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HALOHealth CareCommon Stock

Halozyme Therapeutics, Inc

Held by 13 tracked managers as of Q2 2026 · CUSIP ⓘCUSIP: A 9-character ID for one specific security - one share class of one company, or one bond. Tickers can change and can mean different things in different countries; a CUSIP always identifies exactly the same security, which is why filings use it. Guide 40637H109 · Sector ⓘGICS sectors: The 11-sector system most investors know (Global Industry Classification Standard): Technology, Health Care, Financials and so on. This site assigns each company a GICS-style sector from its SIC code, with a few hand corrections, so sector pages match the names investors expect. Guide

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In plain English: 13 of the investors we track own this stock. In the latest quarter, 6 of them bought more of it and 5 sold some or all of theirs. That tells you what they did last quarter — not what the stock will do next.

Educational and informational only, not personalized investment advice. Based on public filings that may be delayed or contain errors; verify with the original filings. Disclaimer

Managers holding
13
0 vs last quarter (like-for-like)
Total value held
$864.88M
Across tracked managers
Average weight ⓘOn average, how big this stock is in the portfolios that own it (its share of each manager's reported portfolio value).
0.1%
Of each manager's book
QoQ value ⓘLike-for-like: only managers that filed both quarters are compared, so a manager filing late (or confidentially) does not look like buying or selling. Includes price changes.
+$108.44M
+16.9% vs last quarter
Net shares bought
-337.8K
Est. net flow -$26.45M
Quarter activity
6 bought · 5 sold
0 new · 0 sold out

Tracked capital in this stock

Total value held (area) and number of managers (line). Dips can mean a large holder filed that quarter confidentially (e.g. Norges Bank in Q1/Q3).

Chart: Tracked capital in this stock

Aggregate buying and selling

Net share change reported each quarter

Chart: Aggregate buying and selling

Who owns HALO?

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Who owns HALO? — Q2 2026

Holders ranked by position size, with each one's quarter-over-quarter change.

CSV Excel
Column filters

Numbers accept 1.5M, 2B, 250K. Percent columns take percent (5 = 5%).

# Manager Fund Shares Value ↓ % of their portfolio QoQ Δ shares Δ shares % Est. Δ value ⓘChange in shares × this quarter's price
1 Boston Partners Boston Partners Global Investors 2.77M $216.82M 0.2% Added +89.9K +3.3% +$7.03M
2 David Shaw D.E. Shaw & Co. 2.01M $157.05M 0.1% Added +137.8K +7.4% +$10.78M
3 Two Sigma Two Sigma Investments 1.65M $129.40M 0.1% Added +68.3K +4.3% +$5.35M
4 Norges Bank Norges Bank Investment Management 1.48M $116.13M 0.0% — — — —
5 LSV Asset Management LSV Asset Management 1.41M $110.38M 0.2% Added +38.7K +2.8% +$3.03M
6 Jim Simons Renaissance Technologies 479.61K $37.54M 0.1% Reduced -252.2K -34.5% -$19.74M
7 Ray Dalio Bridgewater Associates 463.15K $36.25M 0.1% Reduced -48.3K -9.4% -$3.78M
8 Ken Fisher Fisher Asset Management 427.71K $33.48M 0.0% Reduced -17.0K -3.8% -$1.33M
9 Ken Griffin Citadel Advisors 289.09K $22.63M 0.0% Added +98.0K +51.3% +$7.67M
10 Torray Torray Investment Partners 38.70K $3.03M 0.4% Added +524 +1.4% +$41.01K
11 Israel Englander Millennium Management 19.86K $1.55M 0.0% Reduced -451.4K -95.8% -$35.33M
12 Richard Pzena Pzena Investment Management 4.05K $316.92K 0.0% Held 0 0.0% $0
13 Fred Alger Fred Alger Management 3.97K $310.50K 0.0% Reduced -2.2K -35.7% -$172.59K

Sold out completely this quarter

CSV Excel
Column filters

Numbers accept 1.5M, 2B, 250K. Percent columns take percent (5 = 5%).

No tracked manager sold out of this stock this quarter.

Politician trades

Politician trades in HALO

CSV Excel
Column filters

Numbers accept 1.5M, 2B, 250K. Percent columns take percent (5 = 5%).

Politician Date Ticker Asset Type Reported range ⓘThe dollar range the politician reported. Exact amounts are not disclosed. Est. size ⓘOur estimate only: the midpoint of the reported range. Owner Account ⓘSubholding Of: the account the trade was in, as named on the report (e.g. an IRA or a brokerage account). The same stock bought on the same day in different accounts is a separate trade in each account. Filed ↓ Filing delay ⓘDays between the trade and the report. Over 45 days is late under the STOCK Act. Source
Gil Cisneros Politician Sep 29, 2026 HALO Halozyme Therapeutics, Inc. - Common Stock (HALO) [ST] Sale (partial) $1,001 - $15,000 Est. $8,000 (midpoint of reported range $1,001–$15,000) Self 150 Main Street Trust > Bank of America Oct 12, 2026 13 days PTR ↗
Gil Cisneros Politician Mar 9, 2026 HALO Halozyme Therapeutics, Inc. - Common Stock (HALO) [ST] Purchase $1,001 - $15,000 Est. $8,000 (midpoint of reported range $1,001–$15,000) Self 150 Main Street Trust > Bank of America Apr 7, 2026 29 days PTR ↗
Gil Cisneros Politician Mar 24, 2025 HALO Halozyme Therapeutics, Inc. - Common Stock (HALO) [ST] Sale (partial) $1,001 - $15,000 Est. $8,000 (midpoint of reported range $1,001–$15,000) Self 150 Main Street Trust > Bank of America Apr 7, 2025 14 days PTR ↗
Josh Gottheimer Politician Sep 9, 2024 HALO Halozyme Therapeutics, Inc. - Common Stock (HALO) [ST] Sale (partial) $1,001 - $15,000 Est. $8,000 (midpoint of reported range $1,001–$15,000) Joint Morgan Stanley - Select UMA Account # 1 Oct 3, 2024 24 days PTR ↗