← All institutions
Institutional Holdings
AKTSOwnership Summary
Institutions Holding
119
Total Shares Held
34,148,824
Total Value Held
$1,009,857,120
Quarter
2026-06-30
Active Positions
Increased Positions
25
4,796,811 shares
Decreased Positions
14
9,856,796 shares
Held Positions
16
15,660,956 shares
New Positions
58
3,834,261 shares
Sold Out Positions
6
310,237 shares
| Institution | Shares | Value | Change | % of Portfolio | Reported |
|---|---|---|---|---|---|
| MPM BIOIMPACT LLC | 4,835,872 | $155,860,155 | Unchanged | 9.50% | 2026-06-30 |
| EcoR1 Capital, LLC | 4,824,469 | $155,492,636 | Unchanged | 7.56% | 2026-06-30 |
| Blue Owl Capital Holdings LP | 3,070,219 | $98,953,158 | ▼ -91,129 | 14.89% | 2026-06-30 |
| BlackRock, Inc. | 2,278,358 | $73,431,479 | ▲ +166,231 | 0.00% | 2026-06-30 |
| WELLINGTON MANAGEMENT GROUP LLP | 1,966,244 | $63,372,044 | ▼ -350,800 | 0.01% | 2026-06-30 |
| RTW INVESTMENTS, LP | 1,592,043 | $51,311,546 | Unchanged | 0.44% | 2026-06-30 |
| RA CAPITAL MANAGEMENT, L.P. | 1,314,405 | $42,363,273 | ▼ -188,679 | 0.37% | 2026-06-30 |
| Jupiter Topco LLC | 1,314,267 | $42,358,825 | New position | 0.02% | 2026-06-30 |
| BAKER BROS. ADVISORS LP | 996,351 | $32,112,393 | Unchanged | 0.16% | 2026-06-30 |
| Octagon Capital Advisors LP | 960,847 | $30,968,099 | Unchanged | 2.78% | 2026-06-30 |
| Merck & Co., Inc. | 952,844 | $30,710,162 | Unchanged | 5.83% | 2026-06-30 |
| VANGUARD CAPITAL MANAGEMENT LLC | 817,075 | $26,334,327 | New position | 0.00% | 2026-06-30 |
| TCG Crossover Management, LLC | 696,560 | $22,450,129 | New position | 0.54% | 2026-06-30 |
| GEODE CAPITAL MANAGEMENT, LLC | 520,737 | $16,787,478 | ▲ +28,801 | 0.00% | 2026-06-30 |
| EVENTIDE ASSET MANAGEMENT, LLC | 507,000 | $16,340,610 | Unchanged | 0.22% | 2026-06-30 |
| Avidity Partners Management LP | 484,200 | $15,605,766 | ▲ +15,634 | 2.50% | 2026-06-30 |
| STATE STREET CORP | 484,010 | $15,599,642 | ▲ +55,757 | 0.00% | 2026-06-30 |
| a16z Capital Management, L.L.C. | 415,000 | $13,375,450 | Unchanged | 0.09% | 2026-06-30 |
| Alyeska Investment Group, L.P. | 290,000 | $9,346,700 | Unchanged | 0.02% | 2026-06-30 |
| FMR LLC | 285,631 | $9,205,887 | ▼ -100,748 | 0.00% | 2026-06-30 |
| ArrowMark Colorado Holdings LLC | 245,872 | $7,924,455 | ▼ -83,599 | 0.33% | 2026-06-30 |
| NORTHERN TRUST CORP | 180,575 | $5,819,933 | ▲ +31,099 | 0.00% | 2026-06-30 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 166,842 | $5,377,318 | ▲ +4,825 | 0.00% | 2026-06-30 |
| BARCLAYS PLC | 151,696 | $4,889,163 | ▲ +141,972 | 0.00% | 2026-06-30 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 145,220 | $4,680,441 | New position | 0.00% | 2026-06-30 |
| VANGUARD FIDUCIARY TRUST CO | 133,834 | $4,313,470 | New position | 0.00% | 2026-06-30 |
| TD Asset Management Inc | 105,902 | $3,413,221 | ▲ +4,940 | 0.00% | 2026-06-30 |
| SOROS FUND MANAGEMENT LLC | 100,000 | $3,223,000 | Unchanged | 0.04% | 2026-06-30 |
| Woodline Partners LP | 100,000 | $3,223,000 | Unchanged | 0.01% | 2026-06-30 |
| UBS Group AG | 99,960 | $3,221,711 | ▼ -253,303 | 0.00% | 2026-06-30 |
| RENAISSANCE TECHNOLOGIES LLC | 95,400 | $3,074,742 | New position | 0.00% | 2026-06-30 |
| BANK OF AMERICA CORP /DE/ | 72,835 | $2,347,472 | ▲ +2,909 | 0.00% | 2026-06-30 |
| POLEN CAPITAL MANAGEMENT LLC | 63,514 | $2,047,056 | New position | 0.02% | 2026-06-30 |
| MORGAN STANLEY | 62,636 | $2,018,758 | ▲ +31,913 | 0.00% | 2026-06-30 |
| Tidal Investments LLC | 57,059 | $1,839,012 | New position | 0.00% | 2026-06-30 |
