CITIGROUP INC STRO — SUTRO BIOPHARMA INC

Ownership history in CITIGROUP INC  ·  32 quarters on record

AI Ownership Summary

CITIGROUP INC reported SUTRO BIOPHARMA INC (STRO) in 32 quarterly 13F filings from 2024 Q2 through 2026 Q3. The latest visible filing shows STRO 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. Older history is available after unlock; the visible window still shows the most recent pattern.

What this STRO 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 SUTRO BIOPHARMA 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 Q3

STRO 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
2024 Q2 to 2026 Q3

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.

STRO stock page CITIGROUP INC fund profile CITIGROUP INC full holdings
How CITIGROUP INC held STRO — position size vs. price
% of Fund (quarterly)    STRO price (quarter-end, indexed to 100)    SPY (indexed to 100)    QQQ (indexed to 100)
📋 Quarterly Holdings History 10 quarters  ▾
Quarter Action Sold % After 3M Timing Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2026 Q3 REDUCED — — — 1,189 -6,267 -84.1% 0.00% $19K 2026-11-04 $9.94
2026 Q2 REDUCED 60.4% -51.7% ✅ 7,456 -11,389 -60.4% 0.00% $248K 2026-08-03 $25.10
2026 Q1 ADDED — — — 18,845 +17,802 +1706.8% 0.00% $469K 2026-05-15 (Est.) $38.97
2025 Q4 REDUCED 98.6% +115.3% ❌ 1,043 -74,334 -98.6% 0.00% $12K 2026-02-13 $16.16
2025 Q3 ADDED — — — 75,377 +46,849 +164.2% 0.00% $65K 2025-11-10 $8.10
2025 Q2 REDUCED 56.3% +23.9% ❌ 28,528 -36,777 -56.3% 0.00% $20K 2025-08-11 $7.70
2025 Q1 ADDED — — — 65,305 +1,381 +2.2% 0.00% $42K 2025-05-12 $8.70
2024 Q4 ADDED — — — 63,924 +2,784 +4.6% 0.00% $118K 2025-02-12 $16.10
2024 Q3 ADDED — — — 61,140 +41,951 +218.6% 0.00% $212K 2024-11-12 $40.80
2024 Q2 ADDED — — — 19,189 +7,606 +65.7% 0.00% $56K 2024-08-12 $32.40
22 older quarters hidden  —  Sign in free or upgrade to Premium to see full history

🏢 Other funds also holding STRO

As of 2026 Q3 — sorted by position size

Y-Intercept (Hong Kong) Ltd 3Y 0.03% FNY Investment Advisers, LLC 3Y 7Y 0.0% State of Wyoming 3Y 0.0% Owl Creek Wealth Partners LLC 0.0% Achmea Investment Management B.V. 3Y 7Y 0.0% MACKENZIE FINANCIAL CORP 3Y 7Y 0.0% Physician Wealth Advisors, Inc. 3Y 0.0% Fortitude Family Office, LLC 0.0% Sterling Capital Management LLC 3Y 7Y 0.0% GAMMA Investing LLC 0.0%

FAQ About CITIGROUP INC and STRO

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 STRO?

CITIGROUP INC reported STRO across 10 quarterly 13F filings, from 2024 Q2 through 2026 Q3.

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

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

What is the latest reported STRO position on this page?

The most recent filing on this page is 2026 Q3, when CITIGROUP INC reported 1,189 shares, equal to 0.00% of portfolio, with an estimated market value of $19K.

What does the chart on this STRO ownership page compare?

The chart compares CITIGROUP INC's quarterly STRO 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 STRO position?

Based on 13F filing dates vs. subsequent STRO price moves, CITIGROUP INC correctly timed 9 out of 31 reported position changes (29%). The annualised alpha on STRO relative to SPY over the holding period was -36.7%.

← Back to CITIGROUP INC Holdings