Rocket Lab Corp (RKLB) Institutional Ownership

Ownership Summary

Rocket Lab Corp (NASDAQ:RKLB) showed up in the 13F filings of 799 institutional investors as of December 2025.

• They owned 51.7% of outstanding stock in December 2025, down from 54.2% the prior quarter.
• Their total shares held in RKLB increased 0.56% from the prior quarter, while the number of investors in Rocket Lab increased 102.28% year over year.
• Among the 799 funds, 521 bought more Rocket Lab shares, 205 sold down, and 73 held their ground.
• Altogether, these fund groups held 273.1Mn shares in RKLB by December 2025, up by 1.51Mn shares quarter on quarter, and up 22.03Mn shares year over year.
• UNICOM Systems, Inc. is the top holder of Rocket Lab as of December 31, 2025, with 502.9K shares representing 0.1% of outstanding stock.
• Top purchasers of RKLB stock for the quarter ending December 2025 included BERKSHIRE CAPITAL HOLDINGS INC (207.35K), Harvest Fund Management Co., Ltd (721), Your Advocates Ltd., LLP (2).
• Per Business Quant, the top 8 investors in RKLB for the quarter ending December 2025 include UNICOM Systems, Inc. (502.9K), BERKSHIRE CAPITAL HOLDINGS INC (207.36K), TORRAY INVESTMENT PARTNERS LLC (9.0K), Harvest Fund Management Co., Ltd (2.64K), Your Advocates Ltd., LLP (912), Accent Capital Management, LLC (837), Berbice Capital Management LLC (400), HUNTINGTON NATIONAL BANK (1).