| RAYMOND JAMES FINANCIAL INC | 50,464 | $1,626,455 | New position | 0.00% | 2026-06-30 |
| Nuveen, LLC | 49,816 | $1,605,569 | ▲ +25,348 | 0.00% | 2026-06-30 |
| Bank of New York Mellon Corp | 49,250 | $1,587,324 | ▲ +6,349 | 0.00% | 2026-06-30 |
| AQR CAPITAL MANAGEMENT LLC | 48,123 | $1,551,005 | New position | 0.00% | 2026-06-30 |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE | 48,044 | $1,548,458 | ▲ +1,051 | 0.00% | 2026-06-30 |
| Quantinno Capital Management LP | 46,887 | $1,511,168 | New position | 0.00% | 2026-06-30 |
| GREAT LAKES ADVISORS, LLC | 43,612 | $1,405,615 | New position | 0.01% | 2026-06-30 |
| Mirador Capital Partners LP | 40,124 | $1,293,197 | New position | 0.16% | 2026-06-30 |
| Squarepoint Ops LLC | 38,381 | $1,237,020 | New position | 0.00% | 2026-06-30 |
| Jump Financial, LLC | 32,779 | $1,056,467 | New position | 0.01% | 2026-06-30 |
| Sofinnova Investments, Inc. | 32,436 | $1,045,412 | New position | 0.05% | 2026-06-30 |
| TWO SIGMA INVESTMENTS, LP | 30,914 | $996,358 | New position | 0.00% | 2026-06-30 |
| READYSTATE ASSET MANAGEMENT LP | 30,000 | $966,900 | Unchanged | 0.03% | 2026-06-30 |
| WELLS FARGO & COMPANY/MN | 27,659 | $891,450 | ▲ +20,048 | 0.00% | 2026-06-30 |
| RHUMBLINE ADVISERS | 26,945 | $868,429 | ▲ +5,912 | 0.00% | 2026-06-30 |
| CITADEL ADVISORS LLC | 25,537 | $823,058 | ▼ -49,463 | 0.00% | 2026-06-30 |
| Ghisallo Capital Management LLC | 25,000 | $805,750 | Unchanged | 0.02% | 2026-06-30 |
| SEVEN GRAND MANAGERS, LLC | 25,000 | $805,750 | Unchanged | 0.03% | 2026-06-30 |
| GOLDMAN SACHS GROUP INC | 21,278 | $685,790 | ▼ -8,885 | 0.00% | 2026-06-30 |
| DEUTSCHE BANK AG TAUNUSANLAGE 12 D-60325 | 21,022 | $677,539 | ▲ +6,942 | 0.00% | 2026-06-30 |
| AMERIPRISE FINANCIAL INC | 20,000 | $644,600 | New position | 0.00% | 2026-06-30 |
| Mariner, LLC | 17,770 | $572,697 | New position | 0.00% | 2026-06-30 |
| SEI INVESTMENTS CO | 16,402 | $528,515 | New position | 0.00% | 2026-06-30 |
| Virtus Investment Advisers, LLC | 14,920 | $480,872 | New position | 0.11% | 2026-06-30 |
| Invesco Ltd. | 14,908 | $480,485 | New position | 0.00% | 2026-06-30 |
| LOS ANGELES CAPITAL MANAGEMENT LLC | 14,379 | $463,435 | New position | 0.00% | 2026-06-30 |
| CITIGROUP INC | 13,177 | $424,695 | ▲ +12,158 | 0.00% | 2026-06-30 |
| MetLife Investment Management, LLC | 12,994 | $418,797 | ▲ +1,357 | 0.00% | 2026-06-30 |
| Caprock Group, LLC | 9,908 | $319,335 | New position | 0.01% | 2026-06-30 |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 9,769 | $314,855 | ▲ +118 | 0.00% | 2026-06-30 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 8,623 | $277,919 | New position | 0.00% | 2026-06-30 |
| JPMORGAN CHASE & CO | 8,835 | $266,021 | ▲ +480 | 0.00% | 2026-06-30 |
| Russell Investments Group, Ltd. | 7,754 | $249,911 | ▲ +6,203 | 0.00% | 2026-06-30 |
| NEW YORK STATE COMMON RETIREMENT FUND | 7,500 | $241,725 | ▲ +4,300 | 0.00% | 2026-06-30 |
| AXQ CAPITAL, LP | 7,020 | $226,255 | New position | 0.02% | 2026-06-30 |
| Vanguard Global Advisers, LLC | 6,886 | $221,936 | New position | 0.00% | 2026-06-30 |
| PNC Financial Services Group, Inc. | 6,140 | $197,893 | ▼ -808 | 0.00% | 2026-06-30 |
| Police & Firemen's Retirement System of New Jersey | 5,530 | $178,232 | Unchanged | 0.00% | 2026-06-30 |
| LANARK FINANCIAL, INC. | 5,358 | $172,688 | New position | 0.01% | 2026-06-30 |
| BNP PARIBAS FINANCIAL MARKETS | 3,280 | $105,714 | ▼ -1,200 | 0.00% | 2026-06-30 |
