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Halozyme Therapeutics, Inc. · 13F filings

HALO Institutional Ownership

Holdings as of Jun 30, 2026From SEC Form 13FUpdated

Who owns Halozyme Therapeutics, Inc. and what the big funds did with it last quarter, from every SEC 13F filing. 690 funds reported holding HALO at Jun 30, 2026.

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Fund sentiment
Neutral
Strongly bearishNeutralStrongly bullish
  • ▲375 buying vs 283 selling
  • ▼Shares held by funds -5.4%
  • ▲Funds holding +29
  • ▼Superinvestors: 1 added, 3 cut
  • ●Put/call not meaningful

What the filings show, not a forecast. Positions can be up to 45 days old and leave out short sales.

Funds holding690+29 vs Q1 2026
Held by funds–of shares outstanding
Value held$9.8B171M shares
Put/call ratio0.91down from 1.14

Funds holding and ownership

8 quarters
Q3 2024: 535 fundsQ3 '24Q4 2024: 535 fundsQ4 '24Q1 2025: 579 fundsQ1 '25Q2 2025: 578 fundsQ2 '25Q3 2025: 631 fundsQ3 '25Q4 2025: 641 fundsQ4 '25Q1 2026: 661 fundsQ1 '26Q2 2026: 690 fundsQ2 '26
Funds holdingHeld by funds %

Quarter over quarter

all 13F filers
Q2 2026This quarterQ1 2026Change
Funds holding690661+4.4%
In funds' top 10108+25.0%
13F shares171M181M−5.4%
Held by funds–––
New positions10191+11.0%
Increased274233+17.6%
Reduced209219−4.6%
Sold out7473+1.4%
Calls (shares)96K75K+27.6%
Puts (shares)88K86K+2.4%
Put/call ratio0.911.14−19.7%

Buyers vs sellers

adding or new vs cutting or sold out
Q4 2024: 254 buyingQ4 2024: 267 sellingQ4 '24Q1 2025: 319 buyingQ1 2025: 223 sellingQ1 '25Q2 2025: 270 buyingQ2 2025: 311 sellingQ2 '25Q3 2025: 307 buyingQ3 2025: 299 sellingQ3 '25Q4 2025: 299 buyingQ4 2025: 312 sellingQ4 '25Q1 2026: 324 buyingQ1 2026: 292 sellingQ1 '26Q2 2026: 375 buyingQ2 2026: 283 sellingQ2 '26
Buying 375Selling 283latest quarter

Superinvestors in HALO

All superinvestors →

Who owns HALO

share of fund held shares
  • Index and passive funds24.6%
  • Active managers and hedge funds58.5%
  • Banks and brokers12.0%
  • Pensions, insurers and other4.8%

The top 10 holders own 42.5% of all HALO shares that funds reported. Groups are our own grouping of filers by name.

Put/call ratio

funds' options, market makers left out
1.00Q3 2024: 3.04Q3 '24Q4 2024: 0.01Q4 '24Q1 2025: 0.44Q1 '25Q2 2025: 1.57Q2 '25Q3 2025: 0.00Q3 '25Q4 2025: 0.36Q4 '25Q1 2026: 1.14Q1 '26Q2 2026: 0.91Q2 '260.91

Above 1 means funds hold more puts than calls, a sign of hedging or bets on a fall. Options are valued at the underlying shares.

Filed so far for Q3 2026

246 funds changed their position

🔒 Free account: see all 20.

Top holders

Q2 2026
#FundOf companySharesValueChange
1Absolute Investment Advisers, LLC–14M$20.4M0
2BlackRock, Inc.–13.3M$1B+6,042
3Tpg GP A, LLC–10M$11.1M0
4Ofi Invest Asset Management–6.8M$8.7M0
5Vanguard Capital Management LLC–5.4M$419M+80K
6Vanguard Portfolio Management LLC–5.3M$415M+50K
7State Street Corp–5.2M$405M+242K
8Rational Advisors, Inc.–5.1M$5.7M+2.1M
9State of Wisconsin Investment Board–4M$5.8M+1M
10Focus Partners Wealth–3.7M$4.1M−40K
🔒 15 more top holders. Create a free account or sign in to see them.
Biggest buyers
Biggest sellers

HALO institutional ownership FAQ

Who owns the most HALO stock?

In Q2 2026 13F filings the largest holder of HALO was Absolute Investment Advisers, LLC, followed by BlackRock, Inc. and Tpg GP A, LLC. Index fund managers are usually the biggest holders of large companies.

What percentage of HALO is owned by institutions?

690 funds reported holding 171M HALO shares at Jun 30, 2026.

Are hedge funds buying HALO?

In Q2 2026, 375 funds bought HALO (101 of them new positions) and 283 sold (74 sold out completely). Among well known investors, 1 added and 3 cut. Our fund sentiment for HALO is neutral.

What is HALO's institutional put/call ratio?

Funds reported $6.9M of HALO puts against $7.5M of calls, a put/call ratio of 0.91 (1.14 the quarter before). Market makers and bank trading desks are left out, since their options are mostly hedges.

How current is this HALO ownership data?

13F filings show holdings at the end of each quarter and are due within 45 days, so positions can be up to six weeks old when they appear. We add each new filing within minutes, and the "filed so far" list shows funds that have already reported the next quarter.

For informational and educational purposes only. Not investment advice, and not a recommendation to buy or sell any security. Fund sentiment summarises what 13F filings show and is not a forecast. Holdings come from SEC Form 13F filings as reported and show positions at the end of the quarter, up to 45 days before the filing. A 13F leaves out short positions, cash, bonds and most foreign holdings. See all hedge fund holdings.