Security Snapshot

Personalis, Inc. - Common Stock (PSNL) Institutional Ownership

CUSIP: 71535D106

13F Institutional Holders and Ownership History from Q2 2019 to Q2 2026

Latest Period

Q2 2026

Institutions Reporting

156

Shares (Excl. Options)

84,766,274

Price

$13.40

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Latest holder snapshot 5 signals
Portfolio coverage rank
0%
Share change
-137,627
Value change
+$50,197,508
Number of holders
156
Issuer context Names, identifiers, and filing context for this profile. 3 identity fields
Shares outstanding
104,936,466
SEC-reported price per share
$13.44
Insider filing price
$13.44
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors

Key facts

  • PSNL - Personalis, Inc. - Common Stock is tracked under CUSIP 71535D106.
  • 156 institutions reported positions in Q2 2026.
  • 11 significant owners is listed from Schedule 13D/13G reporting.

Change

  • Holder count moved from 138 to 156 between Q1 2026 and Q2 2026.
  • SEC-reported value moved from $538,766,511 to $1,135,883,201.

Research use

  • 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.

Evidence

Source: SEC Form 13F

Latest holder context comes from 156 institutions filings for Q2 2026.

Open SEC evidence

Security key

71535D106

Latest holder period

Q2 2026

13F holders

156

13D/G owners

11

CIK / CUSIP context first

13D/G owners

Significant owners

Large-stake holder rows connected to Schedule 13D/G evidence.

Rows
11
Security
PSNL
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. 13% -13% $176,733,498 +$4,291,578 13,189,067 +2.5% Eric Lefkofsky 19 Jul 2026
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
BlackRock, Inc. 5.9% +60% $82,674,369 +$43,075,091 6,169,729 +109% BlackRock, Inc. 30 Jun 2026
AMERIPRISE FINANCIAL INC 5.8% -19% $91,538,178 -$3,020,573 6,086,315 -3.2% Ameriprise Financial, Inc. 30 Jun 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
Deep Track Capital, LP 3.8% -28% $60,160,000 -$26,479,830 4,000,000 -31% Deep Track Capital, LP 30 Jun 2026
HIRSCHMAN ORIN 3.8% -38% $27,205,633 -$6,982,468 3,416,720 -20% Orin Hirschman 31 Dec 2025
Lightspeed Venture Partners Select IV, L.P. 2% $12,046,907 2,084,240 Lightspeed Venture Partners Select IV, L.P. 08 Jun 2026

As of 30 Jun 2026, 156 institutional investors reported holding 84,766,274 shares of Personalis, Inc. - Common Stock (PSNL). This represents 81% of the company’s total 104,936,466 outstanding shares.

13F concentration

Top 25 institutional shareholders

Largest 13F positions for this security by reported shares and value.

Top holder share
71%
Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
Merck & Co., Inc. 13% 14,044,943 0% 36% $188,202,236
ARK Investment Management LLC 7.9% 8,271,339 +4.1% 0.72% $110,835,941
BlackRock, Inc. 6.7% 7,082,491 +31% 0% $94,905,378
LIGHTSPEED MANAGEMENT COMPANY, L.L.C. 5.8% 6,101,850 -25% 3.4% $81,764,790
AMERIPRISE FINANCIAL INC 5.8% 6,086,315 -20% 0.02% $81,556,656
Deep Track Capital, LP 3.8% 4,000,000 +33% 0.79% $53,600,000
Aberdeen Group plc 3.6% 3,747,290 +7.4% 0.07% $50,213,686
VANGUARD CAPITAL MANAGEMENT LLC 2.9% 3,010,150 +4.9% 0% $40,336,010
Casdin Capital, LLC 2.4% 2,550,000 +59% 1.7% $34,170,000
KENNEDY CAPITAL MANAGEMENT LLC 2.3% 2,364,282 +8.3% 0.56% $31,681,379
GEODE CAPITAL MANAGEMENT, LLC 1.7% 1,822,445 +40% 0% $24,425,481
BANK OF AMERICA CORP /DE/ 1.7% 1,820,541 +1536% 0% $24,395,249
AIGH Capital Management LLC 1.6% 1,715,000 -41% 2.1% $22,981,000
Blue Water Life Science Advisors, LP 1.6% 1,676,300 0% 14% $22,462,420
DIMENSIONAL FUND ADVISORS LP 1.4% 1,496,983 +40% 0% $20,062,963
STATE STREET CORP 1.4% 1,487,077 +31% 0% $19,926,832
MORGAN STANLEY 1.2% 1,270,946 +436% 0% $17,030,682
GOLDMAN SACHS GROUP INC 0.89% 931,031 +26% 0% $12,475,815
HRT FINANCIAL LP 0.89% 930,816 +346% 0.02% $12,472,000
Nuveen, LLC 0.72% 753,004 +119% 0% $10,090,253
JANE STREET GROUP, LLC 0.7% 738,241 0.01% $9,892,429
VANGUARD PORTFOLIO MANAGEMENT LLC 0.63% 659,834 +18% 0% $8,841,776
NORTHERN TRUST CORP 0.6% 632,803 +56% 0% $8,479,560
Trexquant Investment LP 0.57% 600,216 0.05% $8,042,894
HOWLAND CAPITAL MANAGEMENT LLC 0.53% 555,641 +1.6% 0.27% $7,445,590

Quarter history

Institutional holders across reporting periods

Holder count, reported shares/value, and median price by quarter.

Periods
29
Latest
Q2 2026
Rows shown
1-25 of 29
Period 13F Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2026 Q2 84,766,274 $1,135,883,201 +$50,197,508 $13.40 156
2026 Q1 84,584,420 $538,766,511 +$18,994,611 $6.37 138
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
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