JOHNSON & JOHNSON ACET — ADICET BIO, INC.

Ownership history in JOHNSON & JOHNSON  ·  18 quarters on record

AI Ownership Summary

JOHNSON & JOHNSON reported ADICET BIO, INC. (ACET) in 18 quarterly 13F filings from 2023 Q4 through 2025 Q4. Peak portfolio weight reached 0.12% in 2024 Q3. The latest visible filing shows ACET at 0.03% 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 ACET ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was JOHNSON & JOHNSON's position in ADICET 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 Q4

ACET was reported at 0.03% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
0.12% 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.

ACET stock page JOHNSON & JOHNSON fund profile JOHNSON & JOHNSON full holdings
How JOHNSON & JOHNSON held ACET — position size vs. price
% of Fund (quarterly)    ACET price (quarter-end, indexed to 100)    SPY (indexed to 100)    QQQ (indexed to 100)
📋 Quarterly Holdings History 9 quarters  ▾
Quarter Action Sold % After 3M Timing Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2025 Q4 REDUCED 93.8% -19.1% ✅ 22,779 -341,693 -93.8% 0.03% $192K 2026-02-14 (Est.) $6.91
2025 Q3 UNCHANGED — — — 364,472 — 0% 0.06% $295K 2025-11-13 $10.61
2025 Q2 UNCHANGED — — — 364,472 — 0% 0.07% $228K 2025-07-22 $12.03
2025 Q1 UNCHANGED — — — 364,472 — 0% 0.08% $275K 2025-05-07 $7.84
2024 Q4 UNCHANGED — — — 364,472 — 0% 0.09% $351K 2025-02-13 $14.40
2024 Q3 UNCHANGED — — — 364,472 — 0% 0.12% $525K 2024-11-13 $18.24
2024 Q2 UNCHANGED — — — 364,472 — 0% 0.11% $441K 2024-08-09 $21.44
2024 Q1 REDUCED 47.1% -51.1% ✅ 364,472 -324,123 -47.1% 0.02% $857K 2024-05-10 $23.52
2023 Q4 REDUCED 5.5% +27.0% ❌ 688,595 -40,349 -5.5% 0.03% $1.3M 2024-02-14 $46.40
9 older quarters hidden  —  Sign in free or upgrade to Premium to see full history

🏢 Other funds also holding ACET

As of 2026 Q1 — sorted by position size

REGENERON PHARMACEUTICALS, INC. 0.86% Carlyle Group Inc. 3Y 7Y 0.01% FNY Investment Advisers, LLC 3Y 7Y 0.01% Vontobel Holding Ltd. 3Y 0.0% Avion Wealth 3Y 0.0% VANGUARD FIDUCIARY TRUST CO 0.0% VANGUARD CAPITAL MANAGEMENT LLC 0.0% UBS Group AG 3Y 7Y 0.0% DIMENSIONAL FUND ADVISORS LP 3Y 7Y 0.0% Caitong International Asset Management Co., Ltd 0.0%

FAQ About JOHNSON & JOHNSON and ACET

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

How long has JOHNSON & JOHNSON reported owning ACET?

JOHNSON & JOHNSON reported ACET across 9 quarterly 13F filings, from 2023 Q4 through 2025 Q4.

What was the largest reported ACET position in JOHNSON & JOHNSON's portfolio?

The largest reported portfolio weight for ACET was 0.12% in 2024 Q3.

What is the latest reported ACET position on this page?

The most recent filing on this page is 2025 Q4, when JOHNSON & JOHNSON reported 22,779 shares, equal to 0.03% of portfolio, with an estimated market value of $192K.

What does the chart on this ACET ownership page compare?

The chart compares JOHNSON & JOHNSON's quarterly ACET 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 JOHNSON & JOHNSON time their ACET position?

Based on 13F filing dates vs. subsequent ACET price moves, JOHNSON & JOHNSON correctly timed 3 out of 3 reported position changes (100%). The annualised alpha on ACET relative to SPY over the holding period was -56.6%.

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