Security Snapshot

Penumbra Inc - Common Stock (PEN) Institutional Ownership

CUSIP: 70975L107

13F Institutional Holders and Ownership History from Q3 2015 to Q2 2026

Latest Period

Q1 2026

Institutions Reporting

482

Shares (Excl. Options)

33,845,322

Price

$328.37

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Latest holder snapshot 5 signals
Portfolio coverage rank
0.02%
Share change
-3,190,888
Value change
-$982,764,386
Number of holders
482
Issuer context Names, identifiers, and filing context for this profile. 3 identity fields
Shares outstanding
39,262,899
SEC-reported price per share
$315.75
Insider filing price
$315.75
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors

Key facts

  • PEN - Penumbra Inc - Common Stock is tracked under CUSIP 70975L107.
  • 482 institutions reported positions in Q1 2026.
  • 3 significant owners is listed from Schedule 13D/13G reporting.

Change

  • Holder count moved from 482 to 8 between Q1 2026 and Q2 2026.
  • SEC-reported value moved from $11,110,244,180 to $4,363,771.

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 482 institutions filings for Q1 2026.

Open SEC evidence

Security key

70975L107

Latest holder period

Q1 2026

13F holders

482

13D/G owners

3

CIK / CUSIP context first

13D/G owners

Significant owners

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

Rows
3
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
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 31 Mar 2026, 482 institutional investors reported holding 33,845,322 shares of Penumbra Inc - Common Stock (PEN). This represents 86% of the company’s total 39,262,899 outstanding shares.

13F concentration

Top 25 institutional shareholders

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

Top holder share
55%
Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
BlackRock, Inc. 11% 4,330,456 +4.6% 0.02% $1,421,991,758
VANGUARD CAPITAL MANAGEMENT LLC 4.3% 1,694,488 0% 0.01% $556,419,025
VANGUARD PORTFOLIO MANAGEMENT LLC 4.2% 1,654,477 0% 0.03% $543,280,612
HBK INVESTMENTS L P 4.2% 1,634,261 6.8% $536,642,285
STATE STREET CORP 3% 1,185,811 +2.5% 0.01% $389,384,758
MILLENNIUM MANAGEMENT LLC 2.8% 1,098,136 +62% 0.27% $360,594,918
BAILLIE GIFFORD & CO 2.1% 840,427 -4.1% 0.28% $275,971,015
GEODE CAPITAL MANAGEMENT, LLC 2% 795,448 +3.8% 0.02% $261,261,457
Balyasny Asset Management L.P. 1.9% 762,096 +371% 0.49% $250,249,464
GOLDMAN SACHS GROUP INC 1.8% 720,575 +126% 0.03% $236,615,213
CITIGROUP INC 1.6% 620,943 +1203% 0.13% $203,899,053
UBS Group AG 1.4% 560,335 +273% 0.03% $183,997,205
Invesco Ltd. 1.4% 538,197 -16% 0.03% $176,727,749
FMR LLC 1.3% 496,107 -90% 0.01% $162,906,494
Champlain Investment Partners, LLC 1.3% 491,382 -18% 2% $161,355,107
ExodusPoint Capital Management, LP 1.2% 465,215 +2039% 1.5% $152,762,650
Capital World Investors 1.1% 450,815 +5.7% 0.02% $148,034,122
WHITEBOX ADVISORS LLC 1.1% 445,001 2.2% $146,124,978
AQR Arbitrage LLC 1.1% 423,073 2.3% $138,924,481
TUDOR INVESTMENT CORP ET AL 1% 411,118 0.73% $134,998,818
JPMORGAN CHASE & CO 1% 402,619 -50% 0.01% $132,139,723
MORGAN STANLEY 1% 401,355 -24% 0.01% $131,793,651
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP 1% 400,160 +130% 0.07% $131,400,539
Hudson Bay Capital Management LP 0.89% 349,038 0.69% $114,613,608
Amundi 0.88% 345,758 +303% 0.03% $113,536,555

Quarter history

Institutional holders across reporting periods

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

Periods
44
Latest
Q1 2026
Rows shown
1-25 of 44
Period 13F Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2026 Q2 13,819 $4,363,771 -$96,648,189 $315.75 8
2026 Q1 33,845,322 $11,110,244,180 -$982,764,386 $328.37 482
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
2020 Q2 30,747,296 $5,506,944,943 +$178,847,242 $178.82 247
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