§ 13F · FUND PROFILE
Citigroup Inc.
Citigroup Inc operates as a major universal bank with substantial trading and prime brokerage operations, managing a diversified portfolio of over 15,000 positions across equities, ETFs, and other securities. The firm's investment activities primarily support its banking operations, client services, and proprietary trading, with significant holdings in major ETFs and technology stocks.
AUM · $302.7B (13F)Positions · 11343Turnover · 42% · Q2Filed · Aug 3, 2026
CONCENTRATION
15%
Top 10 holdings
NEW BUYS
+413
+$1.5B deployed
EXITS
0
No exits
SECTOR SHIFT
OTHER → SEMICONDUCTORS
-2pp · +6pp
§ 01 · TOP HOLDINGS
The book · Q2 2026
FILED AUG 3, 2026
| # | Ticker | Name | Shares | $ value | % port | Δ Q2 |
|---|---|---|---|---|---|---|
| 1 | NVDA | NVIDIA CORPORATION | 43.71M | $8.7B | 2.9% | +14% |
| 2 | MU | MICRON TECHNOLOGY INC | 4.39M | $5.1B | 1.7% | +58% |
| 3 | MSFT | MICROSOFT CORP | 12.99M | $4.8B | 1.6% | +11% |
| 4 | QQQ | INVESCO QQQ TR | 5.86M | $4.3B | 1.4% | +4% |
| 5 | AAPL | APPLE INC | 14.45M | $4.2B | 1.4% | +18% |
| 6 | NVDA | NVIDIA CORPORATION | 19.68M | $3.9B | 1.3% | — |
| 7 | AAPL | APPLE INC | 11.76M | $3.4B | 1.1% | — |
| 8 | AVGO | BROADCOM INC | 8.54M | $3.2B | 1.1% | +22% |
| 9 | IWM | ISHARES TR | 10.72M | $3.2B | 1.1% | −14% |
| 10 | AMZN | AMAZON COM INC | 12.48M | $3.0B | 1.0% | +25% |
§ 02 · SECTOR ALLOCATION
Where the money is
Other30.1% (−2pp)
Semiconductors19.5% (+6pp)
Technology12.6% (±0)
Media6.0% (±0)
Retail5.2% (±0)
Financial Services3.9% (±0)
§ 03 · THE CITIGROUP SIGNAL
AC read
Citigroup's most recent 13F filing reflects the footprint one would expect from a global dealer bank rather than a traditional asset manager pursuing conviction-weighted bets. With 14,658 reported positions and a Herfindahl-Hirschman Index of just 0.005, the book is about as diversified as public equity filings get. The presence of five separate NVDA line items and two separate MSFT line items likely reflects internal booking across different desks, entities, or custodial structures rather than a single portfolio manager building or trimming a position. The top 10 holdings account for only 15% of reported value, and the largest single line, QQQ at 5.8%, is itself a diversified index product rather than a directional single-name bet.
Read the full dossier →§ 04 · FILING HISTORY
Q-by-Q deltas
4 OF 2 FILINGS MEASURED
Q2 2026
Busy quarter
+413 buys · −0 exits · 4319 changed
Q1 2026
Busy quarter
+451 buys · −0 exits · 4400 changed
Q4 2025
Busy quarter
+531 buys · −0 exits · 4436 changed
Q3 2025
Busy quarter
+634 buys · −0 exits · 4343 changed