Latest Period
Q4 2025
Security Snapshot
Personalis, Inc. - Common Stock, $0.0001 par value per share (PSNL) Institutional Ownership
CUSIP: 71535D106
13F Institutional Holders and Ownership History from Q2 2019 to Q1 2026
Institutions Reporting
125
Shares (Excl. Options)
81,001,611
Price
$7.96
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- Type / Class
- Equity / Common Stock, $0.0001 par value per share
- Symbol
- PSNL on Nasdaq
- Shares outstanding
- 104,548,584
- Price per share
- $6.31
- All holders as of 31 Dec 2025
- Q4 2025
- Total 13F shares
- 81,001,611
- Total reported value
- $644,778,177
- % of total 13F portfolios
- 0%
- Share change
- +15,960,629
- Value change
- +$129,305,525
- Number of holders
- 125
- Price from insider filings
- $6.31
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors
Quick Takeaways
- PSNL - Personalis, Inc. - Common Stock, $0.0001 par value per share is tracked under CUSIP 71535D106.
- 125 institutions reported positions in Q4 2025.
- 10 significant owners is listed from Schedule 13D/13G reporting.
What Changed
- Holder count moved from 125 to 84 between Q4 2025 and Q1 2026.
- Reported value moved from $644,778,177 to $316,855,551.
Why This Matters
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Source Evidence
Source: SEC Form 13F
Open SEC Evidence
Latest holder context comes from 125 institutions filings for Q4 2025.
Investment Quick Answers
What is CUSIP 71535D106?
CUSIP 71535D106 identifies PSNL - Personalis, Inc. - Common Stock, $0.0001 par value per share in SEC 13F datasets.
Where can I see the latest institutional holders?
Review the Q4 2025 holders report and the ownership history table below.
Next ownership checks
Use the next link that matches the question you still need to answer about this security.
- Latest 13F filings when you want to inspect fresh institutional portfolio moves.
- Latest Schedule 13D/13G reports when you need large-owner changes outside the 13F cycle.
- All institutional ownership pages to compare this security with other holder-history pages.
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 71535D106:
Significant Owners of Personalis, Inc. - Common Stock, $0.0001 par value per share (PSNL) based on Schedule 13D/G filings
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| Merck & Co., Inc. | 16% | $53,792,132 | 14,044,943 | Merck & Co., Inc. | 19 Dec 2024 | |||
| Tempus AI, Inc. | 14% | $58,553,040 | 12,868,800 | Eric Lefkofsky | 11 Sep 2025 | |||
| KEYWELL BRADLEY A | 7.6% | $49,211,559 | 12,848,971 | Bradley A. Keywell | 17 Jan 2025 | |||
| Red Sky Ventures LLC | 4.7% | -17% | $52,546,773 | -$9,366,221 | 8,059,321 | -15% | Red Sky Ventures LLC | 30 Sep 2025 |
| ARK Investment Management LLC | 8.1% | -14% | $27,530,795 | +$1,580,878 | 7,188,197 | +6.1% | ARK Investment Management LLC | 31 Mar 2025 |
| AMERIPRISE FINANCIAL INC | 7.1% | $53,880,884 | 6,287,151 | Ameriprise Financial, Inc. | 31 Dec 2025 | |||
| Deep Track Capital, LP | 5.5% | $36,349,556 | 5,760,627 | Deep Track Capital, LP | 05 May 2026 | |||
| T. Rowe Price Investment Management, Inc. | 4.5% | -63% | $30,312,846 | -$38,366,225 | 4,758,091 | -56% | T. Rowe Price Investment Management, Inc. | 31 Mar 2026 |
| HIRSCHMAN ORIN | 3.8% | -38% | $27,205,633 | -$6,982,468 | 3,416,720 | -20% | Orin Hirschman | 31 Dec 2025 |
| BlackRock, Inc. | 3.5% | $11,318,301 | 2,955,170 | BlackRock, Inc. | 31 Dec 2024 |
As of 31 Dec 2025, 125 institutional investors reported holding 81,001,611 shares of Personalis, Inc. - Common Stock, $0.0001 par value per share (PSNL). This represents 77% of the company’s total 104,548,584 outstanding shares.
