Guardant Health, Inc.: which funds bought and sold
Institutions that bought and sold Guardant Health shares in Q2 2026, from the holdings they reported to the SEC on Form 13F for March 31, 2026 and June 30, 2026.
Between March 31, 2026 and June 30, 2026, 343 institutions that filed 13F reports for both quarters added to or opened positions in Guardant Health, and 218 cut or closed them. Together they sold a net 3.2M shares, −2.3% on what they held at the start of the quarter. Active managers and hedge funds on our list were net buyers of 876K shares (+1.6%); index fund managers were net sellers of 6.3M shares (−19.2%). 144 opened a new position and 41 sold out entirely.
Bought, Q2 2026 343 institutions, 144 of them new holders Sold, Q2 2026 218 institutions, 41 of them sold out
Net change, all compared −3.2M shares (−2.3%)
Net change, active managers +876K shares (+1.6%), 52 bought, 37 sold
Buyers versus sellers
343 bought 59 218 sold
Active managers and hedge funds 52 bought · 37 sold · +876K
Index fund managers 3 bought · 8 sold · −6.3M
Other institutions 288 bought · 173 sold · +2.3M
Biggest buyers
| Institution | Change in shares | Shares June 30, 2026 | Value |
|---|---|---|---|
| Jane Street Group, LLC | +1.8M +37031.9% | 1.8M | $268M |
| Ameriprise Financial Inc | +1.7M +122.7% | 3.2M | $473M |
| FMR LLC Active manager | +1.4M +33.3% | 5.5M | $823M |
| D. E. Shaw & Co., Inc. Hedge fund | +828K +193.7% | 1.3M | $188M |
| HRT Financial LP | +704K New position | 704K | $106M |
| Millennium Management LLC Hedge fund | +701K +76.1% | 1.6M | $243M |
| Citadel Advisors LLC Hedge fund | +674K +86.8% | 1.4M | $217M |
| Artisan Partners Limited Partnership Active manager | +664K +81.6% | 1.5M | $222M |
| Susquehanna International Group, LLP | +568K +747.7% | 644K | $96.6M |
| Squarepoint Ops LLC Hedge fund | +388K +202.6% | 580K | $87M |
| 1832 Asset Management L.P. | +369K New position | 369K | $55.4M |
| William Blair Investment Management, LLC Active manager | +360K +37.9% | 1.3M | $197M |
| Arrowstreet Capital, Limited Partnership Hedge fund | +342K New position | 342K | $51.2M |
| Farallon Capital Management, L.L.C. Hedge fund | +314K +3927.5% | 322K | $48.3M |
| Samlyn Capital, LLC Hedge fund | +313K +125.5% | 562K | $84.3M |
| Clearbridge Investments, LLC Active manager | +280K New position | 280K | $42.1M |
| Westfield Capital Management Co LP Active manager | +262K +19.2% | 1.6M | $244M |
| Stephens Investment Management Group LLC | +254K New position | 254K | $38.2M |
| Jpmorgan Chase & Co | +245K +80.4% | 549K | $85.3M |
| Point72 Asset Management, L.P. Hedge fund | +225K +32.3% | 921K | $138M |
| Institution | Change in shares | Shares June 30, 2026 | Value |
|---|---|---|---|
| FMR LLC Active manager | +1.4M +33.3% | 5.5M | $823M |
| D. E. Shaw & Co., Inc. Hedge fund | +828K +193.7% | 1.3M | $188M |
| Millennium Management LLC Hedge fund | +701K +76.1% | 1.6M | $243M |
| Citadel Advisors LLC Hedge fund | +674K +86.8% | 1.4M | $217M |
| Artisan Partners Limited Partnership Active manager | +664K +81.6% | 1.5M | $222M |
| Squarepoint Ops LLC Hedge fund | +388K +202.6% | 580K | $87M |
| William Blair Investment Management, LLC Active manager | +360K +37.9% | 1.3M | $197M |
| Arrowstreet Capital, Limited Partnership Hedge fund | +342K New position | 342K | $51.2M |
| Farallon Capital Management, L.L.C. Hedge fund | +314K +3927.5% | 322K | $48.3M |
| Samlyn Capital, LLC Hedge fund | +313K +125.5% | 562K | $84.3M |
Biggest sellers
| Institution | Change in shares | Shares June 30, 2026 | Value |
|---|---|---|---|
| Blackrock, Inc. Index funds | −3.9M −34.0% | 7.6M | $1.1B |
| Baillie Gifford & Co Active manager | −1.6M −40.8% | 2.3M | $343M |
