STATE STREET CORP ASMB ASSEMBLY BIOSCIENCES INC

Ownership history in STATE STREET CORP  ·  10 quarters on record

AI Ownership Summary

STATE STREET CORP reported ASSEMBLY BIOSCIENCES INC (ASMB) in 10 quarterly 13F filings from 2024 Q1 through 2026 Q2. The latest visible filing shows ASMB 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 ASMB ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was STATE STREET CORP's position in ASSEMBLY BIOSCIENCES 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

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

High-water mark
Peak Conviction
0.0% in 2026 Q2

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.

How STATE STREET CORP held ASMB — position size vs. price
% of Fund (quarterly)    ASMB 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 171,931 +115,242 +203.3% 0.00% $4.7M 2026-08-07 $26.68
2026 Q1 ADDED 56,689 +3,700 +7.0% 0.00% $1.6M 2026-05-15 $28.65
2025 Q4 ADDED 52,989 +8,175 +18.2% 0.00% $1.8M 2026-02-13 $26.66
2025 Q3 ADDED 44,814 +30,805 +219.9% 0.00% $1.1M 2025-11-14 $36.71
2025 Q2 UNCHANGED 14,009 0% 0.00% $254K 2025-08-14 $24.96
2025 Q1 UNCHANGED 14,009 0% 0.00% $134K 2025-05-15 $12.50
2024 Q4 ADDED 14,009 +1,200 +9.4% 0.00% $221K 2025-02-14 $13.02
2024 Q3 UNCHANGED 12,809 0% 0.00% $194K 2024-11-14 $17.05
2024 Q2 ADDED 12,809 +700 +5.8% 0.00% $176K 2024-08-14 $14.01
2024 Q1 INITIATED 12,109 0.00% $161K 2024-05-15 $14.61

FAQ About STATE STREET CORP and ASMB

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

How long has STATE STREET CORP reported owning ASMB?

STATE STREET CORP reported ASMB across 10 quarterly 13F filings, from 2024 Q1 through 2026 Q2.

What was the largest reported ASMB position in STATE STREET CORP's portfolio?

The largest reported portfolio weight for ASMB was 0.00% in 2026 Q2.

What is the latest reported ASMB position on this page?

The most recent filing on this page is 2026 Q2, when STATE STREET CORP reported 171,931 shares, equal to 0.00% of portfolio, with an estimated market value of $4.7M.

What does the chart on this ASMB ownership page compare?

The chart compares STATE STREET CORP's quarterly ASMB 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 STATE STREET CORP time their ASMB position?

Based on 13F filing dates vs. subsequent ASMB price moves, STATE STREET CORP correctly timed 2 out of 6 reported position changes (33%). The annualised alpha on ASMB relative to SPY over the holding period was +9.6%.

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