Who owns Nine Energy Service, Inc., from the filings themselves: stakes over 5% (Schedule 13D/G), the institutional managers reporting the stock each quarter (13F), and the funds holding it (N-PORT).
Investors crossing 5% ownership must disclose it. Schedule 13G filers certify the stake is passive; Schedule 13D is the general form for everyone else — founders, strategic holders, and activists alike. Each entry is the holder's most recent disclosure. Coverage begins with SEC's structured filings from December 18, 2024; a holder appears once they file or amend after that date.
Philosophy Capital Management LLC: 17.0% · 2,377,783 shares — Philosophy Capital Partners, LP: 6.4% · 890,005 shares — Jacob Rubin: 17.0% · 2,377,783 shares
Jeffrey L. Gendell: 4.4% · 614,230 shares
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Sign up freeEvery institutional manager whose latest 13F reports this stock, largest position first. "% of their portfolio" is the weight inside that manager's own book — how much conviction the position represents; "% of company" is how much of Nine Energy Service, Inc. they hold. Together these 52 managers report 102.84% of shares outstanding.
| Investor | Position value | Shares | % of their portfolio | % of company | As of |
|---|---|---|---|---|---|
| MacKay Shields LLC | $39.2M | 3,011,565 | 1.31% | 21.59% | June 30, 2026 |
| Philosophy Capital Management LLC | $30.9M | 2,377,783 | 1.46% | 17.05% | June 30, 2026 |
50 more institutional holders behind a free account
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Sign up freeFunds disclosing this stock in their monthly N-PORT portfolio, with the position's share of the fund's net assets. Together these 18 funds hold 19.70% of shares outstanding — counted inside the manager totals above, not on top of them, since a fund's shares also appear in its manager's 13F.
| Fund | Position value | % of net assets | % of company | As of |
|---|---|---|---|---|
| NYLI MacKay High Yield Corporate Bond Fund | $13.4M | 0.13% | 10.07% | April 30, 2026 |
| VANGUARD TOTAL STOCK MARKET INDEX FUND | $3.78M | 0.00% | 2.08% | June 30, 2026 |
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