North Star Investment Management Corp. ALT — ALTIMMUNE INC

Ownership history in North Star Investment Management Corp.  ·  10 quarters on record

AI Ownership Summary

North Star Investment Management Corp. reported ALTIMMUNE INC (ALT) in 10 quarterly 13F filings from 2024 Q1 through 2026 Q2. Peak portfolio weight reached 0.02% in 2024 Q4. 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.

What this ALT ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was North Star Investment Management Corp.'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 Q2

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

High-water mark
Peak Conviction
0.02% in 2024 Q4

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 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.

ALT stock page North Star Investment Management Corp. fund profile North Star Investment Management Corp. full holdings
How North Star Investment Management Corp. 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 10 quarters  ▾
Quarter Action Sold % After 3M Timing Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2026 Q2 ADDED — — — 22,000 +5,000 +29.4% 0.00% $67K 2026-07-28 $nan
2026 Q1 ADDED — — — 17,000 +9,000 +112.5% 0.00% $52K 2026-04-23 $2.89
2025 Q4 UNCHANGED — — — 8,000 — 0% 0.00% $29K 2026-01-30 $5.60
2025 Q3 REDUCED 52.9% -2.4% ✅ 8,000 -9,000 -52.9% 0.00% $30K 2025-10-22 $3.90
2025 Q2 REDUCED 43.3% -2.1% ✅ 17,000 -13,000 -43.3% 0.00% $66K 2025-07-15 $4.18
2025 Q1 UNCHANGED — — — 30,000 — 0% 0.01% $150K 2025-04-17 $4.55
2024 Q4 ADDED — — — 30,000 +15,900 +112.8% 0.02% $216K 2025-02-10 $6.61
2024 Q3 ADDED — — — 14,100 +1,000 +7.6% 0.01% $87K 2024-10-30 $6.76
2024 Q2 ADDED — — — 13,100 +10,100 +336.7% 0.01% $87K 2024-08-06 $5.91
2024 Q1 INITIATED — — — 3,000 — — 0.00% $31K 2024-04-30 $6.55

🏢 Other funds also holding ALT

As of 2026 Q2 — sorted by position size

Beirne Wealth Consulting Services, LLC 3Y 7Y 0.26% BROWN WEALTH MANAGEMENT, LLC 0.16% PVG ASSET MANAGEMENT CORP 3Y 7Y 0.12% Hennion & Walsh Asset Management, Inc. 3Y 0.04% Summit Financial Wealth Advisors, LLC 3Y 7Y 0.04% KINGSWOOD WEALTH ADVISORS, LLC 0.01% Sciencast Management LP 3Y 7Y 0.01% Leonteq Securities AG 0.01% Abel Hall, LLC 0.01% China Universal Asset Management Co., Ltd. 3Y 0.01%

FAQ About North Star Investment Management Corp. and ALT

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

How long has North Star Investment Management Corp. reported owning ALT?

North Star Investment Management Corp. reported ALT across 10 quarterly 13F filings, from 2024 Q1 through 2026 Q2.

What was the largest reported ALT position in North Star Investment Management Corp.'s portfolio?

The largest reported portfolio weight for ALT was 0.02% in 2024 Q4.

What is the latest reported ALT position on this page?

The most recent filing on this page is 2026 Q2, when North Star Investment Management Corp. reported 22,000 shares, equal to 0.00% of portfolio, with an estimated market value of $67K.

What does the chart on this ALT ownership page compare?

The chart compares North Star Investment Management Corp.'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 North Star Investment Management Corp. time their ALT position?

Based on 13F filing dates vs. subsequent ALT price moves, North Star Investment Management Corp. correctly timed 2 out of 7 reported position changes (29%).

← Back to North Star Investment Management Corp. Holdings