Octagon Capital Advisors LP CATX — PERSPECTIVE THERAPEUTICS INC

Ownership history in Octagon Capital Advisors LP  ·  5 quarters on record

AI Ownership Summary

Octagon Capital Advisors LP reported PERSPECTIVE THERAPEUTICS INC (CATX) in 5 quarterly 13F filings from 2024 Q2 through 2026 Q1. Peak portfolio weight reached 3.42% in 2025 Q1. The latest visible filing shows CATX at 0.37% 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 CATX ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was Octagon Capital Advisors LP's position in PERSPECTIVE 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
2026 Q1

CATX was reported at 0.37% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
3.42% in 2025 Q1

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

Time in book
Holding Window
2024 Q2 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.

CATX stock page Octagon Capital Advisors LP fund profile Octagon Capital Advisors LP full holdings
How Octagon Capital Advisors LP held CATX — position size vs. price
% of Fund (quarterly)    CATX 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 REDUCED 73.8% -14.9% ✅ 791,555 -2,226,445 -73.8% 0.37% $3.3M 2026-05-15 $3.85
2025 Q1 ADDED — — — 3,018,000 +713,248 +30.9% 3.42% $17.7M 2025-05-15 $2.41
2024 Q4 ADDED — — — 2,304,752 +882,528 +62.1% 1.21% $7.4M 2025-02-14 $3.02
2024 Q3 REDUCED 10.0% -77.1% ✅ 1,422,224 -158,025 -10.0% 2.95% $19.0M 2024-11-14 $8.92
2024 Q2 INITIATED — — — 1,580,249 — — 2.48% $15.8M 2024-08-14 $13.34

🏢 Other funds also holding CATX

As of 2026 Q2 — sorted by position size

Avidity Partners Management LP 3Y 3.44% Yu Fan 3Y 3.33% Nicholson Wealth Management Group, LLC 3.25% Spruce Street Capital LP 2.47% Ally Bridge Group (NY) LLC 3Y 2.24% Commodore Capital LP 3Y 1.29% Affinity Asset Advisors, LLC 3Y 0.65% TCG Crossover Management, LLC 3Y 0.65% Nantahala Capital Management, LLC 3Y 7Y 0.26% ADAR1 Capital Management, LLC 0.19%

FAQ About Octagon Capital Advisors LP and CATX

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

How long has Octagon Capital Advisors LP reported owning CATX?

Octagon Capital Advisors LP reported CATX across 5 quarterly 13F filings, from 2024 Q2 through 2026 Q1.

What was the largest reported CATX position in Octagon Capital Advisors LP's portfolio?

The largest reported portfolio weight for CATX was 3.42% in 2025 Q1.

What is the latest reported CATX position on this page?

The most recent filing on this page is 2026 Q1, when Octagon Capital Advisors LP reported 791,555 shares, equal to 0.37% of portfolio, with an estimated market value of $3.3M.

What does the chart on this CATX ownership page compare?

The chart compares Octagon Capital Advisors LP's quarterly CATX 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 Octagon Capital Advisors LP time their CATX position?

Based on 13F filing dates vs. subsequent CATX price moves, Octagon Capital Advisors LP correctly timed 2 out of 4 reported position changes (50%). The annualised alpha on CATX relative to SPY over the holding period was -91.0%.

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