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MDU RES GROUP INC
MDU RES GROUP INC. Institutional holdings reported to the SEC.

Institutional Holders (2015Q4)
Portfolio Summary: 5 Institutional holders with a total value of $987,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 INGALLS & SNYDER LLC 31,217 571,000 57.85% SH
2 ARROWSTREET CAPITAL, LIMITED PARTNERSHIP 20,919 383,000 38.80%
3 CENTERSTAR FUND, LLC 1,000 18,000 1.82% Call PRN
4 CENTERSTAR FUND, LLC 599 11,000 1.11% PRN
5 CENTERSTAR FUND, LLC 200 4,000 0.41% Put PRN

From 2023-01-03 onward, the SEC requires values to be reported in nearest dollars. Earlier filings reported values in thousands; therefore, positions shown as $0 in older filings may represent actual values between $0–$999.