Who owns GH (GH)
Which tracked institutional funds hold GH, how they are positioned, and who is buying versus exiting — from SEC Form 13F-HR filings. See GH company fundamentals →
Ownership as of the 2026-Q1 13F filings. 13F is disclosed up to 45 days after quarter-end, so the most recent quarter fills in over the following weeks.
How the tape is positioned
104 tracked funds added or opened GH while 195 trimmed or exited it between 2025-Q4 and 2026-Q1 — the tape is split. When large holders disagree on a name, the funds moving first are sometimes ahead of the story.
A prompt to read the filings, not a verdict. 13F is a quarter-end snapshot disclosed up to 45 days late; a fund adds or exits for mandate, benchmark, and timing reasons that have nothing to do with a view on the stock. This is a starting question, not a signal to trade.
Conviction spread
GH’s largest tracked holder by dollar value, VANGUARD GROUP INC, sizes it at 0.0% of its own reported 13F book, while the median holder sizes it at 0.1% of theirs — a 0.1pp gap the other way — the median holder sizes GH more heavily than its largest holder by dollar value does.
Book-share is each fund’s reported value in GH divided by its whole reported 13F book, so it is comparable across funds of different sizes and is unaffected by stock splits. A higher share means a fund has committed more of its book to the name — a starting question about conviction, not a verdict or a signal to trade.
Institutional & insider positioning
Between 2025-Q4 and 2026-Q1, across 484 tracked filers holding GH, 263 increased or opened the position and 244 reduced or closed it; over the same quarter, open-market insider Form 4 buying and selling roughly offset.
This fuses two public signals for the same quarter — how tracked institutions changed their positions and whether insiders bought or sold in the open market. It describes what was filed; it is a starting question, not a verdict or a signal to trade.
New buyers & exits
Funds opening or closing a position in GH between the 2025-Q4 and 2026-Q1 13F filings, and the largest changes among funds holding it in both. New buyers and exits are counted on fund presence (split-invariant); adds and trims are measured on reported value.
New buyers 34
- VANGUARD PORTFOLIO MANAGEMENT LLC$539M
- VANGUARD CAPITAL MANAGEMENT LLC$520M
- WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC$88M
- VANGUARD FIDUCIARY TRUST CO$82M
- T. Rowe Price Investment Management, Inc.$70M
- BRAIDWELL LP$46M
Full exits 47
- VANGUARD GROUP INC$1.2B
- TWO SIGMA ADVISERS, LP$243M
- Balyasny Asset Management L.P.$52M
- PBU - The Pension Fund of Early Childhood & Youth Educators$34M
- First Turn Management, LLC$28M
- MARSHALL WACE, LLP$17M
Largest adds
- TWO SIGMA INVESTMENTS, LP$169M
- GOLDMAN SACHS GROUP INC$141M
- FMR LLC$135M
- PRICE T ROWE ASSOCIATES INC /MD/$73M
- AMERICAN CENTURY COMPANIES INC$72M
- WESTFIELD CAPITAL MANAGEMENT CO LP$71M
Largest trims
- BlackRock, Inc.$367M
- BAILLIE GIFFORD & CO$143M
- Invesco Ltd.$104M
- JENNISON ASSOCIATES LLC$101M
- Point72 Asset Management, L.P.$89M
- Driehaus Capital Management LLC$78M
Institutional holders
One row per tracked fund, largest reported value first. “% of value” is the fund’s share of this security’s tracked institutional value — not of shares outstanding. Rows marked stale are from an earlier filing than the security’s latest quarter — that fund is absent from the newest snapshot (position exited, or reported under a different name).
