Tower Research Capital LLC (TRC) ASMB — ASSEMBLY BIOSCIENCES INC

Ownership history in Tower Research Capital LLC (TRC)  ·  9 quarters on record

AI Ownership Summary

Tower Research Capital LLC (TRC) reported ASSEMBLY BIOSCIENCES INC (ASMB) in 9 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 Tower Research Capital LLC (TRC)'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 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 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.

ASMB stock page Tower Research Capital LLC (TRC) fund profile Tower Research Capital LLC (TRC) full holdings
How Tower Research Capital LLC (TRC) 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 9 quarters  ▾
Quarter Action Sold % After 3M Timing Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2026 Q2 REDUCED — — — 530 -14 -2.6% 0.00% $15K 2026-08-11 $27.27
2026 Q1 REDUCED 10.4% -2.9% ✅ 544 -63 -10.4% 0.00% $15K 2026-05-15 $28.65
2025 Q4 ADDED — — — 607 +357 +142.8% 0.00% $21K 2026-02-17 $27.82
2025 Q2 REDUCED 30.7% +35.9% ❌ 250 -111 -30.7% 0.00% $5K 2025-08-15 $25.44
2025 Q1 ADDED — — — 361 +12 +3.4% 0.00% $3K 2025-05-15 $12.50
2024 Q4 REDUCED 40.6% -39.4% ✅ 349 -239 -40.6% 0.00% $6K 2025-02-13 $12.21
2024 Q3 REDUCED 24.6% +5.9% ❌ 588 -192 -24.6% 0.00% $9K 2024-11-14 $17.05
2024 Q2 REDUCED 9.0% +10.3% ❌ 780 -77 -9.0% 0.00% $11K 2024-08-13 $14.91
2024 Q1 INITIATED — — — 857 — — 0.00% $11K 2024-05-15 $14.61

🏢 Other funds also holding ASMB

As of 2026 Q2 — sorted by position size

GILEAD SCIENCES, INC. 8.3% Virtus Investment Advisers, LLC 3Y 7Y 0.09% GSA CAPITAL PARTNERS LLP 3Y 7Y 0.07% Persistent Asset Partners Ltd 0.06% Aberdeen Group plc 3Y 7Y 0.01% Police & Firemen's Retirement System of New Jersey 0.0% BlackRock, Inc. 0.0% Caitong International Asset Management Co., Ltd 0.0% NEW YORK STATE COMMON RETIREMENT FUND 3Y 7Y 0.0% STATE STREET CORP 3Y 7Y 0.0%

FAQ About Tower Research Capital LLC (TRC) and ASMB

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

How long has Tower Research Capital LLC (TRC) reported owning ASMB?

Tower Research Capital LLC (TRC) reported ASMB across 9 quarterly 13F filings, from 2024 Q1 through 2026 Q2.

What was the largest reported ASMB position in Tower Research Capital LLC (TRC)'s portfolio?

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

What is the latest reported ASMB position on this page?

The most recent filing on this page is 2026 Q2, when Tower Research Capital LLC (TRC) reported 530 shares, equal to 0.00% of portfolio, with an estimated market value of $15K.

What does the chart on this ASMB ownership page compare?

The chart compares Tower Research Capital LLC (TRC)'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 Tower Research Capital LLC (TRC) time their ASMB position?

Based on 13F filing dates vs. subsequent ASMB price moves, Tower Research Capital LLC (TRC) correctly timed 5 out of 8 reported position changes (62%). The annualised alpha on ASMB relative to SPY over the holding period was +10.3%.

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