GRITSTONE BIO INC GRTS
COM · Common Stock · CUSIP 39868T105
89
institutional holders
-3 vs Q1 2023
51.0m
shares reported held*
$99.5mreported value*
24 new
26 added
25 reduced
27 sold out
net bought ≈ $7.6m (+4.0m shares)
* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once ($12 this quarter). Holder counts are more reliable. Implied quarter-end price ≈ $1.95. Options: 5 managers hold calls ($991.2k notional), 5 hold puts ($79.3k).
Trends to Q2 2023
Institutional holders
Managers reporting a position, each quarter
Numbers
| Quarter | Holders |
|---|---|
| Q3 2022 | 79 |
| Q4 2022 | 92 |
| Q1 2023 | 92 |
| Q2 2023 | 89 |
Buyers vs sellers
Managers adding to or starting a position, vs cutting or selling out
Bought or addedCut or sold out
Numbers
| Quarter | Bought or added | Cut or sold out |
|---|---|---|
| Q4 2022 | 52 | 35 |
| Q1 2023 | 49 | 35 |
| Q2 2023 | 50 | 52 |
Calls vs puts
Options held, notional value, last 4 quarters. P/C = puts ÷ calls
CallsPuts
Numbers
| Quarter | Calls | Puts | P/C |
|---|---|---|---|
| Q3 2022 | $374.0k | $285.0k | 0.76 |
| Q4 2022 | $1.0m | $222.2k | 0.22 |
| Q1 2023 | $1.8m | $969.2k | 0.54 |
| Q2 2023 | $991.2k | $79.3k | 0.08 |
Biggest buyers
| BlackRock Inc. | Added | +4.3m |
| Avidity Partners Management LP | New | +2.8m |
| STATE STREET CORP | Added | +1.2m |
| GEODE CAPITAL MANAGEMENT, LLC | Added | +931.5k |
| Ensign Peak Advisors, Inc | Added | +677.4k |
| MILLENNIUM MANAGEMENT LLC | Added | +584.2k |
| NORTHERN TRUST CORP | Added | +557.9k |
| VANGUARD GROUP INC | Added | +388.1k |
| Houlihan Financial Resource Group, Ltd. | New | +360.0k |
| Nuveen Asset Management, LLC | New | +341.4k |
Biggest sellers
| Frazier Life Sciences Management, L.P. | Reduced | -2.8m |
| BANK OF AMERICA CORP /DE/ | Reduced | -1.0m |
| FMR LLC | Reduced | -806.7k |
| Endurant Capital Management LP | Sold out | -540.7k |
| Balyasny Asset Management L.P. | Reduced | -491.0k |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Reduced | -469.3k |
| MARSHALL WACE, LLP | Sold out | -422.0k |
| JANE STREET GROUP, LLC | Reduced | -383.6k |
| JACOBS LEVY EQUITY MANAGEMENT, INC | Sold out | -296.3k |
| Assenagon Asset Management S.A. | Reduced | -290.1k |
Biggest calls
| GROUP ONE TRADING LLC | Reduced | $751.5k385.4k shares |
| SIMPLEX TRADING, LLC | Added | $94.0k48.3k shares |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | New | $86.0k44.1k shares |
| CITADEL ADVISORS LLC | Reduced | $59.7k30.6k shares |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | Unchanged | $00 shares |
Biggest puts
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Reduced | $34.9k17.9k shares |
| CITADEL ADVISORS LLC | Reduced | $31.0k15.9k shares |
| SIMPLEX TRADING, LLC | Reduced | $7.0k3.8k shares |
| GROUP ONE TRADING LLC | Reduced | $6.4k3.3k shares |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | Unchanged | $00 shares |
Options at notional value: the value of the shares the contracts control, as filers report them, not what the options cost. Not included in the holders, shares or buying above.
