CITIGROUP INC XFOR β€” X4 PHARMACEUTICALS INC

Ownership history in CITIGROUP INC  Β·  4 quarters on record

AI Ownership Summary

CITIGROUP INC reported X4 PHARMACEUTICALS INC (XFOR) in 4 quarterly 13F filings from 2025 Q2 through 2026 Q1. The latest visible filing shows XFOR at 0.00% of the fund.

This page tracks quarterly shares, estimated market value, portfolio weight, filing dates, and disclosure-aligned stock prices directly from SEC EDGAR 13F filings.

What this XFOR ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was CITIGROUP INC's position in X4 PHARMACEUTICALS INC, and how did that conviction change over time? You can read the holding window, peak weight, latest reported size, disclosure timing, and quarter-by-quarter changes without piecing the story together from raw SEC rows.

Freshest filing
Latest Reported Filing
2026 Q1

XFOR was reported at 0.00% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
0.0% in 2026 Q1

Peak weight helps separate a token disclosure from a real conviction holding the fund genuinely cared about.

Time in book
Holding Window
2025 Q2 to 2026 Q1

Longer holding windows often tell a very different story from short-lived tactical trades or one-quarter experiments.

Decision context
Why It Matters
Position size beats headlines

Knowing that a fund owned a stock is useful. Knowing whether it was a 0.20% placeholder or a true high-conviction position is where the signal actually starts.

XFOR stock page CITIGROUP INC fund profile CITIGROUP INC full holdings
How CITIGROUP INC held XFOR β€” position size vs. price
% of Fund (quarterly)    XFOR price (quarter-end, indexed to 100)    SPY (indexed to 100)    QQQ (indexed to 100)
πŸ“‹ Quarterly Holdings History 4 quarters  β–Ύ
Quarter Action Sold % After 3M Timing Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2026 Q1 ADDED β€” β€” β€” 35,765 +3,433 +10.6% 0.00% $148K 2026-05-11 $4.50
2025 Q4 ADDED β€” β€” β€” 32,332 +32,300 +100937.5% 0.00% $129K 2026-02-13 $3.41
2025 Q3 REDUCED 95.8% +25.7% ❌ 32 -730 -95.8% 0.00% $109 2025-11-10 $3.63
2025 Q2 INITIATED β€” β€” β€” 762 β€” β€” 0.00% $1K 2025-08-11 $1.42

🏒 Other funds also holding XFOR

As of 2026 Q1 β€” sorted by position size

Empery Asset Management, LP 44.5% Palumbo Wealth Management LLC 3Y 0.13% Catalyst Funds Management Pty Ltd 0.03% Indivisible Partners 0.0% WINTON GROUP Ltd 3Y 7Y 0.0% Jefferies Financial Group Inc. 3Y 7Y 0.0% VANGUARD FIDUCIARY TRUST CO 0.0% VANGUARD CAPITAL MANAGEMENT LLC 0.0% UBS Group AG 3Y 7Y 0.0% SIGNATUREFD, LLC 3Y 7Y 0.0%

FAQ About CITIGROUP INC and XFOR

These are the practical questions this page is built to answer before you even open the full history table.

How long has CITIGROUP INC reported owning XFOR?

CITIGROUP INC reported XFOR across 4 quarterly 13F filings, from 2025 Q2 through 2026 Q1.

What was the largest reported XFOR position in CITIGROUP INC's portfolio?

The largest reported portfolio weight for XFOR was 0.00% in 2026 Q1.

What is the latest reported XFOR position on this page?

The most recent filing on this page is 2026 Q1, when CITIGROUP INC reported 35,765 shares, equal to 0.00% of portfolio, with an estimated market value of $148K.

What does the chart on this XFOR ownership page compare?

The chart compares CITIGROUP INC's quarterly XFOR portfolio weight with the stock's indexed share price, so you can see whether the fund was building, trimming, or holding the position as price moved.

How well did CITIGROUP INC time their XFOR position?

Based on 13F filing dates vs. subsequent XFOR price moves, CITIGROUP INC correctly timed 3 out of 3 reported position changes (100%). The annualised alpha on XFOR relative to SPY over the holding period was +278.9%.

← Back to CITIGROUP INC Holdings