Who Owns Personalis, Inc. (PSNL)?Hedge Fund & Institutional Holders
Institutional Holders
50
as of Q4 2025
Total Institutional Value
$InfinityT
% of Float Held
2.6619694619439255e+280%
QoQ Change in Holders
+11 / -1
Price History
PSNL — Biggest New Institutional Buyers This Quarter
| Fund | Action | Shares Added | Value Added |
|---|---|---|---|
| AMERIPRISE FINANCIAL INC | Increased | +6.0M | +$46.1B |
| AIGH Capital Management LLC | New Position | +2.9M | +$23.1B |
| Aberdeen Group plc | Increased | +862K | +$10.3B |
| PFM Health Sciences, LP | New Position | +806K | +$6.4B |
| NEXT CENTURY GROWTH INVESTORS LLC | New Position | +624K | +$5.0B |
| HOWLAND CAPITAL MANAGEMENT LLC | New Position | +547K | +$4.4B |
| Sumitomo Mitsui Trust Group, Inc. | New Position | +518K | +$4.1B |
| STATE OF MICHIGAN RETIREMENT SYSTEM | New Position | +494K | +$3.9B |
| Portolan Capital Management, LLC | New Position | +379K | +$3.0B |
| Wellington Shields & Co., LLC | New Position | +292K | +$2.3B |
| IQ EQ FUND MANAGEMENT (IRELAND) Ltd | New Position | +268K | +$2.1B |
| FIRST MANHATTAN CO. LLC. | New Position | +374K | +$2.0B |
| TD ASSET MANAGEMENT INC | Increased | +217K | +$1.6B |
| ORACLE INVESTMENT MANAGEMENT INC | Increased | +110K | +$1.2B |
| D.A. DAVIDSON & CO. | New Position | +146K | +$1.2B |
PSNL — Institutions Reducing or Closing Positions
| Fund | Action | Shares Sold | Value Sold |
|---|---|---|---|
| MILLENNIUM MANAGEMENT LLC | Closed Position | -1.2M | -$7.9B |
| RENAISSANCE TECHNOLOGIES LLC | Decreased | -360K | -$3.0B |
| GOLDMAN SACHS GROUP INC | Decreased | -232K | -$1.7B |
| ROYAL BANK OF CANADA | Decreased | -75K | -$1.0B |
| LPL Financial LLC | Decreased | -2K | -$873.3M |
| Brooklyn Investment Group | Decreased | -99K | -$723.0M |
| NORTHERN TRUST CORP | Decreased | -39K | -$567.5M |
| XTX Topco Ltd | Decreased | -43K | -$539.3M |
| RHUMBLINE ADVISERS | Decreased | -10K | -$483.2M |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | Decreased | -8K | -$421.6M |
| TWO SIGMA INVESTMENTS, LP | Decreased | -24K | -$370.1M |
| STIFEL FINANCIAL CORP | Decreased | -34K | -$313.0M |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Decreased | -13K | -$283.9M |
| HSBC HOLDINGS PLC | Decreased | -41K | -$236.0M |
| MetLife Investment Management, LLC | Decreased | -11K | -$194.3M |
Top Institutional Holders(Q4 2025)
| # | Fund | Shares | Value | % of Portfolio | Type |
|---|---|---|---|---|---|
| 1 | Merck & Co., Inc. | 14,044,943 | $111.8B | 40.47% | Share |
| 2 | ARK Investment Management LLC | 7,879,087 | $62.7B | 0.42% | Share |
| 3 | AMERIPRISE FINANCIAL INC | 3,507,345 | $27.0B | 0.01% | Share |
| 4 | Aberdeen Group plc | 3,249,895 | $25.9B | 0.04% | Share |
| 5 | AMERIPRISE FINANCIAL INC | 2,615,607 | $20.0B | 0.00% | Share |
| 6 | AIGH Capital Management LLC | 2,114,209 | $16.8B | 4.07% | Share |
| 7 | KENNEDY CAPITAL MANAGEMENT LLC | 1,712,652 | $13.6B | 0.29% | Share |
| 8 | Blue Water Life Science Advisors, LP | 1,676,300 | $13.3B | 8.37% | Share |
| 9 | PFM Health Sciences, LP | 805,817 | $6.4B | 0.64% | Share |
| 10 | AIGH Capital Management LLC | 785,791 | $6.3B | 1.51% | Share |
| 11 | DIMENSIONAL FUND ADVISORS LP | 860,367 | $6.0B | 0.00% | Share |
| 12 | NEXT CENTURY GROWTH INVESTORS LLC | 624,363 | $5.0B | 0.35% | Share |
| 13 | HOWLAND CAPITAL MANAGEMENT LLC | 547,115 | $4.4B | 0.17% | Share |
| 14 | Amova Asset Management Americas, Inc. | 518,441 | $4.1B | 0.05% | Share |
