Vault-13

PENUMBRA INC PEN

COM · Common Stock · CUSIP 70975L107 · ISIN US70975L1070

Medical device company in Alameda, California

263 institutional holders
32,468,27432.5m shares reported held*
85.5% of all shares outstanding*
$6.2bnreported value*

* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once ($4.7m this quarter). Holder counts are more reliable. Shares outstanding: 38.0m as of 2022-10-20, from the company's own SEC filing; the percentage can still exceed 100%: lent-out shares are counted by the lender and the buyer, and some reports overlap without saying so. Implied quarter-end price ≈ $189.63. Options: 16 managers hold calls ($131.6m notional), 12 hold puts ($41.1m).

Biggest calls

BANK OF AMERICA CORP /DE/ — $47.4m250.0k shares
PFM Health Sciences, LP — $39.3m207.5k shares
SUSQUEHANNA INTERNATIONAL GROUP, LLP — $12.2m64.3k shares
MILLENNIUM MANAGEMENT LLC — $6.9m36.2k shares
JANE STREET GROUP, LLC — $5.9m31.0k shares
Affinity Asset Advisors, LLC — $4.7m25.0k shares
CITADEL ADVISORS LLC — $3.7m19.6k shares
GROUP ONE TRADING LLC — $3.5m18.2k shares
WOLVERINE TRADING, LLC — $2.6m13.3k shares
Balyasny Asset Management L.P. — $2.5m13.0k shares

Biggest puts

JANE STREET GROUP, LLC — $12.5m65.8k shares
SUSQUEHANNA INTERNATIONAL GROUP, LLP — $6.4m33.7k shares
D. E. Shaw & Co., Inc. — $5.9m31.3k shares
CITADEL ADVISORS LLC — $4.1m21.7k shares
UBS Group AG — $3.7m19.7k shares
Twin Tree Management, LP — $3.2m16.9k shares
MILLENNIUM MANAGEMENT LLC — $2.7m14.2k shares
GROUP ONE TRADING LLC — $1.4m7.3k shares
JPMORGAN CHASE & CO — $758.0k4.0k shares
WOLVERINE TRADING, LLC — $326.0k1.7k shares

Options at notional value: the value of the shares the contracts control, as filers report them, not what the options cost. Not included in the holders, shares or buying above.

Major shareholders (over 5%)

Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.

HolderStakeChangeShares Last filed
BARCLAYS PLC 13G · institution new · filed 2026-08-13 6.0% new 2.3m≈ $739.5m 2026-08-13
VANGUARD CAPITAL MANAGEMENT LLC 13G · institution new · filed 2026-04-30 5.1% new 2.0m≈ $628.5m 2026-04-30

Fell to 5% or below in the last year: VANGUARD GROUP INC (0.0%, 2026-03-27; now reported by VANGUARD CAPITAL MANAGEMENT LLC), FMR LLC (4.7%, 2026-02-06)

Insider purchases and sales in Q3 2022

Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.

Officers and directors buying vs selling

Number of people, by quarter (10% owners not included)

BuyingSelling
10010Q4 20: 0 buyingQ4 20: 0 sellingQ1 21: 0 buyingQ1 21: 0 sellingQ1 21Q2 21: 0 buyingQ2 21: 0 sellingQ3 21: 0 buyingQ3 21: 0 sellingQ3 21Q4 21: 0 buyingQ4 21: 8 sellingQ1 22: 0 buyingQ1 22: 5 sellingQ1 22Q2 22: 0 buyingQ2 22: 2 sellingQ3 22: 0 buyingQ3 22: 4 sellingQ3 22
Numbers
QuarterBuyingBoughtSellingSoldSold under a plan
Q4 20200—0——
Q1 20210—0——
Q2 20210—0——
Q3 20210—0——
Q4 20210—8$16.0m—
Q1 20220—5$5.2m—
Q2 20220—2$344.2k—
Q3 20220—4$1.4m—
DateInsiderTradeSharesPrice ValueTheir holding
2022-09-07 Roberts Johanna EVP, Gen. Counsel & Secretary Sold 5,800 $175.17 $1.0m5.8k shares -10%
2022-08-15 Roberts Johanna EVP, Gen. Counsel & Secretary Sold 1,700 $175.04 $297.6k1.7k shares -3%
2022-08-01 O'Rourke Bridget Director Sold 88 $137.12 $12.1k88 shares -2%
2022-07-27 O'Rourke Bridget Director Sold 88 $135.00 $11.9k88 shares -2%
2022-07-05 Wilder Thomas Director Sold 248 $123.64 $30.7k248 shares -35%
2022-07-01 Sarna Surbhi Director Sold 27 $124.39 $3.4k27 shares -1%