| Geode Capital Management, LLC Index funds | −987K −28.1% | 2.5M | $378M |
| Alyeska Investment Group, L.P. Hedge fund | −842K −56.5% | 648K | $97.2M |
| T. Rowe Price Investment Management, Inc. Active manager | −738K −97.6% | 18K | $2.7M |
| Goldman Sachs Group Inc | −660K −14.9% | 3.8M | $566M |
| State Street Corp Index funds | −621K −21.5% | 2.3M | $340M |
| UBS Group AG | −540K −38.4% | 866K | $130M |
| Invesco Ltd. | −517K −10.4% | 4.4M | $665M |
| Alliancebernstein L.P. Active manager | −510K −26.8% | 1.4M | $129M |
| Two Sigma Investments, LP Hedge fund | −510K −12.1% | 3.7M | $558M |
| Price T Rowe Associates Inc Active manager | −509K −7.2% | 6.5M | $977M |
| Emerald Advisers, LLC | −478K −56.8% | 364K | $54.6M |
| Adage Capital Partners Gp, L.L.C. Hedge fund | −444K −54.4% | 372K | $55.8M |
| Eventide Asset Management, LLC | −405K −17.1% | 2.0M | $294M |
| Morgan Stanley | −399K −26.8% | 1.1M | $163M |
| Bank Of New York Mellon Corp | −396K −28.5% | 995K | $149M |
| BNP Paribas Financial Markets | −393K −68.7% | 179K | $26.9M |
| Vanguard Portfolio Management LLC Index funds | −392K −6.7% | 5.4M | $817M |
| Northern Trust Corp Index funds | −369K −33.1% | 744K | $112M |
| Institution | Change in shares | Shares June 30, 2026 | Value |
|---|---|---|---|
| Baillie Gifford & Co Active manager | −1.6M −40.8% | 2.3M | $343M |
| Alyeska Investment Group, L.P. Hedge fund | −842K −56.5% | 648K | $97.2M |
| T. Rowe Price Investment Management, Inc. Active manager | −738K −97.6% | 18K | $2.7M |
| Alliancebernstein L.P. Active manager | −510K −26.8% | 1.4M | $129M |
| Two Sigma Investments, LP Hedge fund | −510K −12.1% | 3.7M | $558M |
| Price T Rowe Associates Inc Active manager | −509K −7.2% | 6.5M | $977M |
| Adage Capital Partners Gp, L.L.C. Hedge fund | −444K −54.4% | 372K | $55.8M |
| Braidwell LP Hedge fund | −352K −70.4% | 148K | $22.2M |
| Wellington Management Group LLP Active manager | −351K −36.1% | 622K | $93.2M |
| Renaissance Technologies LLC Hedge fund | −338K Sold out | 0 | — |
New positions
| Institution | Shares | Value June 30, 2026 |
|---|---|---|
| HRT Financial LP | 704K | $106M |
| 1832 Asset Management L.P. | 369K | $55.4M |
| Arrowstreet Capital, Limited PartnershipHedge fund | 342K | $51.2M |
| Clearbridge Investments, LLCActive manager | 280K | $42.1M |
| Stephens Investment Management Group LLC | 254K | $38.2M |
| Science & Technology Partners, L.P. | 209K | $31.3M |
| Tremblant Capital GroupHedge fund | 198K | $29.7M |
| Marshall Wace, LLPHedge fund | 185K | $27.8M |
| Qube Research & Technologies LtdHedge fund | 156K | $23.4M |
| Balyasny Asset Management L.P.Hedge fund | 124K | $18.7M |
Sold out
| Institution | Shares | Value March 31, 2026 |
|---|---|---|
| Renaissance Technologies LLCHedge fund | 338K | $31.2M |
| Styrax Capital, LP | 300K | $27.7M |
| AGF Management Ltd | 190K | $17.5M |
| Burkehill Global Management, LPHedge fund | 150K | $13.9M |
| Caption Management, LLC | 115K | $10.6M |
| Aberdeen Group PLC | 90K | $8.3M |
| Mackenzie Financial Corp | 59K | $5.5M |
| Ossiam | 45K | $4.1M |
| Seven Grand Managers, LLC | 40K | $3.7M |
| Edgestream Partners, L.P.Hedge fund | 32K | $3M |
Who holds the shares
- Institutions reporting
- 590
- Ten largest holders
- 37.0% of 13F-reported shares
- Index fund managers
- 20.0% of 13F-reported shares
- Active managers and hedge funds
- 41.3% of 13F-reported shares
| Type | Bought | Sold | New | Sold out | Net change in shares | Net % |
|---|---|---|---|---|---|---|
| Active managers and hedge funds | 52 | 37 | 21 | 5 | +876K | +1.6% |
| Index fund managers | 3 | 8 | 0 | 0 | −6.3M | −19.2% |
| Other institutions | 288 | 173 | 123 | 36 | +2.3M | +4.8% |