PASG — PASSAGE BIO INC

Ownership history in New Leaf Venture Partners, L.L.C.  ·  23 quarters on record

AI Ownership Summary

New Leaf Venture Partners, L.L.C. reported PASSAGE BIO INC (PASG) in 23 quarterly 13F filings from 2023 Q4 through 2025 Q3. Peak portfolio weight reached 37.74% in 2025 Q2. The latest visible filing shows PASG at 1.63% 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 PASG ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was New Leaf Venture Partners, L.L.C.'s position in PASSAGE BIO 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

PASG was reported at 1.63% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
37.74% in 2025 Q2

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 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.

PASG stock page New Leaf Venture Partners, L.L.C. fund profile New Leaf Venture Partners, L.L.C. full holdings
How New Leaf Venture Partners, L.L.C. held PASG — position size vs. price
% of Fund (quarterly)    PASG price (quarter-end, indexed to 100)
📋 Quarterly Holdings History 8 quarters  ▾
Quarter Action Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2025 Q3 REDUCED 87,426 -2,410,496 -96.5% 1.63% $702K 2025-11-14 (Est.) $8.85
2025 Q2 UNCHANGED 2,497,922 — 0% 37.74% $20.0M 2025-08-13 $6.38
2025 Q1 UNCHANGED 2,497,922 — 0% 1.96% $882K 2025-05-13 $5.90
2024 Q4 UNCHANGED 2,497,922 — 0% 1.89% $1.4M 2025-02-13 $10.46
2024 Q3 UNCHANGED 2,497,922 — 0% 1.80% $1.7M 2024-11-13 $11.64
2024 Q2 UNCHANGED 2,497,922 — 0% 2.41% $2.0M 2024-08-14 $15.00
2024 Q1 UNCHANGED 2,497,922 — 0% 2.95% $3.4M 2024-05-14 $26.50
2023 Q4 UNCHANGED 2,497,922 — 0% 2.03% $2.5M 2024-02-14 $20.20
15 older quarters hidden  —  Sign in free or upgrade to Premium to see full history

🏢 Other funds also holding PASG

As of 2025 Q4 — sorted by position size

Lynx1 Capital Management LP 3Y 1.49% Vestal Point Capital, LP 0.12% NANO CAP NEW MILLENNIUM GROWTH FUND L P 0.1% Yiheng Capital Management, L.P. 3Y 7Y 0.08% Eversept Partners, LP 3Y 7Y 0.08% Erste Asset Management GmbH 0.01% RENAISSANCE TECHNOLOGIES LLC 3Y 7Y 0.0% Quadrature Capital Ltd 3Y 7Y 0.0% FIDUCIARY TRUST CO 3Y 7Y 0.0% ACADIAN ASSET MANAGEMENT LLC 3Y 7Y 0.0%

FAQ About New Leaf Venture Partners, L.L.C. and PASG

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

How long has New Leaf Venture Partners, L.L.C. reported owning PASG?

New Leaf Venture Partners, L.L.C. reported PASG across 8 quarterly 13F filings, from 2023 Q4 through 2025 Q3.

What was the largest reported PASG position in New Leaf Venture Partners, L.L.C.'s portfolio?

The largest reported portfolio weight for PASG was 37.74% in 2025 Q2.

What is the latest reported PASG position on this page?

The most recent filing on this page is 2025 Q3, when New Leaf Venture Partners, L.L.C. reported 87,426 shares, equal to 1.63% of portfolio, with an estimated market value of $702K.

What does the chart on this PASG ownership page compare?

The chart compares New Leaf Venture Partners, L.L.C.'s quarterly PASG 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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