Security Snapshot

Penumbra Inc - COMMON-STOCK (PEN) Institutional Ownership

CUSIP: 70975L107

13F Institutional Holders and Ownership History from Q3 2015 to Q3 2026

13F reference period

Q3 2026

Institutions Reporting

232

Shares (Excl. Options)

12.23MFull value: 12,230,536 · shares · 30 Sep 2026

Price

$318.34

The headline uses the Q3 2026 reference period after its reporting deadline. Available reports may still be incomplete or amended.

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Security type / class
Equity / COMMON-STOCK
Symbol
PEN on NYSE
All holders as of 30 Sep 2026
Q3 2026
Total 13F shares
12,230,536
Latest holder snapshot 5 signals
Total 13F value
$3,892,912,139
Portfolio coverage rank
0%
Share change
-89,687
Value change
-$28,057,194
Number of holders
232
Issuer context Names, identifiers, and filing context for this profile. 3 identity fields
Shares outstanding
39,453,237
SEC-reported price per share
$320.01
Insider filing price
$320.01
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Filing notes and source

Key facts

  • PEN - Penumbra Inc - COMMON-STOCK is tracked under CUSIP 70975L107.
  • 232 institutions reported positions in Q3 2026.
  • 4 significant owners is listed from Schedule 13D/13G reporting.

Change

  • Holder count moved from 452 to 232 between Q2 2026 and Q3 2026.
  • SEC-reported value moved from
    $10.78BFull value: $10,782,316,673 · USD · 30 Jun 2026
    to
    $3.89BFull value: $3,892,912,139 · USD · 30 Sep 2026
    .

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 232 institutions filings for Q3 2026.

Open SEC evidence

Security key

70975L107

13F reference period

Q3 2026

13F holders

232

13D/G owners

4

CIK / CUSIP context first

Open Q3 2026 holders PEN full holder history Penumbra Inc SEC filings Penumbra Inc company facts Penumbra Inc insider transactions

Broader feeds

Latest 13F filings Latest 13D/G filings All securities

13D/G owners

Significant owners

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

Rows
4
Security
PEN
Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
VANGUARD CAPITAL MANAGEMENT LLC 5.1% $653,662,845 1,990,629 Vanguard Capital Management 31 Mar 2026
BARCLAYS PLC 4.8% -19% $608,545,736 -$140,955,445 1,901,646 -19% Barclays PLC 30 Sep 2026
FMR LLC 4.7% -64% $567,989,692 -$1,017,695,485 1,826,862 -64% FMR LLC 30 Jan 2026
PRICE T ROWE ASSOCIATES INC /MD/ 3.3% $379,427,649 1,265,687 T. Rowe Price Associates, Inc. 31 Dec 2024
As of 30 Sep 2026, 232 institutional investors reported holding
12.23MFull value: 12,230,536 · shares · 30 Sep 2026
shares of Penumbra Inc - COMMON-STOCK (PEN). This represents 31% of the company’s total
39.45MFull value: 39,453,237 · shares · Stored outstanding share count
outstanding shares.

