FMR LLC GOSS — GOSSAMER BIO INC

Ownership history in FMR LLC  ·  30 quarters on record

AI Ownership Summary

FMR LLC reported GOSSAMER BIO INC (GOSS) in 30 quarterly 13F filings from 2024 Q2 through 2026 Q3. The latest visible filing shows GOSS at 0.00% 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 GOSS ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was FMR LLC's position in GOSSAMER BIO 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 Q3

GOSS was reported at 0.00% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
0.0% 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 Q3

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 FMR LLC held GOSS — position size vs. price
% of Fund (quarterly)    GOSS price (quarter-end, indexed to 100)    SPY (indexed to 100)    QQQ (indexed to 100)
📋 Quarterly Holdings History 10 quarters  ▾
Quarter Action Sold % After 3M Timing Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2026 Q3 ADDED — — — 290,939 +160,614 +123.2% 0.00% $3.4M 2026-11-10 $11.28
2026 Q2 ADDED — — — 130,325 +107,809 +478.8% 0.00% $21K 2026-08-13 $13.60
2026 Q1 REDUCED 99.5% -50.1% ✅ 22,516 -4,215,074 -99.5% 0.00% $7K 2026-05-15 (Est.) $27.20
2025 Q4 ADDED — — — 4,237,590 +152,244 +3.7% 0.00% $13.1M 2026-02-17 $172.00
2025 Q3 REDUCED 44.2% +22.1% ❌ 4,085,346 -3,229,979 -44.2% 0.00% $10.7M 2025-11-13 $200.80
2025 Q2 REDUCED — — — 7,315,325 -277,655 -3.7% 0.00% $9.0M 2025-08-14 $156.80
2025 Q1 REDUCED — — — 7,592,980 -340,020 -4.3% 0.00% $8.4M 2025-05-12 $88.00
2024 Q4 REDUCED — — — 7,933,000 -2,735 -0.0% 0.00% $7.2M 2025-02-13 $104.80
2024 Q3 ADDED — — — 7,935,735 +5,227 +0.1% 0.00% $7.8M 2024-11-13 $65.28
2024 Q2 REDUCED — — — 7,930,508 -258,639 -3.2% 0.00% $7.1M 2024-08-13 $66.00
20 older quarters hidden  —  Sign in free or upgrade to Premium to see full history

FAQ About FMR LLC and GOSS

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

How long has FMR LLC reported owning GOSS?

FMR LLC reported GOSS across 10 quarterly 13F filings, from 2024 Q2 through 2026 Q3.

What was the largest reported GOSS position in FMR LLC's portfolio?

The largest reported portfolio weight for GOSS was 0.00% in 2025 Q4.

What is the latest reported GOSS position on this page?

The most recent filing on this page is 2026 Q3, when FMR LLC reported 290,939 shares, equal to 0.00% of portfolio, with an estimated market value of $3.4M.

What does the chart on this GOSS ownership page compare?

The chart compares FMR LLC's quarterly GOSS 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 FMR LLC time their GOSS position?

Based on 13F filing dates vs. subsequent GOSS price moves, FMR LLC correctly timed 14 out of 25 reported position changes (56%). The annualised alpha on GOSS relative to SPY over the holding period was -55.4%.

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