| STRS OHIO | 3,100 | $99,913 | ▼ -500 | 0.00% | 2026-06-30 |
| Tower Research Capital LLC (TRC) | 2,268 | $73,098 | ▲ +1,259 | 0.00% | 2026-06-30 |
| Pinnacle Wealth Planning Services, Inc. | 2,267 | $73,065 | New position | 0.01% | 2026-06-30 |
| Legal & General Group Plc | 2,062 | $66,623 | ▲ +236 | 0.00% | 2026-06-30 |
| T. Rowe Price Investment Management, Inc. | 2,051,447 | $66,119 | ▼ -72,365 | 0.04% | 2026-06-30 |
| Ameritas Investment Partners, Inc. | 1,925 | $62,043 | ▲ +242 | 0.00% | 2026-06-30 |
| SALEM INVESTMENT COUNSELORS INC | 1,000 | $32,230 | Unchanged | 0.00% | 2026-06-30 |
| State of Wyoming | 985 | $31,747 | New position | 0.00% | 2026-06-30 |
| ROYAL BANK OF CANADA | 797 | $25,000 | New position | 0.00% | 2026-06-30 |
| PRICE T ROWE ASSOCIATES INC /MD/ | 763,499 | $24,608 | ▼ -800,697 | 0.00% | 2026-06-30 |
| NATIONAL BANK OF CANADA /FI/ | 700 | $22,589 | New position | 0.00% | 2026-06-30 |
| FIFTH THIRD BANCORP | 576 | $18,576 | New position | 0.00% | 2026-06-30 |
| Rockefeller Capital Management L.P. | 397 | $12,795 | New position | 0.00% | 2026-06-30 |
| Global Retirement Partners, LLC | 395 | $12,731 | New position | 0.00% | 2026-06-30 |
| Arax Advisory Partners | 385 | $12,408 | New position | 0.00% | 2026-06-30 |
| Integrated Wealth Concepts LLC | 310 | $9,991 | New position | 0.00% | 2026-06-30 |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM | 288 | $9,282 | New position | 0.00% | 2026-06-30 |
| Federation des caisses Desjardins du Quebec | 250 | $8,057 | New position | 0.00% | 2026-06-30 |
| Sterling Capital Management LLC | 184 | $5,930 | ▼ -209 | 0.00% | 2026-06-30 |
| Allworth Financial LP | 124 | $3,997 | New position | 0.00% | 2026-06-30 |
| IFP Advisors, Inc | 101 | $3,255 | New position | 0.00% | 2026-06-30 |
| EverSource Wealth Advisors, LLC | 80 | $2,578 | New position | 0.00% | 2026-06-30 |
| Farther Finance Advisors, LLC | 77 | $2,414 | New position | 0.00% | 2026-06-30 |
| HM PAYSON & CO | 74 | $2,386 | New position | 0.00% | 2026-06-30 |
| ROTHSCHILD INVESTMENT LLC | 39 | $1,257 | New position | 0.00% | 2026-06-30 |
| Quarry LP | 34 | $1,096 | New position | 0.00% | 2026-06-30 |
| SJS Investment Consulting Inc. | 33 | $1,064 | New position | 0.00% | 2026-06-30 |
| CoreCap Advisors, LLC | 29 | $935 | New position | 0.00% | 2026-06-30 |
| WPG Advisers, LLC | 25 | $806 | New position | 0.00% | 2026-06-30 |
| FWL INVESTMENT MANAGEMENT, LLC | 23 | $741 | New position | 0.00% | 2026-06-30 |
| GAMMA Investing LLC | 20 | $645 | New position | 0.00% | 2026-06-30 |
| Rossby Financial, LCC | 18 | $580 | New position | 0.00% | 2026-06-30 |
| Caitong International Asset Management Co., Ltd | 8 | $258 | New position | 0.00% | 2026-06-30 |
| Clearstead Advisors, LLC | 6 | $195 | New position | 0.00% | 2026-06-30 |
| Essential Partners LLC | 4 | $129 | New position | 0.00% | 2026-06-30 |
| SG Americas Securities, LLC | 3,368 | $109 | New position | 0.00% | 2026-06-30 |
| Freestone Grove Partners LP | 2 | $64 | New position | 0.00% | 2026-06-30 |
| Covestor Ltd | 23 | $1 | New position | 0.00% | 2026-06-30 |
| Driehaus Capital Management LLC | 0 | $0 | Sold out | 2026-06-30 | |
| Laurion Capital Management LP | 0 | $0 | Sold out | 2026-06-30 | |
| D. E. Shaw & Co., Inc. | 0 | $0 | Sold out | 2026-06-30 | |
| Zimmer Partners, LP | 0 | $0 | Sold out | 2026-06-30 | |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 0 | $0 | Sold out | 2026-06-30 | |
| XTX Topco Ltd | 0 | $0 | Sold out | 2026-06-30 |