13F concentration

Top 25 institutional shareholders

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

Top holder share
27%
Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
VANGUARD CAPITAL MANAGEMENT LLC 4.3% 1,704,378 -0.32% 0.01% $542,571,693
VANGUARD PORTFOLIO MANAGEMENT LLC 4.1% 1,634,275 -2% 0.02% $520,255,104
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP 3.5% 1,382,458 +66% 0.19% $440,091,680
STATE STREET CORP 3.1% 1,236,104 -0.58% 0.01% $393,501,347
GEODE CAPITAL MANAGEMENT, LLC 2% 785,573 -1.4% 0.01% $250,140,707
MORGAN STANLEY 1.5% 594,226 +0.41% 0.01% $189,166,698
NEUBERGER BERMAN GROUP LLC 1.3% 499,521 +14% 0.11% $159,017,514
Capital World Investors 1.2% 490,758 +2.3% 0.02% $156,227,784
DIMENSIONAL FUND ADVISORS LP 0.76% 300,120 -8% 0.02% $95,540,738
Magnetar Financial LLC 0.65% 255,841 0% 0.8% $81,444,424
VANGUARD FIDUCIARY TRUST CO 0.64% 253,189 +0.57% 0.02% $80,600,186
Hudson Bay Capital Management LP 0.56% 222,339 +9.5% 0.37% $70,779,397
WATER ISLAND CAPITAL LLC 0.53% 209,813 +39% 7.1% $66,791,870
CAXTON ASSOCIATES LLP 0.45% 179,384 0% 1.2% $57,105,103
Champlain Investment Partners, LLC 0.42% 164,726 -25% 1.8% $52,438,875
Westchester Capital Management, LLC 0.42% 163,994 +4.1% 2.4% $52,205,851
Verition Fund Management LLC 0.24% 93,786 -34% 0.23% $29,855,835
Calamos Advisors LLC 0.23% 91,863 0% 0.1% $29,243,667
MARSHALL WACE, LLP 0.23% 90,087 -0.48% 0.03% $28,678,297
CAPITOLIS LIQUID GLOBAL MARKETS LLC 0.22% 86,330 0% 0.12% $27,482,292
PICTON MAHONEY ASSET MANAGEMENT 0.2% 80,200 +6.6% 0.21% $25,530,879
Swiss National Bank 0.19% 75,540 +0.75% 0.01% $24,047,404
C WorldWide Group Holding A/S 0.18% 72,000 0% 0.58% $22,920,000
Invesco Ltd. 0.18% 69,593 -74% 0% $22,154,235
CREDIT INDUSTRIEL ET COMMERCIAL 0.14% 57,052 +9.6% 1.8% $18,161,934

Quarter history

Institutional holders across reporting periods

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

Periods
45
Headline period
Q3 2026
Rows shown
1-25 of 45
Period 13F Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2026 Q3 12,230,536 $3,892,912,139 -$28,057,194 $318.34 232
2026 Q2 34,135,177 $10,782,316,673 +$88,446,356 $315.75 452
2026 Q1 33,846,336 $11,110,577,750 -$984,861,036 $328.37 485
2025 Q4 36,797,290 $11,440,007,211 +$210,789,705 $310.91 440
2025 Q3 36,280,721 $9,189,039,874 +$124,552,285 $253.32 417
2025 Q2 35,791,284 $9,182,490,367 +$262,212,351 $256.63 446
2025 Q1 34,702,906 $9,282,141,745 -$21,276,372 $267.41 417
2024 Q4 34,915,667 $8,296,102,455 -$81,540,021 $237.48 368
2024 Q3 35,206,604 $6,845,964,390 -$11,590,036 $194.31 329
2024 Q2 35,582,696 $6,401,610,306 +$259,509,909 $179.97 335
2024 Q1 33,678,072 $7,512,270,740 -$166,491,100 $223.18 338
2023 Q4 34,446,540 $8,664,030,570 +$305,832,137 $251.54 331
2023 Q3 33,121,845 $8,009,662,634 -$316,026,226 $241.91 310
2023 Q2 34,239,217 $11,776,148,220 -$227,526,492 $344.06 359
2023 Q1 35,002,031 $9,755,315,247 +$150,716,840 $278.69 305
2022 Q4 34,677,946 $7,715,798,617 +$570,137,913 $222.46 288
2022 Q3 32,071,516 $6,081,501,063 +$87,980,312 $189.60 247
2022 Q2 31,434,180 $3,914,792,028 +$78,481,296 $124.52 240
2022 Q1 30,229,221 $6,711,723,340 -$60,554,750 $222.13 266
2021 Q4 30,365,891 $8,721,265,946 +$158,109,765 $287.32 268
2021 Q3 29,792,376 $7,941,344,547 -$9,343,386 $266.50 273
2021 Q2 29,821,371 $8,172,300,569 -$280,819,009 $274.06 279
2021 Q1 31,059,010 $8,404,358,828 -$792,021,821 $270.58 265
2020 Q4 34,212,219 $5,987,453,425 +$298,445,445 $175.00 255
2020 Q3 32,320,552 $6,281,907,892 +$314,427,057 $194.38 266
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