PEN
Penumbra (PEN)
NYSE
$325.29+$0.11 (+0.03%)
Price as of Aug 21, 2026 5:46 PM EDT
  • $12.8B
    Market Cap
  • 22.83%
    1-Year Change
  • Medical Devices
    Industry

Top Holders

Institutional
Mutual Funds
Holder
Ownership %
Shares Held
Change (Shares, %)
Report Date
BLACKROCK, INC.
10.91%
4.3M
-32,901 (-0.77%)
Jun 30, 2026
BLACKROCK INC.
10.80%
4.3M
+193,910 (+4.56%)
Jun 30, 2024
BLACKROCK FUNDING, INC. /DE
10.43%
4.1M
+40,292 (+0.98%)
Dec 31, 2024
VANGUARD GROUP INC
9.57%
3.8M
-64,914 (-1.72%)
Dec 31, 2025
HBK INVESTMENTS L P
4.67%
1.8M
+204,247 (+11.11%)
Jun 30, 2026
VANGUARD CAPITAL MANAGEMENT LLC
4.34%
1.7M
+15,389 (+0.90%)
Jun 30, 2026
VANGUARD PORTFOLIO MANAGEMENT LLC
4.23%
1.7M
+12,799 (+0.77%)
Jun 30, 2026

Current Ownership Distribution

  • Institutions648.3M (70.61%)
  • Mutual Funds267.7M (29.16%)
  • Insiders2.1M (0.23%)
  • Other0 (0.00%)

Insider Transactions

  • 0.23% (2.1M)
    Current InsiderOwnership (%, shares)
  • 0
    Number of InsiderBuying (last 12 months)
  • $0.00
    Amount of InsiderBuying (last 12 months)
  • 6
    Number of InsiderSelling (last 12 months)
  • $891.4M
    Amount of InsiderSelling (last 12 months)
Insider Name & Title
Type
Date
Transaction Value
Shares
Share Price
Shares After Transactions
Narayan Shruthi
President
In Kind
Mar 15, 2026
$39,333.06
117
$336.18
30,755
Yuen Maggie
Chief Financial Officer
In Kind
Mar 15, 2026
$62,529.48
186
$336.18
18,167
Roberts Johanna
EVP, Gen. Counsel & Secretary
In Kind
Mar 15, 2026
$62,529.48
186
$336.18
67,298
Yuen Maggie
Chief Financial Officer
Sell
Mar 02, 2026
$832,473.60
2,432
$342.30
18,353
Roberts Johanna
EVP, Gen. Counsel & Secretary
Award
Feb 17, 2026
$0.00
2,630
$0.00
67,484
Yuen Maggie
Chief Financial Officer
Award
Feb 17, 2026
$0.00
2,630
$0.00
20,785
Roberts Johanna
EVP, Gen. Counsel & Secretary
In Kind
Feb 15, 2026
$163,542.60
482
$339.30
64,854
Yuen Maggie
Chief Financial Officer
In Kind
Feb 15, 2026
$163,203.30
481
$339.30
18,155
Grewal Harpreet
Award
Feb 13, 2026
$0.00
589
$0.00
8,819
Roberts Johanna
EVP, Gen. Counsel & Secretary
Award
Feb 13, 2026
$0.00
2,630
$0.00
65,336
O'Rourke Bridget
Award
Feb 13, 2026
$0.00
589
$0.00
5,962
Sarna Surbhi
Award
Feb 13, 2026
$0.00
589
$0.00
4,293
Wilder Thomas
Award
Feb 13, 2026
$0.00
589
$0.00
589
Leeds Janet
Award
Feb 13, 2026
$0.00
589
$0.00
6,639
Yuen Maggie
Chief Financial Officer
Award
Feb 13, 2026
$0.00
2,630
$0.00
18,636
Narayan Shruthi
President
In Kind
Jan 15, 2026
$100,240.14
286
$350.49
26,317
Grewal Harpreet
Sell
Jan 06, 2026
$58,151.04
186
$312.64
8,230
Bose Arani
Gift
Nov 26, 2025
$0.00
1,799
$0.00
273,462
Roberts Johanna
EVP, Gen. Counsel & Secretary
Sell
Nov 25, 2025
$540,108.00
1,800
$300.06
64,736
Bose Arani
Sell
Nov 25, 2025
$2.3M
7,500
$300.19
275,261
Bose Arani
Sell
Nov 21, 2025
$2.1M
7,338
$290.55
282,923
Bose Arani
Sell
Nov 21, 2025
$47,156.58
162
$291.09
282,761
Roberts Johanna
EVP, Gen. Counsel & Secretary
Award
Nov 17, 2025
$0.00
3,580
$0.00
66,536
Shiu Lambert
Chief Accounting Officer
Award
Nov 17, 2025
$0.00
3,580
$0.00
35,565
Narayan Shruthi
President
In Kind
Nov 15, 2025
$100,265.06
358
$280.07
26,603
Shiu Lambert
Chief Accounting Officer
In Kind
Nov 15, 2025
$96,904.22
346
$280.07
32,491
Roberts Johanna
EVP, Gen. Counsel & Secretary
In Kind
Nov 15, 2025
$43,690.92
156
$280.07
63,501
Shiu Lambert
Chief Accounting Officer
In Kind
Nov 15, 2025
$141,715.42
506
$280.07
31,985
Roberts Johanna
EVP, Gen. Counsel & Secretary
In Kind
Nov 15, 2025
$152,638.15
545
$280.07
62,956
Roberts Johanna
EVP, Gen. Counsel & Secretary
Sell
Nov 10, 2025
$2,899.38
11
$263.58
64,246