Holders, Q2 2023
| Manager | Shares | Change |
|---|---|---|
| Point72 Asset Management, L.P. 0.05% of their portfolio | 7.6m $14.8m | Reduced -106.2k |
| Redmile Group, LLC 0.51% of their portfolio | 6.9m $13.4m | Reduced -66.7k |
| BlackRock Inc. 0.00% of their portfolio | 6.2m $12.1m | Added +4.3m |
| VANGUARD GROUP INC 0.00% of their portfolio | 4.0m $7.9m | Added +388.1k |
| Versant Venture Management, LLC 8.24% of their portfolio | 3.6m $6.9m | Unchanged |
| Avidity Partners Management LP 0.19% of their portfolio | 2.8m $5.4m | New |
| Frazier Life Sciences Management, L.P. 0.28% of their portfolio | 2.4m $4.7m | Reduced -2.8m |
| Balyasny Asset Management L.P. 0.01% of their portfolio | 1.9m $3.7m | Reduced -491.0k |
| MORGAN STANLEY 0.00% of their portfolio | 1.8m $3.5m | Reduced -55.2k |
| GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio | 1.7m $3.3m | Added +931.5k |
| STATE STREET CORP 0.00% of their portfolio | 1.5m $2.9m | Added +1.2m |
| MILLENNIUM MANAGEMENT LLC 0.00% of their portfolio | 1.3m $2.5m | Added +584.2k |
| Assenagon Asset Management S.A. 0.01% of their portfolio | 1.2m $2.4m | Reduced -290.1k |
| Ensign Peak Advisors, Inc 0.00% of their portfolio | 797.9k $1.6m | Added +677.4k |
| FMR LLC 0.00% of their portfolio | 790.3k $1.5m | Reduced -806.7k |
| NORTHERN TRUST CORP 0.00% of their portfolio | 710.5k $1.4m | Added +557.9k |
| Palo Alto Investors LP 0.10% of their portfolio | 666.1k $1.3m | Unchanged |
| CITADEL ADVISORS LLC 0.00% of their portfolio | 440.3k $858.7k | Reduced -117.4k |
| Houlihan Financial Resource Group, Ltd. 0.03% of their portfolio | 360.0k $816.0k | New |
| Nuveen Asset Management, LLC 0.00% of their portfolio | 341.4k $665.8k | New |
| BOOTHBAY FUND MANAGEMENT, LLC 0.02% of their portfolio | 301.9k $588.8k | Added +53.1k |
| Bank of New York Mellon Corp 0.00% of their portfolio | 289.9k $565.4k | Added +240.9k |
| UBS Group AG 0.00% of their portfolio | 267.3k $521.3k | Added +54.4k |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.00% of their portfolio | 234.6k $457.6k | Added +200.6k |
| DIMENSIONAL FUND ADVISORS LP 0.00% of their portfolio | 204.5k $398.7k | Reduced -119.9k |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC 0.01% of their portfolio | 193.9k $378.1k | Added +11.0k |
| CAPTRUST FINANCIAL ADVISORS 0.00% of their portfolio | 181.9k $354.8k | Reduced -5.0k |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.00% of their portfolio | 174.9k $341.0k | Reduced -469.3k |
| GROUP ONE TRADING LLC 0.01% of their portfolio | 169.5k $330.5k | Reduced -17.9k |
| GSA CAPITAL PARTNERS LLP 0.03% of their portfolio | 136.1k $265.0k | New |
| GOLDMAN SACHS GROUP INC 0.00% of their portfolio | 130.2k $253.9k | Reduced -145.5k |
| RHUMBLINE ADVISERS 0.00% of their portfolio | 130.1k $253.6k | New |
| PANAGORA ASSET MANAGEMENT INC 0.00% of their portfolio | 115.0k $224.2k | New |
| Artia Global Partners LP 0.06% of their portfolio | 95.2k $185.6k | New |
| CORNERCAP INVESTMENT COUNSEL INC 0.03% of their portfolio | 77.8k $151.8k | Added +802 |
| SkyOak Wealth, LLC 0.04% of their portfolio | 74.3k $144.9k | Reduced -52.4k |
| JPMORGAN CHASE & CO 0.00% of their portfolio | 71.1k $138.7k | Added +36.0k |
| STIFEL FINANCIAL CORP 0.00% of their portfolio | 69.6k $135.8k | Reduced -352 |
| XTX Topco Ltd 0.02% of their portfolio | 66.1k $129.0k | New |
| PRICE T ROWE ASSOCIATES INC /MD/ 0.00% of their portfolio | 64.7k $127.0k | Added +17.8k |
| Invesco Ltd. 0.00% of their portfolio | 52.7k $102.8k | New |
| MetLife Investment Management, LLC 0.00% of their portfolio | 46.7k $91.1k | New |
| WELLS FARGO & COMPANY/MN 0.00% of their portfolio | 45.0k $87.7k | Added +32.9k |
| Worth Venture Partners, LLC 0.05% of their portfolio | 43.8k $85.4k | Added +5.4k |
| HighTower Advisors, LLC 0.00% of their portfolio | 42.3k $83.0k | Added +15.0k |
