Form 13-F position report

HALOZYME THERAPEUTICS INC

Reported by Steamboat Capital Partners LLC

HALO CUSIP 40637H109 Manager CIK 0001635663

Reported 108,366 shares, down 1,371 (1.2%) from the prior quarter.

Reported value 19.6%; share count -1.2% vs. the prior quarter.

Reduced
% of reported 13F value 1.81% This manager · Q2 2026
Shares 108,366 Quarter-end amount reported
Reported value $8,481,807 Fair value at quarter end
Consecutive quarters held 14 Through Q2 2026

Reported position value by quarter

Reported position value by quarter

Each bar is a Form 13-F quarter-end snapshot. It does not show trades made within the quarter.

Reported position value by quarter
Date Holding Value
2023-03-31 7638000
2023-06-30 6970347
2023-09-30 7521504
2023-12-31 6249345
2024-03-31 6994885
2024-06-30 9296780
2024-09-30 9951804
2024-12-31 11940595
2025-03-31 9571500
2025-06-30 8921430
2025-09-30 10456597
2025-12-31 9707352
2026-03-31 7092302
2026-06-30 8481807

Quarterly position history

How this manager's reported quarter-end position changed over time.

14 quarters
Quarterly reported position history for HALOZYME THERAPEUTICS INC held by Steamboat Capital Partners LLC.
Quarter Activity Shares Change % of reported 13F Reported value Filed Source filing
Q2 2026 Reduced 108,366 -1,371 (-1.2%) 1.81% $8,481,807 2026-08-14
Q1 2026 Reduced 109,737 -34,503 (-23.9%) 1.76% $7,092,302 2026-05-15
Q4 2025 Added 144,240 +1,663 (1.2%) 2.66% $9,707,352 2026-02-17
Q3 2025 Reduced 142,577 -28,923 (-16.9%) 2.72% $10,456,597 2025-11-14
Q2 2025 Added 171,500 +21,500 (14.3%) 2.54% $8,921,430 2025-08-14
Q1 2025 Reduced 150,000 -99,751 (-39.9%) 2.89% $9,571,500 2025-05-15
Q4 2024 Added 249,751 +75,890 (43.6%) 3.69% $11,940,595 2025-02-14
Q3 2024 Reduced 173,861 -3,694 (-2.1%) 3.14% $9,951,804 2024-11-14
Q2 2024 Added 177,555 +5,606 (3.3%) 3.41% $9,296,780 2024-08-14
Q1 2024 Added 171,949 +2,865 (1.7%) 2.41% $6,994,885 2024-05-07
Q4 2023 Reduced 169,084 -27,814 (-14.1%) 2.35% $6,249,345 2024-02-14
Q3 2023 Added 196,898 +3,653 (1.9%) 2.79% $7,521,504 2023-11-14
Q2 2023 Reduced 193,245 -6,755 (-3.4%) 2.4% $6,970,347 2023-08-14
Q1 2023 New 200,000 +200,000 (0.0%) 2.53% $7,638,000 2023-05-15

Who else reported the position

746 managers reported HALOZYME THERAPEUTICS INC for Q2 2026.

Managers reporting HALOZYME THERAPEUTICS INC in Q2 2026.
Manager Activity Shares Change % of reported 13F Reported value Tenure
BlackRock Inc Added 13,271,095 +6,042 0.02% $1,038,728,610 8 qtrs
VANGUARD CAPITAL MANAGEMENT LLC Added 5,351,312 +80,094 < 0.01% $418,847,190 2 qtrs
VANGUARD PORTFOLIO MANAGEMENT LLC Added 5,299,008 +49,802 0.02% $414,753,356 2 qtrs
STATE STREET CORPORATION Added 5,179,434 +241,580 0.01% $405,379,779 53 qtrs
Invesco Ltd Reduced 3,177,997 -834,497 0.02% $248,741,825 45 qtrs
MORGAN STANLEY Added 2,832,594 +270,285 0.01% $221,707,309 53 qtrs
Boston Partners Added 2,773,568 +89,885 0.19% $216,820,544 12 qtrs
Bank of America Corporation Reduced 2,740,561 -172,548 0.01% $214,503,722 53 qtrs
GEODE CAPITAL MANAGEMENT LLC Added 2,519,951 +14,165 0.01% $197,281,725 53 qtrs
WILLIAM BLAIR INVESTMENT MANAGEMENT LLC Reduced 2,511,050 -14,925 0.59% $196,539,884 3 qtrs
Premium adds each manager's conviction percentile across reporting peers.
Filing details and methodology As reported
Report period
June 30, 2026
Filed
August 14, 2026
Filing type
13F-HR
Position type
COM

Voting authority reported

Sole
108,366
Shared
0
None
0

“None” means the manager reported no voting authority for those shares on non-routine matters. It does not disclose why and is not evidence of securities lending.

Form 13-F is a delayed quarter-end snapshot of disclosed long Section 13(f) securities. It can be filed up to 45 days after quarter end, excludes short positions and most non-U.S. securities, and does not reveal intra-quarter trading. For options, reported shares and value describe the underlying-share exposure; strike, expiry, premium, and written positions are not disclosed.