Their holding: how much the trade added to or took from the insider's holding (direct, or the trust or fund named). The same trade is sometimes reported by more than one insider, such as a fund and the director who represents it; totals count it once. A value is left blank where the reported price is far from the market price (usually a typo).

Holders, Q3 2022

#ManagerLocationShares Value% of their portfolioChangeShares change
1 FMR LLC 0.11% of their portfolio BOSTON, MA 5,683,2615.7m $1.1bn $1.1bn 0.11% —
2 BlackRock Inc. 0.03% of their portfolio New York, NY 3,904,6573.9m $740.3m $740.3m 0.03% —
3 VANGUARD GROUP INC 0.02% of their portfolio Valley Forge, PA 3,407,4343.4m $646.0m $646.0m 0.02% —
4 BAILLIE GIFFORD & CO 0.25% of their portfolio EDINBURGH, X0 1,261,6381.3m $239.2m $239.2m 0.25% —
5 WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC 0.79% of their portfolio CHICAGO, IL 1,048,5131.0m $198.8m $198.8m 0.79% —
6 PRICE T ROWE ASSOCIATES INC /MD/ 0.03% of their portfolio BALTIMORE, MD 1,029,0951.0m $195.1m $195.1m 0.03% —
7 Clearbridge Investments, LLC 0.20% of their portfolio NEW YORK, NY 1,023,7811.0m $194.1m $194.1m 0.20% —
8 STATE STREET CORP 0.01% of their portfolio BOSTON, MA 1,016,5161.0m $192.7m $192.7m 0.01% —
9 JANUS HENDERSON GROUP PLC 0.07% of their portfolio LONDON, X0 927,318927.3k $175.8m $175.8m 0.07% —
10 Champlain Investment Partners, LLC 1.04% of their portfolio BURLINGTON, VT 804,075804.1k $152.5m $152.5m 1.04% —
11 Capital Research Global Investors 0.05% of their portfolio Los Angeles, CA 787,820787.8k $149.4m $149.4m 0.05% —
12 RTW INVESTMENTS, LP 3.05% of their portfolio NEW YORK, NY 698,371698.4k $132.4m $132.4m 3.05% —
13 NORGES BANK 0.03% of their portfolio OSLO, Q8 581,569581.6k $110.3m $110.3m 0.03% —
14 Capital World Investors 0.02% of their portfolio LOS ANGELES, CA 561,144561.1k $106.4m $106.4m 0.02% —
15 Rock Springs Capital Management LP 2.33% of their portfolio Baltimore, MD 476,000476.0k $90.2m $90.2m 2.33% —
16 GEODE CAPITAL MANAGEMENT, LLC 0.01% of their portfolio BOSTON, MA 471,692471.7k $89.4m $89.4m 0.01% —
17 CITADEL ADVISORS LLC 0.10% of their portfolio MIAMI, FL 432,569432.6k $82.0m $82.0m 0.10% —
18 T. Rowe Price Investment Management, Inc. 0.05% of their portfolio BALTIMORE, MD 363,079363.1k $68.8m $68.8m 0.05% —
19 PFM Health Sciences, LP 2.61% of their portfolio SAN FRANCISCO, CA 360,030360.0k $68.3m $68.3m 2.61% —
20 Polar Capital Holdings Plc 0.43% of their portfolio London, X0 358,147358.1k $67.9m $67.9m 0.43% —
21 Bank of New York Mellon Corp 0.02% of their portfolio NEW YORK, NY 356,312356.3k $67.6m $67.6m 0.02% —
22 NORTHERN TRUST CORP 0.01% of their portfolio CHICAGO, IL 271,739271.7k $51.5m $51.5m 0.01% —