| Fund | Shares | Reported value | % of value | Quarter |
|---|---|---|---|---|
| BlackRock, Inc. trimmed | 8,546,344 | $789M | 6.1% | 2026-Q1 |
| PRICE T ROWE ASSOCIATES INC /MD/ added | 7,023,689 | $649M | 5.0% | 2026-Q1 |
| VANGUARD PORTFOLIO MANAGEMENT LLC new | 5,837,992 | $539M | 4.1% | 2026-Q1 |
| VANGUARD CAPITAL MANAGEMENT LLC new | 5,624,180 | $520M | 4.0% | 2026-Q1 |
| Invesco Ltd. trimmed | 4,753,305 | $439M | 3.4% | 2026-Q1 |
| GOLDMAN SACHS GROUP INC added | 4,435,839 | $410M | 3.2% | 2026-Q1 |
| TWO SIGMA INVESTMENTS, LP added | 4,229,531 | $391M | 3.0% | 2026-Q1 |
| FMR LLC added | 4,114,256 | $380M | 2.9% | 2026-Q1 |
| BAILLIE GIFFORD & CO trimmed | 3,859,046 | $356M | 2.7% | 2026-Q1 |
| GEODE CAPITAL MANAGEMENT, LLC added | 3,508,883 | $324M | 2.5% | 2026-Q1 |
| Capital International Investors trimmed | 3,481,318 | $322M | 2.5% | 2026-Q1 |
| FRANKLIN RESOURCES INC added | 3,448,193 | $319M | 2.5% | 2026-Q1 |
| Deep Track Capital, LP added | 3,338,241 | $308M | 2.4% | 2026-Q1 |
| STATE STREET CORP added | 2,884,620 | $266M | 2.0% | 2026-Q1 |
| FULLER & THALER ASSET MANAGEMENT, INC. added | 2,550,314 | $236M | 1.8% | 2026-Q1 |
| EVENTIDE ASSET MANAGEMENT, LLC trimmed | 2,362,379 | $218M | 1.7% | 2026-Q1 |
| ALLIANCEBERNSTEIN L.P. added | 1,905,637 | $195M | 1.5% | 2026-Q1 |
| LORD, ABBETT & CO. LLC trimmed | 1,899,113 | $175M | 1.3% | 2026-Q1 |
| FEDERATED HERMES, INC. trimmed | 1,887,584 | $174M | 1.3% | 2026-Q1 |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC trimmed | 1,623,511 | $150M | 1.2% | 2026-Q1 |
| Driehaus Capital Management LLC trimmed | 1,524,282 | $141M | 1.1% | 2026-Q1 |
| Alyeska Investment Group, L.P. added | 1,489,566 | $138M | 1.1% | 2026-Q1 |
| MORGAN STANLEY added | 1,487,324 | $137M | 1.1% | 2026-Q1 |
| RTW INVESTMENTS, LP | 1,481,033 | $137M | 1.1% | 2026-Q1 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC trimmed | 1,451,803 | $134M | 1.0% | 2026-Q1 |
| AMERIPRISE FINANCIAL INC added | 1,414,886 | $131M | 1.0% | 2026-Q1 |
| UBS Group AG trimmed | 1,405,837 | $130M | 1.0% | 2026-Q1 |
| Bank of New York Mellon Corp added | 1,391,187 | $129M | 1.0% | 2026-Q1 |
| WESTFIELD CAPITAL MANAGEMENT CO LP added | 1,362,539 | $126M | 1.0% | 2026-Q1 |
| Hood River Capital Management LLC added | 1,310,065 | $121M | 0.9% | 2026-Q1 |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE added | 1,205,701 | $111M | 0.9% | 2026-Q1 |
| NORTHERN TRUST CORP added | 1,112,439 | $103M | 0.8% | 2026-Q1 |
| Temasek Holdings (Private) Ltd trimmed | 985,571 | $91M | 0.7% | 2026-Q1 |
| WELLINGTON MANAGEMENT GROUP LLP added | 970,841 | $90M | 0.7% | 2026-Q1 |
| WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC new | 951,114 | $88M | 0.7% | 2026-Q1 |
| MILLENNIUM MANAGEMENT LLC added | 921,395 | $85M | 0.7% | 2026-Q1 |
| BANK OF AMERICA CORP /DE/ trimmed | 895,221 | $83M | 0.6% | 2026-Q1 |
| VANGUARD FIDUCIARY TRUST CO new | 889,936 | $82M | 0.6% | 2026-Q1 |
