since its IPO in 1999. As a Financial Services sector company with CIK 0000822632, all filings are publicly accessible via the EDGAR database at no cost.

The annual 10-K report is William Blair Small Cap Growth Fund Class I's most comprehensive regulatory disclosure. The most recent William Blair Small Cap Growth Fund Class I 10-K was filed on — for fiscal year ending —. Historical WBSIX 10-K annual reports are available from 2018 through —.

Investors researching William Blair Small Cap Growth Fund Class I SEC filings can access 10-K annual reports, quarterly 10-Q reports, material event 8-K filings, and proxy statements directly from the links above. All documents are sourced from the official SEC EDGAR system.

Source: SEC EDGAR · data.sec.gov · SEC Form 10-K · SEC Form 10-Q · SEC Form 8-K2026-06-09

Frequently Asked Questions

WBSIX SEC Filings · 8 questions

William Blair Small Cap Growth Fund Class I (WBSIX) SEC filings are publicly available on this page and on the official SEC EDGAR database at sec.gov. You can browse all 1,000+ filings and access original documents at no cost. William Blair Small Cap Growth Fund Class I's CIK is 0000822632.

WBSIX SEC filingsWilliam Blair Small Cap Growth Fund Class I SEC documentsfind WBSIX 10-K