First-hand SEC EDGAR 13F-HR institutional holdings: the top 25 holders ranked by market value, plus the largest adds and trims this quarter. Quarter 2026-03-31.
| Filer | Shares | Market Value | Δ Shares | Change |
|---|---|---|---|---|
Merck & Co., Inc.CIK 0000310158 | 14,044,943 | $89.47M | – | no_change |
Lightspeed Management Company, L.L.C.CIK 0001702122 | 8,160,734 | $51.98M | – | no_change |
ARK Investment Management LLCCIK 0001697748 | 7,944,112 | $50.60M | +65,025 | ↑ INC |
AMERIPRISE FINANCIAL INCCIK 0000820027 | 7,592,807 | $48.37M | +1,305,656 | ↑ INC |
BlackRock, Inc.CIK 0002012383 | 5,389,885 | $34.33M | +70,377 | ↑ INC |
Aberdeen Group plcCIK 0001716774 | 3,488,308 | $22.22M | +238,413 | ↑ INC |
Deep Track Capital, LPCIK 0001856083 | 3,000,000 | $19.11M | +3,000,000 | NEW |
AIGH Capital Management LLCCIK 0001835943 | 2,900,000 | $18.47M | – | no_change |
VANGUARD CAPITAL MANAGEMENT LLCCIK 0002100119 | 2,868,463 | $18.27M | +2,868,463 | NEW |
KENNEDY CAPITAL MANAGEMENT LLCCIK 0000884589 | 2,183,572 | $13.91M | +470,920 | ↑ INC |
Blue Water Life Science Advisors, LPCIK 0001789778 | 1,676,300 | $10.68M | – | no_change |
Casdin Capital, LLCCIK 0001534261 | 1,600,000 | $10.19M | +1,600,000 | NEW |
GEODE CAPITAL MANAGEMENT, LLCCIK 0001214717 | 1,297,655 | $8.27M | -152 | ↓ DEC |
STATE STREET CORPCIK 0000093751 | 1,134,170 | $7.22M | +83,580 | ↑ INC |
DIMENSIONAL FUND ADVISORS LPCIK 0000354204 | 1,066,248 | $6.79M | +83,074 | ↑ INC |
GOLDMAN SACHS GROUP INCCIK 0000886982 | 737,132 | $4.70M | +394,657 | ↑ INC |
Portolan Capital Management, LLCCIK 0001350290 | 736,713 | $4.69M | +357,516 | ↑ INC |
JPMORGAN CHASE & COCIK 0000019617 | 575,490 | $3.59M | +548,774 | ↑ INC |
VANGUARD PORTFOLIO MANAGEMENT LLCCIK 0002100121 | 560,539 | $3.57M | +560,539 | NEW |
HOWLAND CAPITAL MANAGEMENT LLCCIK 0001079112 | 547,115 | $3.49M | – | no_change |
STATE OF MICHIGAN RETIREMENT SYSTEMCIK 0000762152 | 493,798 | $3.15M | – | no_change |
Sumitomo Mitsui Trust Group, Inc.CIK 0001475365 | 484,270 | $3.08M | -34,171 | ↓ DEC |
Amova Asset Management Americas, Inc.CIK 0001480751 | 484,270 | $3.08M | -34,171 | ↓ DEC |
MILLENNIUM MANAGEMENT LLCCIK 0001273087 | 419,128 | $2.67M | -791,626 | ↓ DEC |
NORTHERN TRUST CORPCIK 0000073124 | 405,800 | $2.58M | +50,882 | ↑ INC |
| Filer | Δ Shares | Value |
|---|---|---|
Deep Track Capital, LPNEW | +3,000,000 | $19.11M |
VANGUARD CAPITAL MANAGEMENT LLCNEW | +2,868,463 | $18.27M |
T. Rowe Price Investment Management, Inc.↑ INC | +2,820,054 | $30.31K |
Casdin Capital, LLCNEW | +1,600,000 | $10.19M |
AMERIPRISE FINANCIAL INC↑ INC | +1,305,656 | $48.37M |
VANGUARD PORTFOLIO MANAGEMENT LLCNEW | +560,539 | $3.57M |
JPMORGAN CHASE & CO↑ INC | +548,774 | $3.59M |
KENNEDY CAPITAL MANAGEMENT LLC↑ INC | +470,920 | $13.91M |
GOLDMAN SACHS GROUP INC↑ INC | +394,657 | $4.70M |
Portolan Capital Management, LLC↑ INC | +357,516 | $4.69M |
| Filer | Δ Shares | Value |
|---|---|---|
MILLENNIUM MANAGEMENT LLC↓ DEC | -791,626 | $2.67M |
JANE STREET GROUP, LLC↓ DEC | -223,066 | $226.13K |
TD ASSET MANAGEMENT INC↓ DEC | -166,198 | $673.17K |
FIRST MANHATTAN CO. LLC.↓ DEC | -143,222 | $1.47M |
CITADEL ADVISORS LLC↓ DEC | -92,262 | $253.53K |
RENAISSANCE TECHNOLOGIES LLC↓ DEC | -77,794 | $96.82K |
BARCLAYS PLC↓ DEC | -68,374 | $328.54K |
NANO CAP NEW MILLENNIUM GROWTH FUND L P↓ DEC | -55,000 | $1.50M |
Quantbot Technologies LP↓ DEC | -36,719 | $14.26K |
WELLS FARGO & COMPANY/MN↓ DEC | -35,276 | $184.57K |