HOWL WEREWOLF THERAPEUTICS INC

Ownership history in ACADIAN ASSET MANAGEMENT LLC  ·  12 quarters on record

AI Ownership Summary

ACADIAN ASSET MANAGEMENT LLC reported WEREWOLF THERAPEUTICS INC (HOWL) in 12 quarterly 13F filings from 2023 Q4 through 2025 Q3. The latest visible filing shows HOWL 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 HOWL ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was ACADIAN ASSET MANAGEMENT LLC's position in WEREWOLF THERAPEUTICS 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

HOWL 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 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.

How ACADIAN ASSET MANAGEMENT LLC held HOWL — position size vs. price
% of Fund (quarterly)    HOWL price (quarter-end, indexed to 100)    SPY (indexed to 100)    QQQ (indexed to 100)
📋 Quarterly Holdings History 8 quarters  
Quarter Action Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2025 Q3 REDUCED 34,285 -26,992 -44.0% 0.00% $67K 2025-11-13 $0.93
2025 Q2 REDUCED 61,277 -189,399 -75.6% 0.00% $66K 2025-08-07 $1.18
2025 Q1 ADDED 250,676 +8,412 +3.5% 0.00% $242K 2025-05-21 $1.08
2024 Q4 REDUCED 242,264 -23,095 -8.7% 0.00% $358K 2025-02-11 $1.52
2024 Q3 ADDED 265,359 +53,063 +25.0% 0.00% $561K 2024-11-12 $2.15
2024 Q2 ADDED 212,296 +39,413 +22.8% 0.00% $516K 2024-08-06 $1.98
2024 Q1 ADDED 172,883 +94,212 +119.8% 0.00% $1.1M 2024-05-10 $5.05
2023 Q4 UNCHANGED 78,671 0% 0.00% $303K 2024-02-13 $5.87
4 older quarters hidden  —  Sign in free or upgrade to Premium to see full history

FAQ About ACADIAN ASSET MANAGEMENT LLC and HOWL

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

How long has ACADIAN ASSET MANAGEMENT LLC reported owning HOWL?

ACADIAN ASSET MANAGEMENT LLC reported HOWL across 8 quarterly 13F filings, from 2023 Q4 through 2025 Q3.

What was the largest reported HOWL position in ACADIAN ASSET MANAGEMENT LLC's portfolio?

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

What is the latest reported HOWL position on this page?

The most recent filing on this page is 2025 Q3, when ACADIAN ASSET MANAGEMENT LLC reported 34,285 shares, equal to 0.00% of portfolio, with an estimated market value of $67K.

What does the chart on this HOWL ownership page compare?

The chart compares ACADIAN ASSET MANAGEMENT LLC's quarterly HOWL 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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