Citigroup's Q2 holdings market value exceeded $300 billion, significantly increasing its positions in the semiconductor supply chain, with Micron and AMD both receiving substantial additions

According to the disclosure by the U.S. Securities and Exchange Commission (SEC), Wall Street financial giant Citigroup (C.US) submitted its second-quarter U.S. stock holdings report (13F) for the period ending June 30, 2026.

Statistics show that Citigroup's total holdings market value in the second quarter reached approximately $303 billion, compared to about $235 billion in the previous quarter. The data indicates that Citigroup added 585 new stocks to its portfolio in the second quarter, increased its holdings in 3,327 stocks, while reducing its holdings in 1,481 stocks and completely liquidating 809 stocks. Among these, the top ten holdings accounted for 20.13% of Citigroup's total U.S. stock market value.

Among Citigroup's top ten holdings in the second quarter, NVIDIA (NVDA.US) remains the largest holding, with approximately 61.3 million shares, a total market value of about $12.3 billion, accounting for 4.05% of the portfolio, a significant increase of 23.00% compared to the previous quarter.

Apple (AAPL.US) ranks as the second-largest holding, with approximately 25.29 million shares, a market value of about $7.3 billion, accounting for 2.42% of the portfolio, an increase of 13.57% compared to the previous quarter.

Microsoft (MSFT.US) is the third-largest holding, with approximately 19.05 million shares, a market value of about $7.1 billion, accounting for 2.35% of the portfolio, an increase of 14.28% compared to the previous quarter.

Micron Technology (MU.US) ranks fourth, with approximately 5.3 million shares, a market value of about $6.1 billion, accounting for 2.02% of the portfolio, with an increase of 11.29% in the number of shares compared to the previous quarter.

The iShares Russell 2000 ETF put options (IWM.US, PUT) rank fifth, with approximately 19.19 million contracts, a market value of about $5.8 billion, accounting for 1.90% of the portfolio, with an increase of 3.04% in the number of contracts compared to the previous quarter.

Among the top ten holdings, the stocks ranked 6-10 in Citigroup's positions as of the second quarter are: Invesco QQQ Trust put options (QQQ.US, PUT), Amazon (AMZN.US), Broadcom (AVGO.US), NVIDIA put options (NVDA.US, PUT), and Google (GOOGL.US).

In terms of new positions, Citigroup's new holdings in the second quarter were primarily focused on options and some small to mid-cap stocks. Notable new positions include 2.775 million contracts of SpaceX call options (SPCX.US, CALL) with a market value of approximately $474 million; and about 2.29 million contracts of Roundhill Memory ETF call options (DRAM.US, CALL) with a market value of approximately $169 million In addition, the recently spun-off aerospace company Honeywell Aerospace (HONA.US) from Honeywell (HON.US), Bitcoin ETF - iShares Call Options (IBIT.US, CALL), and put options related to cloud computing stocks have also been included in the new positions list.

In terms of increasing positions, Citigroup's second-quarter increases were quite broad. From the perspective of changes in portfolio proportions, Micron Technology (MU.US) saw the most significant increase this quarter, with its holding proportion rising sharply from 0.69% to 2.02%, and the number of shares increased by approximately 538,000 shares. At the same time, its put options (MU.US, PUT) holding proportion rose from 0.02% to 0.95%, an increase of 1535%, indicating that Citigroup is significantly building protective hedges while increasing its position in the underlying stock.

AMD (AMD.US) also received a significant increase, with its holding proportion rising from 0.53% to 1.22%, ranking 11th. Tesla (TSLA.US) saw an increase of 52.99% in its underlying stock, with its holding proportion rising from 0.82% to 1.10%. The holding proportion of the Semiconductor Index ETF - VanEck put options (SMH.US, PUT) rose from 0.13% to 0.64%, an increase of 282.71%.

Additionally, Intel (INTC.US) saw its holding proportion rise from 0.29% to 0.71%, Applied Materials (AMAT.US) from 0.36% to 0.69%, Lam Research (LRCX.US) from 0.33% to 0.60%, and KLA (KLAC.US) from 0.24% to 0.46%, with several semiconductor equipment stocks receiving varying degrees of increases. JPMorgan (JPM.US) was increased by 34.59%, with its holding proportion rising to 0.55%. Berkshire (BRK.B.US) was increased by 40.60%. In the energy sector, the holding proportion of the Energy Index ETF - SPDR put options (XLE.US, PUT) rose from 0.23% to 0.46%, an increase of 192.92%.

In terms of reducing positions, Citigroup's top five sell targets were: Industrial Sector ETF - SPDR put options (XLI.US, PUT), Bank of America (BAC.US), Russell 2000 ETF - iShares (IWM.US), Bond Index ETF - iShares iBoxx High Yield Corporate Bond put options (HYG.US, PUT), and Tesla put options (TSLA.US, PUT).