Susquehanna Portfolio Strategies, LLC SLDB — SOLID BIOSCIENCES INC

Ownership history in Susquehanna Portfolio Strategies, LLC  ·  6 quarters on record

AI Ownership Summary

Susquehanna Portfolio Strategies, LLC reported SOLID BIOSCIENCES INC (SLDB) in 6 quarterly 13F filings from 2025 Q1 through 2026 Q2. Peak portfolio weight reached 0.03% in 2025 Q1. The latest visible filing shows SLDB at 0.02% 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 SLDB ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was Susquehanna Portfolio Strategies, LLC's position in SOLID 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

SLDB was reported at 0.02% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
0.03% in 2025 Q1

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

Time in book
Holding Window
2025 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.

SLDB stock page Susquehanna Portfolio Strategies, LLC fund profile Susquehanna Portfolio Strategies, LLC full holdings
How Susquehanna Portfolio Strategies, LLC held SLDB — position size vs. price
% of Fund (quarterly)    SLDB price (quarter-end, indexed to 100)    SPY (indexed to 100)    QQQ (indexed to 100)
📋 Quarterly Holdings History 6 quarters  ▾
Quarter Action Sold % After 3M Timing Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2026 Q2 REDUCED 45.7% -27.1% ✅ 107,279 -90,292 -45.7% 0.02% $1.1M 2026-08-14 $9.20
2026 Q1 REDUCED — — — 197,571 -1,865 -0.9% 0.02% $1.4M 2026-05-15 $6.92
2025 Q4 UNCHANGED — — — 199,436 — 0% 0.02% $1.1M 2026-02-17 $5.50
2025 Q3 UNCHANGED — — — 199,436 — 0% 0.02% $1.2M 2025-11-14 $4.24
2025 Q2 ADDED — — — 199,436 +183,140 +1123.8% 0.02% $971K 2025-08-14 $6.17
2025 Q1 INITIATED — — — 16,296 — — 0.03% $60K 2025-05-14 $2.55

🏢 Other funds also holding SLDB

As of 2026 Q3 — sorted by position size

Versant Capital Management, Inc 3Y 7Y 0.0% EASTERN BANK 3Y 7Y 0.0%

FAQ About Susquehanna Portfolio Strategies, LLC and SLDB

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

How long has Susquehanna Portfolio Strategies, LLC reported owning SLDB?

Susquehanna Portfolio Strategies, LLC reported SLDB across 6 quarterly 13F filings, from 2025 Q1 through 2026 Q2.

What was the largest reported SLDB position in Susquehanna Portfolio Strategies, LLC's portfolio?

The largest reported portfolio weight for SLDB was 0.03% in 2025 Q1.

What is the latest reported SLDB position on this page?

The most recent filing on this page is 2026 Q2, when Susquehanna Portfolio Strategies, LLC reported 107,279 shares, equal to 0.02% of portfolio, with an estimated market value of $1.1M.

What does the chart on this SLDB ownership page compare?

The chart compares Susquehanna Portfolio Strategies, LLC's quarterly SLDB 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 Susquehanna Portfolio Strategies, LLC time their SLDB position?

Based on 13F filing dates vs. subsequent SLDB price moves, Susquehanna Portfolio Strategies, LLC correctly timed 1 out of 3 reported position changes (33%). The annualised alpha on SLDB relative to SPY over the holding period was +22306.4%.

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