Simplify Asset Management Inc. INSM — INSMED INC

Ownership history in Simplify Asset Management Inc.  ·  8 quarters on record

AI Ownership Summary

Simplify Asset Management Inc. reported INSMED INC (INSM) in 8 quarterly 13F filings from 2024 Q2 through 2026 Q2. Peak portfolio weight reached 0.1% in 2025 Q4. The latest visible filing shows INSM at 0.02% 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 INSM ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was Simplify Asset Management Inc.'s position in INSMED 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 Q2

INSM was reported at 0.02% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
0.1% in 2025 Q4

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 Q2

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.

INSM stock page Simplify Asset Management Inc. fund profile Simplify Asset Management Inc. full holdings
How Simplify Asset Management Inc. held INSM — position size vs. price
% of Fund (quarterly)    INSM price (quarter-end, indexed to 100)    SPY (indexed to 100)    QQQ (indexed to 100)
📋 Quarterly Holdings History 8 quarters  ▾
Quarter Action Sold % After 3M Timing Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2026 Q2 ADDED — — — 14,190 +3,407 +31.6% 0.02% $1.5M 2026-07-16 $107.46
2026 Q1 REDUCED 70.8% -36.0% ✅ 10,783 -26,107 -70.8% 0.03% $1.8M 2026-04-27 $135.98
2025 Q4 ADDED — — — 36,890 +17,226 +87.6% 0.10% $6.4M 2026-02-09 $149.54
2025 Q3 ADDED — — — 19,664 +4,128 +26.6% 0.05% $2.8M 2025-10-20 $167.91
2025 Q2 REDUCED 24.7% +40.8% ❌ 15,536 -5,094 -24.7% 0.08% $1.6M 2025-08-07 $109.30
2025 Q1 ADDED — — — 20,630 +110 +0.5% 0.06% $1.6M 2025-05-13 $65.71
2024 Q4 REDUCED — — — 20,520 -268 -1.3% 0.07% $1.4M 2025-02-11 $79.89
2024 Q2 INITIATED — — — 20,788 — — 0.09% $1.4M 2024-08-12 $74.09

🏢 Other funds also holding INSM

As of 2026 Q2 — sorted by position size

Cannon Advisors, Inc. 0.4% Y-Intercept (Hong Kong) Ltd 3Y 0.22% MOODY ALDRICH PARTNERS LLC 3Y 7Y 0.06% Handelsbanken Fonder AB 3Y 7Y 0.06% FNY Investment Advisers, LLC 3Y 7Y 0.05% Assenagon Asset Management S.A. 3Y 7Y 0.03% PensionDanmark Pensionsforsikringsaktieselskab 0.03% B. Riley Wealth Advisors, Inc. 3Y 7Y 0.02% E. Ohman J:or Asset Management AB 0.02% FULTON BANK, N.A. 3Y 7Y 0.02%

FAQ About Simplify Asset Management Inc. and INSM

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

How long has Simplify Asset Management Inc. reported owning INSM?

Simplify Asset Management Inc. reported INSM across 8 quarterly 13F filings, from 2024 Q2 through 2026 Q2.

What was the largest reported INSM position in Simplify Asset Management Inc.'s portfolio?

The largest reported portfolio weight for INSM was 0.10% in 2025 Q4.

What is the latest reported INSM position on this page?

The most recent filing on this page is 2026 Q2, when Simplify Asset Management Inc. reported 14,190 shares, equal to 0.02% of portfolio, with an estimated market value of $1.5M.

What does the chart on this INSM ownership page compare?

The chart compares Simplify Asset Management Inc.'s quarterly INSM 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 Simplify Asset Management Inc. time their INSM position?

Based on 13F filing dates vs. subsequent INSM price moves, Simplify Asset Management Inc. correctly timed 4 out of 7 reported position changes (57%). The annualised alpha on INSM relative to SPY over the holding period was +0.3%.

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