| 15 | Sumitomo Mitsui Trust Group, Inc. | 518,441 | $4.1B | 0.00% | Share |
| 16 | STATE OF MICHIGAN RETIREMENT SYSTEM | 493,798 | $3.9B | 0.02% | Share |
| 17 | Portolan Capital Management, LLC | 379,197 | $3.0B | 0.16% | Share |
| 18 | ORACLE INVESTMENT MANAGEMENT INC | 339,343 | $2.7B | 1.61% | Share |
| 19 | UBS Group AG | 301,555 | $2.4B | 0.00% | Share |
| 20 | Wellington Shields & Co., LLC | 292,489 | $2.3B | 0.57% | Share |
| 21 | IQ EQ FUND MANAGEMENT (IRELAND) Ltd | 267,674 | $2.1B | 0.15% | Share |
| 22 | GOLDMAN SACHS GROUP INC | 293,705 | $2.0B | 0.00% | Share |
| 23 | FIRST MANHATTAN CO. LLC. | 373,822 | $2.0B | 0.01% | Share |
| 24 | TD ASSET MANAGEMENT INC | 271,876 | $2.0B | 0.00% | Share |
| 25 | NORTHERN TRUST CORP | 346,917 | $2.0B | 0.00% | Share |
| 26 | Nuveen, LLC | 308,680 | $2.0B | 0.00% | Share |
| 27 | Bruce & Co., Inc. | 233,000 | $1.9B | 0.57% | Share |
| 28 | D.A. DAVIDSON & CO. | 145,507 | $1.2B | 0.01% | Share |
| 29 | AMERIPRISE FINANCIAL INC | 163,399 | $1.0B | 0.00% | Share |
| 30 | Williams Jones Wealth Management, LLC. | 134,072 | $1.0B | 0.01% | Share |
| 31 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 158,170 | $1.0B | 0.00% | Share |
| 32 | POLEN CAPITAL MANAGEMENT LLC | 50,705 | $403.0M | 0.00% | Share |
| 33 | GROUP ONE TRADING LLC | 36,300 | $288.0M | 0.00% | Call |
| 34 | Invesco Ltd. | 19,011 | $151.0M | 0.00% | Share |
| 35 | AXQ CAPITAL, LP | 14,965 | $119.0M | 0.03% | Share |
| 36 | Invesco Ltd. | 13,096 | $104.0M | 0.00% | Share |
| 37 | US BANCORP \DE\ | 12,768 | $101.0M | 0.00% | Share |
| 38 | Scientech Research LLC | 12,402 | $98.0M | 0.06% | Share |
| 39 | HSBC HOLDINGS PLC | 10,473 | $84.0M | 0.00% | Share |
| 40 | Lightspeed Management Company, L.L.C. | 8,160,734 | $65.0M | 4.65% | Share |
| 41 | Invesco Ltd. | 7,768 | $61.0M | 0.00% | Share |
| 42 | US BANCORP \DE\ | 7,294 | $58.0M | 0.00% | Share |
| 43 | GROUP ONE TRADING LLC | 6,400 | $50.0M | 0.00% | Put |
| 44 | Caitong International Asset Management Co., Ltd | 5,536 | $44.0M | 0.12% | Share |
| 45 | INTERNATIONAL ASSETS INVESTMENT MANAGEMENT, LLC | 3,900 | $31.0M | 0.00% | Share |
| 46 | UBS Group AG | 3,483 | $27.0M | 0.00% | Share |
| 47 | VANGUARD GROUP INC | 2,876,807 | $22.0M | 0.00% | Share |
| 48 | BlackRock, Inc. | 2,472,531 | $19.0M | 0.00% | Share |
| 49 | Farther Finance Advisors, LLC | 2,489 | $19.0M | 0.00% | Share |
| 50 | Berbice Capital Management LLC | 320 | $18.0M | 0.01% | Share |
PSNL Institutional Ownership History
| Quarter | Holders | Total Value | Change |
|---|---|---|---|
| Q4 2025 | 126 | $361.5B | +34 |
| Q3 2025 | 92 | $284.5B | +1 |
| Q2 2025 | 91 | $206.4B | -13 |
| Q1 2025 | 104 | $182.9B | +0 |
| Q4 2024 | 104 | $258.1B | +32 |
| Q3 2024 | 72 | $1.9T | +12 |
| Q2 2024 | 60 | $127.0B | -2 |
| Q1 2024 | 62 | $26.0T | — |
Similar Stocks by Institutional Ownership
As of Q4 2025, 50 institutional investors hold PSNL (Personalis, Inc.). The largest holder is Merck & Co., Inc. with $111.8B in shares. This quarter, 11 institutions opened new positions and 1 closed their positions.
Frequently Asked Questions
How many hedge funds own PSNL?
As of Q4 2025, 50 institutional investors report holding PSNL (Personalis, Inc.) in their 13F filings.
Who is the largest institutional holder of PSNL?
The largest institutional holder of PSNL is Merck & Co., Inc. with $111.8B in shares.
Is institutional ownership of PSNL increasing or decreasing?
This quarter, 11 institutions opened new positions in PSNL and 1 closed their positions.