Nine Energy Service Ownership | Who Owns Nine Energy Service?

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Nine Energy Service Ownership Summary

Nine Energy Service is owned by 83.50% institutional investors, 1.00% insiders, and 15.50% retail investors. Mackay shields is the largest institutional shareholder, holding 21.98% of NINE shares. Extended Equity Market Fund B is the top mutual fund, with 1.65% of its assets in Nine Energy Service shares.

NINE Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	Nine Energy Service	83.50%	1.00%	15.50%
Sector	Energy Stocks	79.40%	16.36%	4.25%
Industry	Oil & Gas Equipment & Services Stocks	44.26%	15.75%	40.00%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Mackay shields	3.07M	21.98%	$25.14M
Philosophy capital management	2.55M	18.29%	$20.92M
Adage capital partners gp	1.36M	9.71%	$11.11M
Castleknight management lp	1.16M	8.30%	$9.50M
Algebris (uk)	789.89K	5.66%	$6.47M
Gendell jeffrey l	784.50K	5.62%	$6.43M
Nomura	502.05K	3.60%	$4.12M
Vanguard group	1.16M	2.81%	$401.57K
Mackenzie financial	361.30K	2.59%	$2.62M
Liberty mutual group asset management	281.18K	2.02%	$2.31M

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Philosophy capital management	2.55M	1.28%	$20.92M
Mackay shields	3.07M	0.92%	$25.14M
Algebris (uk)	789.89K	0.47%	$6.47M
Liberty mutual group asset management	281.18K	0.18%	$2.31M
Castleknight management lp	1.16M	0.16%	$9.50M
Gendell jeffrey l	784.50K	0.09%	$6.43M
Adage capital partners gp	1.36M	0.02%	$11.11M
Nomura	502.05K	0.01%	$4.12M
Acr alpine capital research	46.50K	0.00%	$279.00K
Nomura asset management	166.24K	0.00%	$1.36M

Top Buyers

Holder	Shares	% Assets	Change
Mackay shields	3.07M	0.92%	3.07M
Philosophy capital management	2.55M	1.28%	2.55M
Adage capital partners gp	1.36M	0.02%	1.36M
Castleknight management lp	1.16M	0.16%	1.16M
Algebris (uk)	789.89K	0.47%	789.89K

Top Sellers

Holder	Shares	% Assets	Change
Scf partners	-	-	-2.84M
Clarity financial	-	-	-1.52M
Blackrock funding, inc. /de	-	-	-615.90K
Renaissance	-	-	-462.84K
Geode capital management	-	-	-329.30K

New Positions

Holder	Shares	% Assets	Change	Value
Mackay shields	3.07M	0.92%	3.07M	$25.14M
Philosophy capital management	2.55M	1.28%	2.55M	$20.92M
Adage capital partners gp	1.36M	0.02%	1.36M	$11.11M
Castleknight management lp	1.16M	0.16%	1.16M	$9.50M
Algebris (uk)	789.89K	0.47%	789.89K	$6.47M

Sold Out

Holder	Change
Jpmorgan chase	-19.00
Coppell advisory solutions	-21.00
Northwestern mutual wealth management	-59.00
Bnp paribas arbitrage, snc	-75.00
Transce3nd	-95.00

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Mar 31, 2026	17	-46.88%	11,648,234	237.94%	83	117.67%	16	-	1	-75.00%
Dec 31, 2025	24	-48.94%	3,217,378	-67.04%	7	1.37%	12	-20.00%	3	-80.00%
Sep 30, 2025	47	-14.55%	9,762,420	-9.23%	23	3.45%	15	-16.67%	15	-31.82%
Jun 30, 2025	55	-14.06%	10,754,721	-13.41%	26	2.75%	18	-40.00%	22	83.33%
Mar 31, 2025	64	-3.03%	12,419,659	-17.47%	30	2.10%	30	-3.23%	12	-29.41%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
Extended Equity Market Fund B	230.14K	1.65%	-
Extended Equity Market Fund E	230.14K	1.65%	-
Vanguard US Total Market Shares ETF	609.23K	1.44%	-
Vanguard Total Stock Mkt Idx Inv	596.20K	1.38%	-
Vanguard Institutional Extnd Mkt Idx Tr	343.73K	0.79%	-
Blackrock Extended Mkt Fund CF	230.14K	0.53%	230.14K
Extended Equity Market Fund K	197.39K	0.46%	128.00
Fidelity Extended Market Index	194.28K	0.45%	-672.00
Invesco FTSE RAFI US 1500 Small-Mid ETF	142.38K	0.34%	-
Lord Abbett Credit Opportunities Instl	135.59K	0.32%	-

Recent Insider Transactions

Date	Name	Role	Activity	Value
Apr 09, 2025	MONROE WILLIAM	-	Sell	$682.50K
Aug 08, 2025	Fox Ann G	See Remarks	Sell	$173.73K
Aug 08, 2025	Sirkes Guy	See Remarks	Sell	$32.43K
May 15, 2025	Crombie David	See Remarks	Sell	$12.97K
May 14, 2025	MOORE THEODORE R.	See Remarks	Sell	$8.06K

Insider Transactions Trends

Date	Buy	Sell
2026 Q2	-	-
2026 Q1	-	-
2025 Q4	-	-
2025 Q3	-	2
2025 Q2	-	20

NINE Ownership FAQ

Who Owns Nine Energy Service?

Nine Energy Service shareholders are primarily institutional investors at 83.50%, followed by 1.00% insiders and 15.50% retail investors. The average institutional ownership in Nine Energy Service's industry, Oil & Gas Equipment & Services Stocks, is 44.26%, which Nine Energy Service exceeds.

Who owns the most shares of Nine Energy Service?

Nine Energy Service’s largest shareholders are Mackay shields (3.07M shares, 21.98%), Philosophy capital management (2.55M shares, 18.29%), and Adage capital partners gp (1.36M shares, 9.71%). Together, they hold 49.98% of Nine Energy Service’s total shares outstanding.

Does Blackrock own Nine Energy Service?

BlackRock is not among the top 10 institutional shareholders of Nine Energy Service.

Who is Nine Energy Service’s biggest shareholder by percentage of total assets invested?

Philosophy capital management is Nine Energy Service’s biggest shareholder by percentage of total assets invested, with 1.28% of its assets in 2.55M Nine Energy Service shares, valued at 20.92M$.

Who is the top mutual fund holder of Nine Energy Service shares?

Extended Equity Market Fund B is the top mutual fund holder of Nine Energy Service shares, with 1.65% of its total shares outstanding invested in 230.14K Nine Energy Service shares.

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