SMWB — SIMILARWEB LTD

Ownership history in CITADEL ADVISORS LLC  ·  45 quarters on record

AI Ownership Summary

CITADEL ADVISORS LLC reported SIMILARWEB LTD (SMWB) in 45 quarterly 13F filings from 2023 Q4 through 2025 Q4. The latest visible filing shows SMWB 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 SMWB ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was CITADEL ADVISORS LLC's position in SIMILARWEB LTD, 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
2025 Q4

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

High-water mark
Peak Conviction
0.0% in 2024 Q3

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

Time in book
Holding Window
2023 Q4 to 2025 Q4

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.

SMWB stock page CITADEL ADVISORS LLC fund profile CITADEL ADVISORS LLC full holdings
How CITADEL ADVISORS LLC held SMWB — position size vs. price
% of Fund (quarterly)    SMWB price (quarter-end, indexed to 100)
📋 Quarterly Holdings History 24 quarters  ▾
Quarter Action Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2025 Q4 REDUCED 200,114 -85,786 -30.0% 0.00% $1.5M 2026-02-14 (Est.) $3.98
2025 Q4 ADDED 285,900 +25,031 +9.6% 0.00% $2.1M 2026-02-14 (Est.) $3.98
2025 Q3 REDUCED 260,869 -356,631 -57.8% 0.00% $2.4M 2025-11-14 $7.35
2025 Q3 ADDED 617,500 +576,500 +1406.1% 0.00% $5.7M 2025-11-14 $7.35
2025 Q3 REDUCED 41,000 -839,265 -95.3% 0.00% $381K 2025-11-14 $7.35
2025 Q2 ADDED 880,265 +468,865 +114.0% 0.00% $6.9M 2025-08-14 $8.39
2025 Q2 ADDED 411,400 +346,900 +537.8% 0.00% $3.2M 2025-08-14 $8.39
2025 Q2 REDUCED 64,500 -435,500 -87.1% 0.00% $506K 2025-08-14 $8.39
2025 Q1 ADDED 500,000 +244,700 +95.8% 0.00% $4.1M 2025-05-15 $7.36
2025 Q1 ADDED 255,300 +172,800 +209.5% 0.00% $2.1M 2025-05-15 $7.36
2025 Q1 REDUCED 82,500 -174,624 -67.9% 0.00% $682K 2025-05-15 $7.36
2024 Q4 ADDED 257,124 +242,424 +1649.1% 0.00% $3.6M 2025-02-14 $10.76
2024 Q4 REDUCED 14,700 -126,400 -89.6% 0.00% $208K 2025-02-14 $10.76
2024 Q4 REDUCED 141,100 -1,539,835 -91.6% 0.00% $2.0M 2025-02-14 $10.76
2024 Q3 ADDED 1,680,935 +1,668,335 +13240.8% 0.00% $14.9M 2024-11-14 $11.85
2024 Q3 REDUCED 12,600 -96,705 -88.5% 0.00% $111K 2024-11-14 $11.85
2024 Q2 ADDED 109,305 +108,805 +21761.0% 0.00% $849K 2024-08-14 $7.99
2024 Q2 REDUCED 500 -16,696 -97.1% 0.00% $4K 2024-08-14 $7.99
2024 Q1 ADDED 17,196 +16,696 +3339.2% 0.00% $155K 2024-05-15 $7.58
2024 Q1 REDUCED 500 -3,100 -86.1% 0.00% $4K 2024-05-15 $7.58
2024 Q1 REDUCED 3,600 -89,792 -96.1% 0.00% $32K 2024-05-15 $7.58
2023 Q4 ADDED 93,392 +92,592 +11574.0% 0.00% $498K 2024-02-14 $7.56
2023 Q4 ADDED 800 +700 +700.0% 0.00% $4K 2024-02-14 $7.56
2023 Q4 REDUCED 100 -19,836 -99.5% 0.00% $533 2024-02-14 $7.56
21 older quarters hidden  —  Sign in free or upgrade to Premium to see full history

🏢 Other funds also holding SMWB

As of 2025 Q4 — sorted by position size

NASPERS LTD 3Y 18.06% Ulysses Management LLC 3Y 7Y 4.13% P.A.W. CAPITAL CORP 3Y 7Y 3.91% Alpha Family Trust 3Y 2.25% S Squared Technology, LLC 3Y 7Y 2.25% Sphera Management Technology Funds Ltd 1.23% NANO CAP NEW MILLENNIUM GROWTH FUND L P 1.07% Penn Capital Management Company, LLC 3Y 7Y 0.95% HERALD INVESTMENT MANAGEMENT Ltd 3Y 7Y 0.63% Persistent Asset Partners Ltd 0.61%

FAQ About CITADEL ADVISORS LLC and SMWB

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

How long has CITADEL ADVISORS LLC reported owning SMWB?

CITADEL ADVISORS LLC reported SMWB across 24 quarterly 13F filings, from 2023 Q4 through 2025 Q4.

What was the largest reported SMWB position in CITADEL ADVISORS LLC's portfolio?

The largest reported portfolio weight for SMWB was 0.00% in 2024 Q3.

What is the latest reported SMWB position on this page?

The most recent filing on this page is 2025 Q4, when CITADEL ADVISORS LLC reported 200,114 shares, equal to 0.00% of portfolio, with an estimated market value of $1.5M.

What does the chart on this SMWB ownership page compare?

The chart compares CITADEL ADVISORS LLC's quarterly SMWB 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.

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