| AMERICAN INTERNATIONAL GROUP, INC. 0.00% of their portfolio | 42.2k $82.4k | New |
| BANK OF AMERICA CORP /DE/ 0.00% of their portfolio | 41.7k $81.3k | Reduced -1.0m |
| NEW YORK STATE COMMON RETIREMENT FUND 0.00% of their portfolio | 40.4k $78.8k | New |
| BARCLAYS PLC 0.00% of their portfolio | 38.7k $75.4k | Reduced -34.0k |
| AMERICAN CENTURY COMPANIES INC 0.00% of their portfolio | 38.0k $74.2k | Added +18.8k |
| Graham Capital Management, L.P. 0.00% of their portfolio | 37.0k $72.1k | New |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE 0.00% of their portfolio | 36.6k $71.4k | New |
| TWO SIGMA INVESTMENTS, LP 0.00% of their portfolio | 36.2k $70.6k | Reduced -46.7k |
| VOYA INVESTMENT MANAGEMENT LLC 0.00% of their portfolio | 35.6k $69.4k | New |
| SUSQUEHANNA FUNDAMENTAL INVESTMENTS, LLC 0.00% of their portfolio | 30.5k $59.6k | Unchanged |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.00% of their portfolio | 29.2k $56.9k | New |
| CITIGROUP INC 0.00% of their portfolio | 27.6k $53.9k | Reduced -154.8k |
| Raymond James Financial Services Advisors, Inc. 0.00% of their portfolio | 26.0k $50.6k | Unchanged |
| STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM 0.00% of their portfolio | 24.9k $48.6k | New |
| Creative Planning 0.00% of their portfolio | 24.9k $48.6k | Added +2.2k |
| ROYAL BANK OF CANADA 0.00% of their portfolio | 24.5k $48.0k | Added +6.8k |
| BNP PARIBAS FINANCIAL MARKETS 0.00% of their portfolio | 22.9k $44.7k | Added +22.3k |
| Kingsview Wealth Management, LLC 0.00% of their portfolio | 19.0k $37.0k | Reduced -9.0k |
| ALLIANCEBERNSTEIN L.P. 0.00% of their portfolio | 18.0k $35.1k | New |
| ProShare Advisors LLC 0.00% of their portfolio | 17.2k $33.5k | New |
| JANE STREET GROUP, LLC 0.00% of their portfolio | 17.0k $33.2k | Reduced -383.6k |
| Engineers Gate Manager LP 0.00% of their portfolio | 16.8k $32.8k | New |
| Integrated Wealth Concepts LLC 0.00% of their portfolio | 15.0k $29.3k | Added +3.0k |
| Fairhaven Wealth Management, LLC 0.01% of their portfolio | 12.0k $23.4k | First filing |
| Bayesian Capital Management, LP 0.00% of their portfolio | 11.4k $22.2k | Reduced -12.9k |
| PNC Financial Services Group, Inc. 0.00% of their portfolio | 10.0k $19.5k | Unchanged |
| Forum Financial Management, LP 0.00% of their portfolio | 10.0k $19.5k | Unchanged |
| AMALGAMATED BANK 0.00% of their portfolio | 8.5k $17.0k | New |
| Legal & General Group Plc 0.00% of their portfolio | 8.4k $16.5k | New |
| Ameritas Investment Partners, Inc. 0.00% of their portfolio | 7.2k $14.1k | New |
| Tower Research Capital LLC (TRC) 0.00% of their portfolio | 6.1k $11.8k | Reduced -623 |
| Sugarloaf Wealth Management, LLC 0.00% of their portfolio | 6.0k $11.6k | Added +245 |
| Zurcher Kantonalbank (Zurich Cantonalbank) 0.00% of their portfolio | 5.7k $11.2k | Reduced -1.7k |
| LAZARD ASSET MANAGEMENT LLC 0.00% of their portfolio | 5.6k $10.0k | Added +149 |
| Metropolitan Life Insurance Co/NY 0.00% of their portfolio | 4.8k $9.4k | New |
| FinTrust Capital Advisors, LLC 0.00% of their portfolio | 4.0k $13.8k | Unchanged |
| NewEdge Advisors, LLC 0.00% of their portfolio | 1.8k $3.4k | Unchanged |
| China Universal Asset Management Co., Ltd. 0.00% of their portfolio | 1.2k $2.3k | Added +36 |
| CARY STREET PARTNERS INVESTMENT ADVISORY LLC 0.00% of their portfolio | 1.0k $1.9k | Unchanged |
| OSAIC HOLDINGS, INC. 0.00% of their portfolio | 500 $975 | Unchanged |
| Daiwa Securities Group Inc. 0.00% of their portfolio | 198 $0 | Unchanged |
| Allworth Financial LP 0.00% of their portfolio | 100 $195 | Unchanged |
| Cubist Systematic Strategies, LLC 0.00% of their portfolio | 6 $12 | Reduced -17.7k |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. 0.00% of their portfolio | 0 $0 | Unchanged |