ADVM β€” ADVERUM BIOTECHNOLOGIES INC

Ownership history in VANGUARD GROUP INC  Β·  38 quarters on record

AI Ownership Summary

VANGUARD GROUP INC reported ADVERUM BIOTECHNOLOGIES INC (ADVM) in 38 quarterly 13F filings from 2023 Q3 through 2025 Q3. The latest visible filing shows ADVM 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 ADVM ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was VANGUARD GROUP INC's position in ADVERUM BIOTECHNOLOGIES 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
2025 Q3

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

High-water mark
Peak Conviction
0.0% in 2024 Q1

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

Time in book
Holding Window
2023 Q3 to 2025 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.

How VANGUARD GROUP INC held ADVM β€” position size vs. price
% of Fund (quarterly)
πŸ“‹ Quarterly Holdings History 9 quarters  β–Ύ
Quarter Action Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2025 Q3 REDUCED 872,041 -11,896 -1.3% 0.00% $4.0M 2025-11-07 β€”
2025 Q2 REDUCED 883,937 -145,389 -14.1% 0.00% $1.9M 2025-08-11 β€”
2025 Q1 REDUCED 1,029,326 -1,756 -0.2% 0.00% $4.5M 2025-05-09 β€”
2024 Q4 ADDED 1,031,082 +3,428 +0.3% 0.00% $4.8M 2025-02-11 β€”
2024 Q3 ADDED 1,027,654 +18,195 +1.8% 0.00% $7.2M 2024-11-13 β€”
2024 Q2 ADDED 1,009,459 +102,308 +11.3% 0.00% $6.9M 2024-08-13 β€”
2024 Q1 REDUCED 907,151 -3,281,883 -78.3% 0.00% $12.8M 2024-05-10 β€”
2023 Q4 UNCHANGED 4,189,034 β€” 0% 0.00% $3.2M 2024-02-14 β€”
2023 Q3 ADDED 4,189,034 +127,000 +3.1% 0.00% $6.3M 2023-11-14 β€”
29 older quarters hidden  β€”  Sign in free or upgrade to Premium to see full history

FAQ About VANGUARD GROUP INC and ADVM

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

How long has VANGUARD GROUP INC reported owning ADVM?

VANGUARD GROUP INC reported ADVM across 9 quarterly 13F filings, from 2023 Q3 through 2025 Q3.

What was the largest reported ADVM position in VANGUARD GROUP INC's portfolio?

The largest reported portfolio weight for ADVM was 0.00% in 2024 Q1.

What is the latest reported ADVM position on this page?

The most recent filing on this page is 2025 Q3, when VANGUARD GROUP INC reported 872,041 shares, equal to 0.00% of portfolio, with an estimated market value of $4.0M.

What does the chart on this ADVM ownership page compare?

The chart compares VANGUARD GROUP INC's quarterly ADVM 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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