AI summary pending
View Full Filing (SEC EDGAR)Personalis Inc
$16.00-0.4%
+$138.6M
Net Activity
+2.82% total shares
Institutions Holding
159
Popularity Rank
#3555
Avg Weight
0.45%
Total Value
$1.2B
Market Cap
$1.4B
159 institutions currently hold PSNL, with 114 net buyers and 55 net sellers this quarter.
Institutional Moves (Q2 2026)
Majority Increased
Based on recent trading activity
Net Selling Institutions
55
Net Buying Institutions
114
Top 5 by Value
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Across its top 20 institutional holders, PSNL's holder base skews toward low-concentration, low-turnover investors on average (avg. concentration score 21/100, avg. turnover score 47/100).
PSNL ranks #3555 out of 37696 tracked stocks by institutional interest — one of the most closely watched names in our coverage.
PSNL is a disclosed holding of Cathie Wood (ARK Investment Management), one of the tracked superinvestors on AlphaSMO — it makes up 0.7% of that fund's own 13F portfolio.
PSNL is a top-conviction position for Merck & Co., Inc. — at 35.8% of their entire disclosed 13F portfolio, it's one of their largest single bets, not just a passing allocation.
Farther Finance Advisors, LLC has added to its PSNL position for two straight quarters, increasing it by $9.5K to reach $24.7K today.
PSNL is down 0.4% today, but institutions show net buying of $138.6M this quarter — a divergence between today's price move and the underlying institutional flow.
PSNL reported a net loss of $107.2M over the trailing twelve months.
+$299.9M
Total Buy Value
$150.1M
Total Sell Value
114
Net Buyers
55
Net Sellers
PSNL
Q2 2026
Top 5 Institutional Movers
+$98.7M
+$60.6M
+$60.2M
+$34.5M
PSNL does not currently have enough recent insider (Form 4) trading activity to compute a convergence signal against its 13F institutional flows.
13F data as of 2026-09-30 quarterly filings. Note: many large institutions file close to the 45-day post-quarter deadline, so early-quarter flow figures can shift substantially as more filings arrive.
No Form 144 planned sale filings in the last 90 days
2
Active 5%+ Holders
| Reporting Person | Type | Filing Date | % of Class |
|---|---|---|---|
| Deep Track Capital, LP | 13G/A | 2026-08-14 | 3.8% |
| Ameriprise Financial, Inc. | 13G/A | 2026-08-14 | 5.8% |
| Tempus AI, Inc. | 13D/A | 2026-07-21 | 12.6% |
5
Filings (14d)
AI summary pending
View Full Filing (SEC EDGAR)No AI summary for this filing type
View Full Filing (SEC EDGAR)Personalis, Inc. issued a press release on August 4, 2026, reporting its financial results for the quarter ended June 30, 2026. This Form 8-K is being used to furnish that press release as Exhibit 99.1, and the filing makes clear the information is furnished, not filed, so it doesn't carry the same liability under Section 18 of the Exchange Act. The excerpt doesn't include any actual financial figures, so this 8-K alone doesn't tell you whether the quarter was strong or weak.
View Full Filing (SEC EDGAR)AI summary pending
View Full Filing (SEC EDGAR)AI summary pending
View Full Filing (SEC EDGAR)71535D106
The most-added stocks by 13F institutions this quarter
Institutions Holding
6,278
Total reported value
$2.2T
3254 13F institutions increased their position this quarter
Institutions Holding
6,025
Total reported value
$3.6T
3054 13F institutions increased their position this quarter
Institutions Holding
6,188
Total reported value
$1.8T
2995 13F institutions increased their position this quarter
The most widely held stocks tracked across all 13F institutions
Institutions Holding
4,442
Total reported value
$354.7B
Held by 4442 institutions — one of the most-tracked stocks on AlphaSMO
Institutions Holding
4,353
Total reported value
$864.4B
Held by 4353 institutions — one of the most-tracked stocks on AlphaSMO
Institutions Holding
4,273
Total reported value
$320.7B
Held by 4273 institutions — one of the most-tracked stocks on AlphaSMO
Access PSNL's institutional ownership data programmatically:
REST API
curl https://alphasmo.com/api/v1/market/stock/PSNLCLI
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