오리온 그룹 홀딩스, Inc.
US ˙ NYSE ˙ US68628V3087

SecurityORN / Orion Group Holdings, Inc.
InstitutionQUANTITATIVE MASTER SERIES LLC - Master Small Cap Index Series
Latest Disclosed Ownership61,851 shares
Latest Disclosed Value $ 560,988
QUANTITATIVE MASTER SERIES LLC - Master Small Cap Index Series ownership in ORN / Orion Group Holdings, Inc.

On August 26, 2025 - QUANTITATIVE MASTER SERIES LLC - Master Small Cap Index Series filed a NPORT-P form disclosing ownership of 61,851 shares of Orion Group Holdings, Inc. (US:ORN) valued at $560,989 USD as of June 30, 2025. The entity filed a previous NPORT-P on May 28, 2025 disclosing 61,851 shares of Orion Group Holdings, Inc.. This represents a change in shares of 0.00% during the quarter. The current value of the position is $843,029 USD.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

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Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date		 Effective
Date		Form Security Class ID Avg Price
Paid (Est)		 Reported
Shares		 ΔShares ΔShares
(%)		 Reported
Value
(x1000)		 ΔValue
(%)		 Alloc
(%)		 ΔAlloc ΔAlloc (%) Cost Basis
(x1000)		 Unrealized
Gain/Loss
(x1000)
2025-08-26 2025-06-30 NP Orion Group Holdings EC US68628V3087 61,851 0 0.00 561 73.37 0.0126
2025-05-28 2025-03-31 NP Orion Group Holdings EC US68628V3087 61,851 7,020 12.80 323 -19.45 0.0078
2025-02-25 2024-12-31 NP Orion Group Holdings EC US68628V3087 54,831 -6,287 -10.29 402 13.92 0.0088
2024-11-26 2024-09-30 NP Orion Group Holdings EC US68628V3087 61,118 61,118 353 0.0067
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.