What is CUSIP 65441V101?

CUSIP 65441V101 is the security identifier used in SEC filing datasets for NINEQ - Nine Energy Service, Inc. - Common Stock, par value $0.01 per share.

Security Snapshot

Nine Energy Service, Inc. - Common Stock, par value $0.01 per share (NINEQ) Institutional Ownership

Q: Who owns NINEQ - Nine Energy Service, Inc. - Common Stock, par value $0.01 per share based on 13F filings?

Open this security page to review the newest available 13F ownership history, top reported holders, and period-by-period changes.

CUSIP: 65441V101

13F Institutional Holders and Ownership History from Q1 2018 to Q1 2026

Latest Period

Q1 2026

Institutions Reporting

Shares (Excl. Options)

Price

$0.01

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Type / Class: Equity / Common Stock, par value $0.01 per share
Symbol: NINEQ
Shares outstanding: 13,951,120
Price per share: $0.01
All holders as of 31 Mar 2026: Q1 2026
Total 13F shares: 0
Total reported value: $0
Share change: -2,286,123
Value change: -$793,653
Number of holders: 0
Price from insider filings: $0.01

Reported Shares, Excluding Options vs Price

Reported Value, Excluding Options

Total Investors

Key facts

NINEQ - Nine Energy Service, Inc. - Common Stock, par value $0.01 per share is tracked under CUSIP 65441V101.
0 institutions reported positions in Q1 2026.
2 significant owners is listed from Schedule 13D/13G reporting.

Change

Holder count moved from 29 to 0 between Q4 2025 and Q1 2026.
Reported value moved from $1,195,247 to $0.

Research use

You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.

Evidence

Source: SEC Form 13F

Latest holder context comes from 0 institutions filings for Q1 2026.

Open SEC Evidence

Security key

65441V101

Latest holder period

Q1 2026

13F holders

13D/G owners

CIK / CUSIP context first

Open Q1 2026 holders NINEQ full holder history

Broader feeds

Latest 13F filings Latest 13D/G filings All securities

Recent Quarterly Holder Reports

Open recent reporting periods for CUSIP 65441V101:

Q1 2026 (0 holders) Q4 2025 (29 holders) Q3 2025 (42 holders) Q2 2025 (51 holders) Q1 2025 (61 holders) Q4 2024 (62 holders) Q3 2024 (51 holders) Q2 2024 (52 holders) Q1 2024 (54 holders) Q4 2023 (60 holders)

Significant Owners of Nine Energy Service, Inc. - Common Stock, par value $0.01 per share (NINEQ) based on Schedule 13D/G filings

Filer	Ownership	Change %	Holdings Value	Net Change	Nb Shares	Change %	Reporting Name	Report Period
MONROE WILLIAM	12%		$4,036,290		4,863,000		William Monroe	31 Dec 2024
CastleKnight Master Fund LP	8.3%		$11,579		1,157,943		CastleKnight Master Fund LP	31 Mar 2026

As of 31 Mar 2026, 0 institutional investors reported holding 0 shares of Nine Energy Service, Inc. - Common Stock, par value $0.01 per share (NINEQ). This represents 0% of the company’s total 13,951,120 outstanding shares.

Institutional Holders of Nine Energy Service, Inc. - Common Stock, par value $0.01 per share (NINEQ) across Reporting Periods

Period	Reported Shares, Excl. Options	Value, Excl. Options	Value Change	Puts Notional Value	Calls Notional Value	Price (Median)	Investors
2026 Q1	0	$0	-$793,653	$0	$0	$0.01	0
2025 Q4	3,446,798	$1,195,247	-$4,139,568	$6,914	$17,320	$0.35	29
2025 Q3	9,761,898	$6,165,840	-$710,790	$6,445	$52,034	$0.63	42
2025 Q2	10,754,678	$8,273,555	-$1,601,162	$238,579	$66,078	$0.77	51
2025 Q1	12,419,659	$13,991,498	-$2,936,716	$55,935	$47,512	$1.13	61
2024 Q4	15,049,382	$16,854,872	-$5,281,048	$10,864	$64,890	$1.12	62
2024 Q3	19,750,378	$24,900,194	-$815,612	$8,814	$63,146	$1.13	51
2024 Q2	20,393,734	$34,262,611	+$607,145	$90,216	$58,632	$1.68	52
2024 Q1	19,883,808	$44,534,223	-$1,218,597	$13,440	$133,952	$2.24	54
2023 Q4	20,348,224	$54,535,154	+$2,733,904	$131,856	$252,992	$2.68	60
2023 Q3	19,216,630	$79,241,852	-$4,107,300	$287,164	$705,756	$4.12	59
2023 Q2	20,349,276	$77,937,497	+$2,742,334	$311,697	$731,849	$3.83	66
2023 Q1	19,157,648	$106,517,473	-$46,352,317	$917,124	$1,811,204	$5.56	71
2022 Q4	20,044,204	$291,221,203	+$48,312,097	$7,362,785	$10,287,443	$14.53	75
2022 Q3	17,477,290	$46,138,256	+$4,786,354	$76,000	$260,000	$2.64	46
2022 Q2	15,659,483	$41,496,257	+$858,936	$172,000	$506,000	$2.65	44
2022 Q1	15,230,786	$56,955,363	-$7,840,537	$521,000	$1,303,000	$3.74	36
2021 Q4	18,032,067	$18,033,097	-$1,247,217	$11,000	$46,000	$1.00	32
2021 Q3	19,080,530	$34,919,184	-$2,130,642	$0	$269,000	$1.83	32
2021 Q2	20,187,177	$59,347,285	+$320,924	$50,000	$1,105,000	$2.94	31
2021 Q1	20,105,893	$46,243,223	-$787,226	$45,000	$764,000	$2.30	36
2020 Q4	20,434,267	$55,582,267	+$94,792		$191,000	$2.72	37
2020 Q3	15,896,284	$17,965,384	-$2,721,976			$1.13	31
2020 Q2	17,245,027	$33,653,566	-$5,621,392			$1.95	44
2020 Q1	20,623,123	$16,666,315	-$17,781,439			$0.81	44
2019 Q4	23,344,361	$182,524,708	+$10,772,925			$7.82	53
2019 Q3	22,100,372	$136,355,110	-$1,700,419			$6.17	69
2019 Q2	21,424,706	$370,937,356	+$18,182,624			$17.33	63
2019 Q1	20,554,619	$465,566,049	+$12,099,665			$22.65	76
2018 Q4	20,018,606	$451,217,077	+$32,912,720			$22.54	75
2018 Q3	9,480,761	$289,913,816	+$47,705,961			$30.58	66
2018 Q2	16,942,777	$260,488,590	+$8,949,934			$33.12	66
2018 Q1	16,971,187	$192,203,894	+$191,982,628			$24.35	58