June S&P SmallCap 600 additions highlighted First Advantage, NETSTREIT, Eastern Bankshares, Gulfport, and WesBanco.
Sectors & Industries
June 30, 2026
Table of Contents
June 30, 2026
Several public companies were added or set to be added to the S&P SmallCap 600 in June 2026, with index changes across energy, real estate, banking, industrials, and financial services.
Index additions can move stocks because they may increase visibility, improve liquidity, and create buying demand from funds that track the benchmark.
The stock reactions were mixed. Some companies rose as investors focused on greater institutional exposure. Others showed limited or negative reactions when the inclusion was already expected or when broader sector pressure outweighed the index catalyst.
Being added to the S&P SmallCap 600 can be a positive catalyst because index funds and other benchmark-tracking vehicles may need to buy shares.
It can also help a company gain broader investor awareness, especially if the business is smaller, underfollowed, or recently improved its financial profile.
June’s additions showed that the strongest reactions came when investors viewed the index inclusion as recognition of operating momentum, stronger liquidity, or improved market relevance.
Price: $18.12
Date: June 11, 2026
1-day impact: +5.977%
52-week range: $8.82 to $18.55
First Advantage was set to join the S&P SmallCap 600 before the open on June 16, replacing Kennedy-Wilson Holdings.
First Advantage provides employment background screening, identity verification, drug testing, compliance, and workforce risk management solutions for employers.
Shares rose nearly 6% after the announcement, making it the strongest reaction among the June S&P SmallCap 600 additions in the LevelFields data. The move suggests investors viewed the index inclusion as a meaningful visibility and liquidity catalyst for the stock.
Price: $21.39
Date: June 24, 2026
1-day impact: +1.865%
52-week range: $16.45 to $21.30
NETSTREIT was set to join the S&P SmallCap 600 before the open on June 29, replacing ProAssurance.
NETSTREIT is a net lease real estate investment trust focused on single-tenant retail properties leased to necessity-based and service-oriented tenants.
Shares rose after the announcement, suggesting investors viewed the index addition as a positive catalyst for a real estate stock trading near the high end of its 52-week range.
Price: $22.07
Date: June 11, 2026
1-day impact: +1.320%
52-week range: $14.88 to $22.575
Eastern Bankshares announced that it would be added to the S&P SmallCap 600 before the open on June 22.
Eastern Bankshares is the holding company for Eastern Bank, a regional bank serving communities across Massachusetts, New Hampshire, Rhode Island, and nearby markets.
The company said the addition reflected the strength of its business and continued focus on long-term value creation. Shares rose 1.3% after the event, likely supported by expectations for improved institutional visibility.
Price: $166.00
Date: June 26, 2026
1-day impact: +0.000%
52-week range: $158.91 to $225.78
Gulfport Energy was set to join the S&P SmallCap 600 before the open on July 1, replacing Select Medical Holdings.
Gulfport Energy is an independent natural gas and oil exploration and production company with operations focused on U.S. resource plays.
The stock showed no one-day impact in the LevelFields data, suggesting the index addition did not immediately create a strong price reaction. The move still matters because it increases Gulfport’s visibility within the small-cap energy universe.
Price: $38.79
Date: June 17, 2026
1-day impact: -2.102%
52-week range: $29.18 to $39.25
WesBanco announced that it would be added to the S&P SmallCap 600 after the close on June 18.
WesBanco is a regional bank holding company that provides retail banking, commercial banking, trust, brokerage, wealth management, and insurance services across a ten-state footprint.
The company said the index inclusion reflected its financial performance, disciplined growth strategy, and acquisition-driven scale following its integration of Premier Financial.
Shares declined 2.1% after the event, showing that index inclusion does not always produce a positive immediate reaction. Investors may have focused more on broader bank-sector conditions, valuation, or near-term trading pressure.
S&P SmallCap 600 additions can be bullish when they are paired with:
First Advantage, NETSTREIT, and Eastern Bankshares fit this category in June.
Index additions can have a weaker impact when they are paired with:
WesBanco and Gulfport showed more muted reactions, despite being added or set to be added to the benchmark.
June’s S&P SmallCap 600 additions showed that index inclusion can be a useful catalyst, but it does not guarantee a positive stock move.
The strongest reactions came from companies where investors appeared to view the addition as confirmation of improved visibility, liquidity, or business momentum. The weaker reactions showed that index buying demand can be offset by sector pressure or broader investor caution.
Platforms like LevelFields track S&P 600 additions and removals in real timealongside, activist investor stake, layoffs, earnings, strategic events, and dividends, helping investors identify when an index event is likely to create momentum versus a muted market response.
Join LevelFields now to be the first to know about events that affect stock prices and uncover unique investment opportunities. Choose from events, view price reactions, and set event alerts with our AI-powered platform. Don't miss out on daily opportunities from 6,300 companies monitored 24/7. Act on facts, not opinions, and let LevelFields help you become a better investor.
AI scans for events proven to impact stock prices, so you don't have to.
LEARN MORE