Institutional Ownership
Personalis Inc
CUSIP 71535D106COMPSNLQ1 2026
Institutional Holders
135
13F filers
Shares Held
80.76M
Aggregate institutional
Institutional Value
$472.36M
Q1 2026
Net New Holders
+12
31 new · 19 closed
Institutional Ownership Trend
Aggregate 13F value by quarter
Multi-quarter trend — upgrade to see history
UpgradePosition Activity
Q1 2026
New positions31
Increased47
Decreased36
Sold out19
Institutional Holders
135 funds hold this security · Q1 2026
| # | Fund | Shares | Value | Δ Shares | Activity |
|---|---|---|---|---|---|
| 1 | Merck & Co., Inc. | 14.04M | $89.47M | 0 | Held |
| 2 | Lightspeed Management Company, L.L.C. | 8.16M | $51.98M | 0 | Held |
| 3 | Ark Investment Management LLC | 7.94M | $50.60M | +65.0K | Added |
| 4 | Ameriprise Financial Inc | 7.59M | $48.37M | +1.31M | Added |
| 5 | Blackrock, Inc. | 5.39M | $34.33M | +70.4K | Added |
| 6 | Aberdeen Group PLC | 3.49M | $22.22M | +238.4K | Added |
| 7 | Deep Track Capital, LP | 3.00M | $19.11M | +3.00M | New |
| 8 | Aigh Capital Management LLC | 2.90M | $18.47M | 0 | Held |
| 9 | Kennedy Capital Management LLC | 2.18M | $13.91M | +470.9K | Added |
| 10 | Blue Water Life Science Advisors, LP | 1.68M | $10.68M | 0 | Held |
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