Nine Energy Service, INC Schedule 13G passive stakes

Jeffrey L. Gendell, through affiliated entities, has reported beneficial ownership of 614,230 shares, representing 4.4% of Nine Energy Service, Inc.'s common stock.

Philosophy Capital Management LLC, Philosophy Capital Partners, LP, and Jacob Rubin have jointly filed a Schedule 13G, reporting beneficial ownership of 17.0% and 6.4% of Nine Energy Service, Inc. common stock, respectively, subject to a voting agreement.

Adage Capital Management, L.P., along with individuals Robert Atchinson and Phillip Gross, has filed a Schedule 13G, reporting beneficial ownership of 9.71% of Nine Energy Service, Inc. common stock as of March 31, 2026.

Algebris Investments (US) Inc. has reported beneficial ownership of 6.0% of Nine Energy Service, Inc.'s common stock as of June 30, 2026.

Investor Jeffrey L. Gendell has filed a Schedule 13G disclosing beneficial ownership of 5.6% of Nine Energy Service, Inc. common stock.

William Monroe reports a 0.3% beneficial ownership stake in Nine Energy Service, Inc. as of year-end 2025.

CastleKnight Master Fund LP and affiliated entities have reported beneficial ownership of 1,157,943 shares, representing 8.3% of the outstanding common stock of Nine Energy Service, Inc.

MacKay Shields LLC and NYLI MacKay High Yield Corporate Bond Fund have jointly disclosed beneficial ownership of 21.98% of Nine Energy Service, Inc.'s common stock.

MacKay Shields LLC and NYLI MacKay High Yield Corporate Bond Fund have disclosed a combined beneficial ownership of 21.98% in Nine Energy Service, Inc. common stock.

Tontine Asset Associates and affiliated funds report they no longer beneficially own more than 5% of Nine Energy Service, Inc. common stock.

Tontine Asset Associates, LLC, Tontine Capital Overseas Master Fund II, L.P., and Jeffrey L. Gendell have disclosed a combined passive beneficial ownership of 9.9% in Nine Energy Service, Inc.'s common stock.

William Monroe has filed an amended Schedule 13G, revealing a beneficial ownership of 11.5% of Nine Energy Service, Inc.'s common stock as of December 31, 2024.

SCF Partners and its affiliated entities have reported a complete divestment of their beneficial ownership in Nine Energy Service, Inc., reducing their stake to 0% as of December 16, 2024.