FARALLON CAPITAL MANAGEMENT, L.L.C. ALT ALTIMMUNE INC

Ownership history in FARALLON CAPITAL MANAGEMENT, L.L.C.  ·  10 quarters on record

AI Ownership Summary

FARALLON CAPITAL MANAGEMENT, L.L.C. reported ALTIMMUNE INC (ALT) in 10 quarterly 13F filings from 2024 Q1 through 2026 Q1. Peak portfolio weight reached 0.02% in 2024 Q1. The latest visible filing shows ALT 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 ALT ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was FARALLON CAPITAL MANAGEMENT, L.L.C.'s position in ALTIMMUNE 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

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

High-water mark
Peak Conviction
0.02% in 2024 Q1

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

Time in book
Holding Window
2024 Q1 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 FARALLON CAPITAL MANAGEMENT, L.L.C. held ALT — position size vs. price
% of Fund (quarterly)    ALT price (quarter-end, indexed to 100)    SPY (indexed to 100)    QQQ (indexed to 100)
📋 Quarterly Holdings History 9 quarters  
Quarter Action Sold % After 3M Timing Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2026 Q1 UNCHANGED 27,600 0% 0.00% $85K 2026-05-15 $2.85
2025 Q4 UNCHANGED 27,600 0% 0.00% $100K 2026-02-17 $4.50
2025 Q3 UNCHANGED 27,600 0% 0.00% $104K 2025-11-14 $4.17
2025 Q2 UNCHANGED 27,600 0% 0.00% $107K 2025-08-14 $3.68
2025 Q1 UNCHANGED 27,600 0% 0.00% $138K 2025-05-15 $5.78
2024 Q4 UNCHANGED 27,600 0% 0.00% $199K 2025-02-14 $6.37
2024 Q3 UNCHANGED 27,600 0% 0.00% $169K 2024-11-14 $8.45
2024 Q2 REDUCED 94.1% -7.7% 27,600 -442,400 -94.1% 0.00% $184K 2024-08-14 $6.18
2024 Q1 ADDED 470,000 +436,000 +1282.4% 0.02% $4.8M 2024-05-15 $8.87
1 older quarter hidden  —  Sign in free or upgrade to Premium to see full history

FAQ About FARALLON CAPITAL MANAGEMENT, L.L.C. and ALT

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

How long has FARALLON CAPITAL MANAGEMENT, L.L.C. reported owning ALT?

FARALLON CAPITAL MANAGEMENT, L.L.C. reported ALT across 9 quarterly 13F filings, from 2024 Q1 through 2026 Q1.

What was the largest reported ALT position in FARALLON CAPITAL MANAGEMENT, L.L.C.'s portfolio?

The largest reported portfolio weight for ALT was 0.02% in 2024 Q1.

What is the latest reported ALT position on this page?

The most recent filing on this page is 2026 Q1, when FARALLON CAPITAL MANAGEMENT, L.L.C. reported 27,600 shares, equal to 0.00% of portfolio, with an estimated market value of $85K.

What does the chart on this ALT ownership page compare?

The chart compares FARALLON CAPITAL MANAGEMENT, L.L.C.'s quarterly ALT 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 FARALLON CAPITAL MANAGEMENT, L.L.C. time their ALT position?

Based on 13F filing dates vs. subsequent ALT price moves, FARALLON CAPITAL MANAGEMENT, L.L.C. correctly timed 0 out of 3 reported position changes (0%). The annualised alpha on ALT relative to SPY over the holding period was -50.3%.

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