Top 25 Institutional Shareholders
The largest institutional shareholders of Personalis, Inc. - Common Stock, $0.0001 par value per share (PSNL) together control 72% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| Merck & Co., Inc. | 13% | 14,044,943 | 0% | 40% | $111,797,746 |
| T. Rowe Price Investment Management, Inc. | 10% | 10,780,290 | +274% | 0.05% | $85,812,000 |
| LIGHTSPEED MANAGEMENT COMPANY, L.L.C. | 7.8% | 8,160,734 | 0% | 4.7% | $64,959,443 |
| ARK Investment Management LLC | 7.5% | 7,879,087 | -0.39% | 0.42% | $62,717,533 |
| AMERIPRISE FINANCIAL INC | 6% | 6,287,151 | +2003% | 0.01% | $50,045,728 |
| BlackRock, Inc. | 5.1% | 5,319,508 | -5.8% | 0% | $42,343,284 |
| VANGUARD GROUP INC | 3.1% | 3,253,797 | +8.2% | 0% | $25,900,225 |
| Aberdeen Group plc | 3.1% | 3,249,895 | +36% | 0.04% | $25,869,164 |
| AIGH Capital Management LLC | 2.8% | 2,900,000 | -25% | 6.8% | $23,084,000 |
| KENNEDY CAPITAL MANAGEMENT LLC | 1.6% | 1,712,652 | -11% | 0.29% | $13,632,710 |
| Blue Water Life Science Advisors, LP | 1.6% | 1,676,300 | 0% | 8.4% | $13,343,348 |
| PRICE T ROWE ASSOCIATES INC /MD/ | 1.4% | 1,448,585 | +1332% | 0% | $11,531,000 |
| GEODE CAPITAL MANAGEMENT, LLC | 1.2% | 1,297,807 | -2.7% | 0% | $10,333,039 |
| STATE STREET CORP | 1% | 1,050,590 | +13% | 0% | $8,362,696 |
| DIMENSIONAL FUND ADVISORS LP | 0.94% | 983,174 | +0.98% | 0% | $7,826,162 |
| PFM Health Sciences, LP | 0.77% | 805,817 | 0.65% | $6,414,303 | |
| NEXT CENTURY GROWTH INVESTORS LLC | 0.6% | 624,363 | 0.35% | $4,969,929 | |
| Howland Capital Management LLC | 0.52% | 547,115 | +65% | 0.17% | $4,355,036 |
| Sumitomo Mitsui Trust Group, Inc. | 0.5% | 518,441 | -12% | 0% | $4,126,790 |
| Amova Asset Management Americas, Inc. | 0.5% | 518,441 | -12% | 0.05% | $4,126,790 |
| STATE OF MICHIGAN RETIREMENT SYSTEM | 0.47% | 493,798 | 0% | 0.02% | $3,930,632 |
| Portolan Capital Management, LLC | 0.36% | 379,197 | 0.16% | $3,018,408 | |
| FIRST MANHATTAN CO. LLC. | 0.36% | 373,822 | 0.01% | $2,975,623 | |
| NORTHERN TRUST CORP | 0.34% | 354,918 | -9.9% | 0% | $2,825,147 |
| GOLDMAN SACHS GROUP INC | 0.33% | 342,475 | -40% | 0% | $2,726,101 |
Institutional Holders of Personalis, Inc. - Common Stock, $0.0001 par value per share (PSNL) across Reporting Periods
| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q1 | 49,755,368 | $316,855,551 | +$5,078,204 | $6.37 | 84 |
| 2025 Q4 | 81,001,611 | $644,778,177 | +$129,305,525 | $7.96 | 125 |
| 2025 Q3 | 64,702,482 | $421,838,154 | +$27,589,778 | $6.52 | 107 |
| 2025 Q2 | 60,456,657 | $396,611,525 | +$44,202,043 | $6.56 | 105 |
| 2025 Q1 | 54,828,320 | $192,441,316 | +$10,090,223 | $3.51 | 102 |
| 2024 Q4 | 51,601,342 | $298,243,551 | -$3,572,926 | $5.78 | 107 |
| 2024 Q3 | 29,319,270 | $161,516,207 | +$43,033,654 | $5.38 | 83 |
| 2024 Q2 | 21,956,574 | $25,689,907 | -$438,121 | $1.17 | 69 |
| 2024 Q1 | 22,271,019 | $33,182,519 | +$217,168 | $1.49 | 70 |
| 2023 Q4 | 21,963,535 | $46,098,090 | -$4,605,029 | $2.10 | 68 |
| 2023 Q3 | 24,787,157 | $29,989,246 | -$2,223,907 | $1.21 | 63 |
| 2023 Q2 | 26,077,892 | $48,999,684 | -$2,366,338 | $1.88 | 64 |
| 2023 Q1 | 27,192,343 | $74,996,760 | +$205,499 | $2.76 | 62 |
| 2022 Q4 | 27,801,895 | $55,045,447 | -$1,904,858 | $1.98 | 78 |
| 2022 Q3 | 28,367,717 | $83,900,229 | -$5,226,601 | $2.97 | 77 |
| 2022 Q2 | 29,874,257 | $105,564,934 | -$15,549,124 | $3.45 | 95 |
| 2022 Q1 | 32,474,275 | $265,328,914 | -$398,164 | $8.19 | 120 |
| 2021 Q4 | 32,151,998 | $456,199,133 | +$2,045,734 | $14.27 | 105 |
| 2021 Q3 | 31,406,739 | $604,224,567 | -$14,422,392 | $19.24 | 116 |
| 2021 Q2 | 31,940,492 | $807,886,761 | +$23,454,157 | $25.30 | 132 |
| 2021 Q1 | 30,722,882 | $755,704,555 | +$60,986,103 | $24.61 | 130 |
| 2020 Q4 | 26,591,341 | $973,697,818 | +$110,231,063 | $36.61 | 128 |
| 2020 Q3 | 25,391,300 | $552,000,648 | +$128,507,444 | $21.67 | 90 |
| 2020 Q2 | 18,853,701 | $244,721,982 | +$7,255,056 | $12.97 | 77 |
| 2020 Q1 | 19,072,243 | $153,524,384 | +$10,223,267 | $8.07 | 65 |
| 2019 Q4 | 17,416,312 | $189,722,226 | +$10,096,228 | $10.90 | 76 |
| 2019 Q3 | 15,759,296 | $231,238,606 | -$27,642,247 | $14.68 | 67 |
| 2019 Q2 | 14,833,656 | $403,226,244 | +$403,226,232 | $27.15 | 67 |