Spyglass Capital Management LLC ASND — ASCENDIS PHARMA A S

Ownership history in Spyglass Capital Management LLC  ·  26 quarters on record

AI Ownership Summary

Spyglass Capital Management LLC reported ASCENDIS PHARMA A S (ASND) in 26 quarterly 13F filings from 2023 Q4 through 2025 Q4. Peak portfolio weight reached 6.62% in 2024 Q2. The latest visible filing shows ASND at 4.43% 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 ASND ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was Spyglass Capital Management LLC's position in ASCENDIS PHARMA A S, 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

ASND was reported at 4.43% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
6.62% in 2024 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 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.

ASND stock page Spyglass Capital Management LLC fund profile Spyglass Capital Management LLC full holdings
How Spyglass Capital Management LLC held ASND — position size vs. price
% of Fund (quarterly)    ASND price (quarter-end, indexed to 100)    SPY (indexed to 100)    QQQ (indexed to 100)
📋 Quarterly Holdings History 6 quarters  ▾
Quarter Action Sold % After 3M Timing Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2025 Q4 ADDED — — — 415,549 +26,902 +6.9% 4.43% $88.6M 2026-02-17 $223.41
2025 Q3 REDUCED 40.5% +6.1% ❌ 388,647 -264,194 -40.5% 4.12% $77.3M 2025-11-14 $204.40
2024 Q3 REDUCED — — — 652,841 -10,047 -1.5% 6.40% $97.5M 2024-11-14 $124.28
2024 Q2 ADDED — — — 662,888 +48,781 +7.9% 6.62% $90.4M 2024-08-14 $139.65
2024 Q1 ADDED — — — 614,107 +74,159 +13.7% 6.18% $92.8M 2024-05-15 $124.04
2023 Q4 REDUCED 12.1% +20.7% ❌ 539,948 -74,670 -12.1% 4.89% $68.0M 2024-02-14 $146.61
20 older quarters hidden  —  Sign in free or upgrade to Premium to see full history

🏢 Other funds also holding ASND

As of 2026 Q1 — sorted by position size

RA CAPITAL MANAGEMENT, L.P. 3Y 7Y 24.92% Resolute Capital Asset Partners LLC 3Y 11.87% Avoro Capital Advisors LLC 3Y 7Y 11.39% Tri Locum Partners LP 3Y 8.2% PERCEPTIVE ADVISORS LLC 3Y 7Y 6.85% Catalio Capital Management, LP 6.17% WESTFIELD CAPITAL MANAGEMENT CO LP 3Y 7Y 4.62% Eagle Health Investments LP 3Y 3.47% PFM Health Sciences, LP 3Y 7Y 3.17% SILVERARC CAPITAL MANAGEMENT, LLC 3Y 2.91%

FAQ About Spyglass Capital Management LLC and ASND

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

How long has Spyglass Capital Management LLC reported owning ASND?

Spyglass Capital Management LLC reported ASND across 6 quarterly 13F filings, from 2023 Q4 through 2025 Q4.

What was the largest reported ASND position in Spyglass Capital Management LLC's portfolio?

The largest reported portfolio weight for ASND was 6.62% in 2024 Q2.

What is the latest reported ASND position on this page?

The most recent filing on this page is 2025 Q4, when Spyglass Capital Management LLC reported 415,549 shares, equal to 4.43% of portfolio, with an estimated market value of $88.6M.

What does the chart on this ASND ownership page compare?

The chart compares Spyglass Capital Management LLC's quarterly ASND 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 Spyglass Capital Management LLC time their ASND position?

Based on 13F filing dates vs. subsequent ASND price moves, Spyglass Capital Management LLC correctly timed 10 out of 25 reported position changes (40%). The annualised alpha on ASND relative to SPY over the holding period was -3.7%.

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