Ikarian Capital, LLC SYBX β€” SYNLOGIC INC

Ownership history in Ikarian Capital, LLC  Β·  10 quarters on record

AI Ownership Summary

Ikarian Capital, LLC reported SYNLOGIC INC (SYBX) in 10 quarterly 13F filings from 2023 Q4 through 2025 Q4. Peak portfolio weight reached 0.01% in 2023 Q4. The latest visible filing shows SYBX 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 SYBX ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was Ikarian Capital, LLC's position in SYNLOGIC 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
2025 Q4

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

High-water mark
Peak Conviction
0.01% in 2023 Q4

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.

How Ikarian Capital, LLC held SYBX β€” position size vs. price
% of Fund (quarterly)    SYBX price (quarter-end, indexed to 100)    SPY (indexed to 100)    QQQ (indexed to 100)
πŸ“‹ Quarterly Holdings History 9 quarters  β–Ύ
Quarter Action Sold % After 3M Timing Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2025 Q4 REDUCED β€” β€” β€” 19,966 -456 -2.2% 0.00% $22K 2026-02-14 (Est.) $0.62
2025 Q3 UNCHANGED β€” β€” β€” 20,422 β€” 0% 0.00% $35K 2025-11-14 $1.68
2025 Q2 UNCHANGED β€” β€” β€” 20,422 β€” 0% 0.00% $26K 2025-08-14 $1.45
2025 Q1 UNCHANGED β€” β€” β€” 20,422 β€” 0% 0.00% $25K 2025-05-15 $1.13
2024 Q4 REDUCED β€” β€” β€” 20,422 -26 -0.1% 0.00% $28K 2025-02-14 $1.40
2024 Q3 UNCHANGED β€” β€” β€” 20,448 β€” 0% 0.00% $30K 2024-11-14 $1.39
2024 Q2 UNCHANGED β€” β€” β€” 20,448 β€” 0% 0.01% $31K 2024-08-14 $1.41
2024 Q1 UNCHANGED β€” β€” β€” 20,448 β€” 0% 0.00% $37K 2024-05-15 $1.72
2023 Q4 UNCHANGED β€” β€” β€” 20,448 β€” 0% 0.01% $79K 2024-02-14 $1.78
1 older quarter hidden  β€”  Sign in free or upgrade to Premium to see full history

🏒 Other funds also holding SYBX

As of 2026 Q1 β€” sorted by position size

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FAQ About Ikarian Capital, LLC and SYBX

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

How long has Ikarian Capital, LLC reported owning SYBX?

Ikarian Capital, LLC reported SYBX across 9 quarterly 13F filings, from 2023 Q4 through 2025 Q4.

What was the largest reported SYBX position in Ikarian Capital, LLC's portfolio?

The largest reported portfolio weight for SYBX was 0.01% in 2023 Q4.

What is the latest reported SYBX position on this page?

The most recent filing on this page is 2025 Q4, when Ikarian Capital, LLC reported 19,966 shares, equal to 0.00% of portfolio, with an estimated market value of $22K.

What does the chart on this SYBX ownership page compare?

The chart compares Ikarian Capital, LLC's quarterly SYBX 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.

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