AXSM AXSOME THERAPEUTICS INC

Ownership history in PFM Health Sciences, LP  ·  17 quarters on record

AI Ownership Summary

PFM Health Sciences, LP reported AXSOME THERAPEUTICS INC (AXSM) in 17 quarterly 13F filings from 2023 Q3 through 2025 Q4. Peak portfolio weight reached 4.95% in 2025 Q3. The latest visible filing shows AXSM at 4.58% 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 AXSM ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was PFM Health Sciences, LP's position in AXSOME 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 Q4

AXSM was reported at 4.58% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
4.95% in 2025 Q3

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 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.

How PFM Health Sciences, LP held AXSM — position size vs. price
% of Fund (quarterly)    AXSM price (quarter-end, indexed to 100)
📋 Quarterly Holdings History 10 quarters  
Quarter Action Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2025 Q4 REDUCED 251,562 -278,770 -52.6% 4.58% $45.9M 2026-02-14 (Est.) $181.21
2025 Q3 ADDED 530,332 +47,227 +9.8% 4.95% $64.4M 2025-11-14 $139.69
2025 Q2 REDUCED 483,105 -73,440 -13.2% 4.29% $50.4M 2025-08-14 $108.75
2025 Q1 ADDED 556,545 +89,118 +19.1% 4.71% $64.9M 2025-05-15 $107.22
2024 Q4 UNCHANGED 467,427 0% 2.45% $39.5M 2025-02-14 $131.15
2024 Q3 UNCHANGED 467,427 0% 2.38% $42.0M 2024-11-14 $97.37
2024 Q2 UNCHANGED 467,427 0% 1.86% $37.6M 2024-08-14 $84.83
2024 Q1 UNCHANGED 467,427 0% 1.75% $37.3M 2024-05-14 $77.34
2023 Q4 REDUCED 467,427 -55,783 -10.7% 2.23% $37.2M 2024-02-14 $93.29
2023 Q3 ADDED 523,210 +323,210 +161.6% 1.72% $36.6M 2023-11-14 $62.66
7 older quarters hidden  —  Sign in free or upgrade to Premium to see full history

FAQ About PFM Health Sciences, LP and AXSM

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

How long has PFM Health Sciences, LP reported owning AXSM?

PFM Health Sciences, LP reported AXSM across 10 quarterly 13F filings, from 2023 Q3 through 2025 Q4.

What was the largest reported AXSM position in PFM Health Sciences, LP's portfolio?

The largest reported portfolio weight for AXSM was 4.95% in 2025 Q3.

What is the latest reported AXSM position on this page?

The most recent filing on this page is 2025 Q4, when PFM Health Sciences, LP reported 251,562 shares, equal to 4.58% of portfolio, with an estimated market value of $45.9M.

What does the chart on this AXSM ownership page compare?

The chart compares PFM Health Sciences, LP's quarterly AXSM 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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