Nine Energy Service, Inc. (NINE)
NYSE: NINE · Oil & Gas Field Services, NEC · Houston, TX · filing with the SEC since 2011
Grade2.4
◀ Past 1.9● Present 2.2▶ Future 3.2
Who owns Nine Energy Service, Inc.
As filed with the SECHolders of 5% or more
5
Philosophy Capital Management LLC holds 17% of Common Stock, as its SCHEDULE 13G/A filed Aug 14, 2026 says.
Directors and officers
15
report now, of 24 people on the record since 2018. Their holdings as a group are not read here.
Institutions as a whole
n/a
The record does not read the share held by managers that file Form 13F, so none is printed and no split of the rest is estimated. What it holds is the 5 named at left.
Holders of 5% or moreshare of the class, as filed
Philosophy Capital Management LLC
SCHEDULE 13G/A · filed Aug 14, 2026 · Common Stock · 18.3% in Mar 11, 2026
MacKay Shields LLC
SCHEDULE 13G · filed Mar 31, 2026 · Common Stock · 11.9% in Mar 31, 2026
Adage Capital Management, L.P.
SCHEDULE 13G · filed Jul 9, 2026 · Common Stock, par value $0.01 per share
CastleKnight Master Fund LP
SCHEDULE 13G · filed Apr 9, 2026 · Common Stock, par value $0.01 per share
Algebris Investments (US) Inc.
SCHEDULE 13G · filed Jul 2, 2026 · Common Stock
Jeffrey L. Gendell
SCHEDULE 13G/A · filed Aug 14, 2026 · Common Stock, par value $0.01 per share · reported falling below 5%, from 5.6% in May 15, 2026
Monroe William
SCHEDULE 13G/A · filed Apr 16, 2026 · Common Stock, par value $0.01 per share · reported falling below 5%, from 11.5% in Feb 12, 2025
SCF Partners, Inc.
SCHEDULE 13G/A · filed Feb 4, 2025 · Common Stock, Par Value $0.01 Per Share · reported falling below 5%
What NINE reports owning in othersstakes of 5% or more, and other ties
11 subsidiaries in 3 countries, from the list filed with the 10-K filed Mar 4, 2026.
Insider tradesForm 4
0sales
0purchases
0sales on a scheduled plan
0people selling
$0sold, in dollars
$0bought, in dollars
Open-market trades on Form 4 from Sep 30, 2025 to Sep 30, 2026. A scheduled plan is a selling program set in advance under SEC rule 10b5-1. The trades are listed as filed and do not feed the grade.
By calendar yearSoldBought
2025 runs to Sep 30, 2026. Dollars as filed, summed by the transaction date.
People who traded in the window
No one on the roster filed an open-market trade in the window.