| AMERICAN CENTURY COMPANIES INC added | 867,537 | $80M | 0.6% | 2026-Q1 |
| SUMMIT PARTNERS PUBLIC ASSET MANAGEMENT, LLC added | 862,915 | $80M | 0.6% | 2026-Q1 |
| EMERALD ADVISERS, LLC trimmed | 841,917 | $78M | 0.6% | 2026-Q1 |
| ADAGE CAPITAL PARTNERS GP, L.L.C. added | 816,095 | $75M | 0.6% | 2026-Q1 |
| Artisan Partners Limited Partnership added | 814,571 | $75M | 0.6% | 2026-Q1 |
| CADIAN CAPITAL MANAGEMENT, LP trimmed | 779,648 | $72M | 0.6% | 2026-Q1 |
| CITADEL ADVISORS LLC added | 775,941 | $72M | 0.6% | 2026-Q1 |
| Erste Asset Management GmbH trimmed | 815,917 | $70M | 0.5% | 2026-Q1 |
| T. Rowe Price Investment Management, Inc. trimmed | 755,707 | $70M | 0.5% | 2026-Q1 |
| Point72 Asset Management, L.P. trimmed | 695,940 | $64M | 0.5% | 2026-Q1 |
| FRED ALGER MANAGEMENT, LLC added | 622,259 | $57M | 0.4% | 2026-Q1 |
| Allspring Global Investments Holdings, LLC trimmed | 608,826 | $55M | 0.4% | 2026-Q1 |
| BNP PARIBAS FINANCIAL MARKETS trimmed | 572,650 | $53M | 0.4% | 2026-Q1 |
| NORGES BANK trimmed | 1,212,766 | $52M | 0.4% | 2026-Q1 |
| EMERALD MUTUAL FUND ADVISERS TRUST trimmed | 519,545 | $48M | 0.4% | 2026-Q1 |
| VOYA INVESTMENT MANAGEMENT LLC added | 505,034 | $47M | 0.4% | 2026-Q1 |
| BRAIDWELL LP trimmed | 499,712 | $46M | 0.4% | 2026-Q1 |
| ARK Investment Management LLC trimmed | 486,675 | $45M | 0.3% | 2026-Q1 |
| Sumitomo Mitsui Trust Group, Inc. trimmed | 483,767 | $45M | 0.3% | 2026-Q1 |
| Amova Asset Management Americas, Inc. trimmed | 483,557 | $45M | 0.3% | 2026-Q1 |
| Aristotle Atlantic Partners, LLC trimmed | 445,530 | $41M | 0.3% | 2026-Q1 |
| Nuveen, LLC trimmed | 438,357 | $40M | 0.3% | 2026-Q1 |
| ORBIMED ADVISORS LLC trimmed | 435,200 | $40M | 0.3% | 2026-Q1 |
| D. E. Shaw & Co., Inc. trimmed | 427,475 | $39M | 0.3% | 2026-Q1 |
| VICTORY CAPITAL MANAGEMENT INC added | 393,836 | $36M | 0.3% | 2026-Q1 |
| SEI INVESTMENTS CO added | 341,013 | $31M | 0.2% | 2026-Q1 |
| RENAISSANCE TECHNOLOGIES LLC trimmed | 337,600 | $31M | 0.2% | 2026-Q1 |
| BROWN ADVISORY INC added | 329,564 | $30M | 0.2% | 2026-Q1 |
| RAYMOND JAMES FINANCIAL INC added | 338,389 | $30M | 0.2% | 2026-Q1 |
| Casdin Capital, LLC trimmed | 315,000 | $29M | 0.2% | 2026-Q1 |
| Eagle Health Investments LP added | 310,281 | $29M | 0.2% | 2026-Q1 |
| Styrax Capital, LP added | 300,000 | $28M | 0.2% | 2026-Q1 |
| PERCEPTIVE ADVISORS LLC added | 300,000 | $28M | 0.2% | 2026-Q1 |
| Walleye Capital LLC added | 291,926 | $27M | 0.2% | 2026-Q1 |
| JPMORGAN CHASE & CO added | 304,317 | $26M | 0.2% | 2026-Q1 |
| First Light Asset Management, LLC trimmed | 280,299 | $26M | 0.2% | 2026-Q1 |
| DEUTSCHE BANK AG\ trimmed | 255,187 | $24M | 0.2% | 2026-Q1 |
| Connor, Clark & Lunn Investment Management Ltd. trimmed | 254,788 | $24M | 0.2% | 2026-Q1 |
| BARCLAYS PLC trimmed | 253,959 | $23M | 0.2% | 2026-Q1 |
| PICTON MAHONEY ASSET MANAGEMENT added | 249,991 | $23M | 0.2% | 2026-Q1 |
| SAMLYN CAPITAL, LLC new | 249,137 | $23M | 0.2% | 2026-Q1 |
