Soleus Capital Management, L.P. TECX TECTONIC THERAPEUTIC INC

Ownership history in Soleus Capital Management, L.P.  ·  5 quarters on record

AI Ownership Summary

Soleus Capital Management, L.P. reported TECTONIC THERAPEUTIC INC (TECX) in 5 quarterly 13F filings from 2024 Q4 through 2026 Q1. Peak portfolio weight reached 0.15% in 2026 Q1. The latest visible filing shows TECX at 0.15% 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.

What this TECX ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was Soleus Capital Management, L.P.'s position in TECTONIC THERAPEUTIC 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
2026 Q1

TECX was reported at 0.15% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
0.15% in 2026 Q1

Peak weight helps separate a token disclosure from a real conviction holding the fund genuinely cared about.

Time in book
Holding Window
2024 Q4 to 2026 Q1

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 Soleus Capital Management, L.P. held TECX — position size vs. price
% of Fund (quarterly)    TECX price (quarter-end, indexed to 100)    SPY (indexed to 100)    QQQ (indexed to 100)
📋 Quarterly Holdings History 5 quarters  
Quarter Action Sold % After 3M Timing Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2026 Q1 ADDED 121,684 +96,684 +386.7% 0.15% $3.8M 2026-05-14 $29.80
2025 Q3 REDUCED 67.5% +32.4% 25,000 -51,841 -67.5% 0.02% $392K 2025-11-14 $18.54
2025 Q2 UNCHANGED 76,841 0% 0.10% $1.5M 2025-08-15 $23.51
2025 Q1 ADDED 76,841 +45,000 +141.3% 0.10% $1.4M 2025-05-15 $20.69
2024 Q4 INITIATED 31,841 0.09% $1.5M 2025-02-14 $35.57

FAQ About Soleus Capital Management, L.P. and TECX

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

How long has Soleus Capital Management, L.P. reported owning TECX?

Soleus Capital Management, L.P. reported TECX across 5 quarterly 13F filings, from 2024 Q4 through 2026 Q1.

What was the largest reported TECX position in Soleus Capital Management, L.P.'s portfolio?

The largest reported portfolio weight for TECX was 0.15% in 2026 Q1.

What is the latest reported TECX position on this page?

The most recent filing on this page is 2026 Q1, when Soleus Capital Management, L.P. reported 121,684 shares, equal to 0.15% of portfolio, with an estimated market value of $3.8M.

What does the chart on this TECX ownership page compare?

The chart compares Soleus Capital Management, L.P.'s quarterly TECX 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 Soleus Capital Management, L.P. time their TECX position?

Based on 13F filing dates vs. subsequent TECX price moves, Soleus Capital Management, L.P. correctly timed 1 out of 3 reported position changes (33%). The annualised alpha on TECX relative to SPY over the holding period was -10.6%.

← Back to Soleus Capital Management, L.P. Holdings