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SCHEDULE Filed 2025-02-19 Event 2025-02-14 SEC 0000950170-25-023180 →

BlackRock Portfolio Management LLC Hess Midstream LP HESM

Stake: 13.90% Shares: 18,715,111 CUSIP: 428103105 Class: Class A Shares

Item 4 — Purpose of Transaction

Item 4 of the Schedule 13D is hereby amended and supplemented as follows: February 2025 Option Exercise On February 14, 2025, pursuant to the February 2025 Underwriting Agreement, the Underwriter exercised its option to purchase 1,650,000 Class A Shares from Blue Holding at $39.11 per share (the "February 2025 Option Exercise"). The February 2025 Option Exercise was consummated on February 19, 2025. In connection with the sale, Blue Holding redeemed 1,650,000 OpCo Class B Units for a corresponding number of Class A Shares.

Cross-References

Insider Activity (last 365d)
0 transactions
0 buys · 0 sales · 0 awards/exercises
Issuer Cluster
3 13D/G filings on this issuer
2 other filings besides this one
Filer Track Record
2 filings by this filer
1 other filing in the data moat
Short Interest · settle 2026-03-31
DTC 5.81
7,775,811 shares short · -9.3% vs prior

Institutional Consensus · 2025-12-31

Held by elite portfolio managers
1 holder · $38.78M
Point72 Asset Mgmt

Other 13D/G Filings on Hess Midstream LP

FiledFormFilerStakeShares
2025-01-15 SCHEDULE Hess Investments North Dakota LLC 44.30% 81,916,146 view →
2025-01-15 SCHEDULE Global Infrastructure Investors II, LLC 23.20% 31,234,403 view →

Other Filings by BlackRock Portfolio Management LLC

FiledFormIssuerStakeShares
2026-04-03 SCHEDULE 13D/A Clearway Energy, Inc. CWEN-A 20.00% 78,263 view →

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