| Universal- Beteiligungs- und Servicegesellschaft mbH trimmed | 244,051 | $23M | 0.2% | 2026-Q1 |
| Blue Water Life Science Advisors, LP trimmed | 242,247 | $22M | 0.2% | 2026-Q1 |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ added | 238,462 | $22M | 0.2% | 2026-Q1 |
| NOMURA ASSET MANAGEMENT INTERNATIONAL INC. added | 234,376 | $22M | 0.2% | 2026-Q1 |
| Sicart Associates LLC added | 230,103 | $21M | 0.2% | 2026-Q1 |
| SEGALL BRYANT & HAMILL, LLC trimmed | 236,347 | $21M | 0.2% | 2026-Q1 |
| Swiss National Bank added | 222,100 | $21M | 0.2% | 2026-Q1 |
| California Public Employees Retirement System added | 215,468 | $20M | 0.2% | 2026-Q1 |
| JENNISON ASSOCIATES LLC trimmed | 203,778 | $19M | 0.1% | 2026-Q1 |
| TD Asset Management Inc added | 195,300 | $18M | 0.1% | 2026-Q1 |
| Squarepoint Ops LLC added | 191,740 | $18M | 0.1% | 2026-Q1 |
| AGF MANAGEMENT LTD added | 189,952 | $18M | 0.1% | 2026-Q1 |
| VANGUARD GROUP INC added | 11,976,369 | $1.2B | 9.4% | 2025-Q4 stale |
| TWO SIGMA ADVISERS, LP added | 2,382,300 | $243M | 1.9% | 2025-Q4 stale |
| Balyasny Asset Management L.P. trimmed | 505,608 | $52M | 0.4% | 2025-Q4 stale |
| PBU - The Pension Fund of Early Childhood & Youth Educators new | 335,854 | $34M | 0.3% | 2025-Q4 stale |
| Railway Pension Investments Ltd | 620,878 | $32M | 0.2% | 2025-Q2 stale |
| First Turn Management, LLC trimmed | 271,685 | $28M | 0.2% | 2025-Q4 stale |
| Iron Triangle Partners LP added | 400,000 | $25M | 0.2% | 2025-Q3 stale |
| MPM BIOIMPACT LLC | 442,656 | $23M | 0.2% | 2025-Q2 stale |
| MACQUARIE GROUP LTD added | 328,049 | $20M | 0.2% | 2025-Q3 stale |
Ownership over time
Tracked institutional holder count and total shares held by filing quarter (independent scales). The curated-era tail and any mid-ingest latest quarter are handled honestly — a partial quarter is not drawn as a collapse.
Reading this table
Funds hold the same stock for different reasons — an index fund “holds” almost everything, an active manager sizes a name to a mandate and a benchmark, and each fund entered at its own price and time. Because 13F is filed up to 45 days after quarter-end, every row is a backward-looking snapshot; a manager may have traded since. Share-class siblings (a company’s A and C shares) are rolled up to one line so a dual-class name is never double-counted. Compare like-for-like. A large holder is not an endorsement, and a fund exiting is not a warning — this is a starting question, not a verdict.
About 13F filings
A Form 13F is a quarterly disclosure that institutional investment managers with over $100 million in US-listed equities must file with the SEC. In plain English: it is a snapshot of the long stock positions a fund held at the end of a quarter. It covers long US-listed equities only — not short positions, options, cash, or private holdings — and the funds shown are the large sample we track, not the complete 13F universe.