SEI β€” SOLARIS OILFIELD INFRSTR INC

Ownership history in PDT Partners, LLC  Β·  12 quarters on record

AI Ownership Summary

PDT Partners, LLC reported SOLARIS OILFIELD INFRSTR INC (SEI) in 12 quarterly 13F filings from 2024 Q4 through 2025 Q3. Peak portfolio weight reached 0.13% in 2025 Q1. The latest visible filing shows SEI 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. Older history is available after unlock; the visible window still shows the most recent pattern.

What this SEI ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was PDT Partners, LLC's position in SOLARIS OILFIELD INFRSTR 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
2025 Q3

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

High-water mark
Peak Conviction
0.13% 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
2024 Q4 to 2025 Q3

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 PDT Partners, LLC held SEI β€” position size vs. price
% of Fund (quarterly)    SEI price (quarter-end, indexed to 100)
πŸ“‹ Quarterly Holdings History 4 quarters  β–Ύ
Quarter Action Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2025 Q3 UNCHANGED 8,900 β€” 0% 0.02% $356K 2025-11-17 $45.52
2025 Q2 REDUCED 8,900 -76,138 -89.5% 0.01% $252K 2025-08-14 $27.14
2025 Q1 ADDED 85,038 +70,692 +492.8% 0.13% $1.9M 2025-05-15 $22.31
2024 Q4 REDUCED 14,346 -14,100 -49.6% 0.04% $413K 2025-02-14 $27.65
8 older quarters hidden  β€”  Sign in free or upgrade to Premium to see full history

🏒 Other funds also holding SEI

As of 2026 Q1 β€” sorted by position size

GAMMA Investing LLC 0.0%

FAQ About PDT Partners, LLC and SEI

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

How long has PDT Partners, LLC reported owning SEI?

PDT Partners, LLC reported SEI across 4 quarterly 13F filings, from 2024 Q4 through 2025 Q3.

What was the largest reported SEI position in PDT Partners, LLC's portfolio?

The largest reported portfolio weight for SEI was 0.13% in 2025 Q1.

What is the latest reported SEI position on this page?

The most recent filing on this page is 2025 Q3, when PDT Partners, LLC reported 8,900 shares, equal to 0.02% of portfolio, with an estimated market value of $356K.

What does the chart on this SEI ownership page compare?

The chart compares PDT Partners, LLC's quarterly SEI 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.

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