23 AMERICAN CENTURY COMPANIES INC 0.04% of their portfolio KANSAS CITY, MO 238,297238.3k $45.2m $45.2m 0.04% —
24 MILLENNIUM MANAGEMENT LLC 0.05% of their portfolio NEW YORK, NY 219,296219.3k $41.6m $41.6m 0.05% —
25 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.01% of their portfolio SAN FRANCISCO, CA 213,863213.9k $40.5m $40.5m 0.01% —
26 NEUBERGER BERMAN GROUP LLC 0.04% of their portfolio NEW YORK, NY 200,978201.0k $38.1m $38.1m 0.04% —
27 ADAGE CAPITAL PARTNERS GP, L.L.C. 0.09% of their portfolio Boston, MA 200,000200.0k $37.9m $37.9m 0.09% —
28 Bellevue Group AG 0.52% of their portfolio ZURICH, V8 189,774189.8k $36.0m $36.0m 0.52% —
29 LORD, ABBETT & CO. LLC 0.13% of their portfolio JERSEY CITY, NJ 185,000185.0k $35.1m $35.1m 0.13% —
30 Redmile Group, LLC 1.31% of their portfolio LARKSPUR, CA 178,792178.8k $33.9m $33.9m 1.31% —
31 PRINCIPAL FINANCIAL GROUP INC 0.02% of their portfolio DES MOINES, IA 152,078152.1k $28.8m $28.8m 0.02% —
32 AXA S.A. 0.06% of their portfolio PARIS, I0 150,586150.6k $28.6m $28.6m 0.06% —
33 MACQUARIE GROUP LTD 0.03% of their portfolio Sydney, NSW 2000, C3 143,810143.8k $27.4m $27.4m 0.03% —
34 GOLDMAN SACHS GROUP INC 0.01% of their portfolio NEW YORK, NY 140,378140.4k $26.6m $26.6m 0.01% —
35 MOORE CAPITAL MANAGEMENT, LP 0.72% of their portfolio NEW YORK, NY 137,968138.0k $26.2m $26.2m 0.72% —
36 RENAISSANCE TECHNOLOGIES LLC 0.04% of their portfolio NEW YORK, NY 136,400136.4k $25.9m $25.9m 0.04% —
37 ALLIANCEBERNSTEIN L.P. 0.01% of their portfolio NASHVILLE, TN 131,472131.5k $24.9m $24.9m 0.01% —
38 EATON VANCE MANAGEMENT 0.04% of their portfolio BOSTON, MA 126,475126.5k $24.0m $24.0m 0.04% —
39 Nuveen Asset Management, LLC 0.01% of their portfolio CHICAGO, IL 124,194124.2k $23.5m $23.5m 0.01% —
40 VOYA INVESTMENT MANAGEMENT LLC 0.03% of their portfolio ATLANTA, GA 113,932113.9k $21.6m $21.6m 0.03% —
41 DIMENSIONAL FUND ADVISORS LP 0.01% of their portfolio AUSTIN, TX 107,536107.5k $20.4m $20.4m 0.01% —
42 Artisan Partners Limited Partnership 0.04% of their portfolio Milwaukee, WI 107,051107.1k $20.3m $20.3m 0.04% —
43 FEDERATED HERMES, INC. 0.06% of their portfolio PITTSBURGH, PA 106,283106.3k $20.2m $20.2m 0.06% —
44 RHUMBLINE ADVISERS 0.03% of their portfolio BOSTON, MA 106,003106.0k $20.1m $20.1m 0.03% —
45 JPMORGAN CHASE & CO 0.00% of their portfolio NEW YORK, NY 103,859103.9k $19.7m $19.7m 0.00% —
46 Amundi 0.01% of their portfolio Paris, I0 98,36598.4k $19.3m $19.3m 0.01% —
47 Polar Asset Management Partners Inc. 0.22% of their portfolio TORONTO, A6 89,33989.3k $16.9m $16.9m 0.22% —
48 CARRET ASSET MANAGEMENT, LLC 2.50% of their portfolio NEW YORK, NY 88,50088.5k $16.8m $16.8m 2.50% —
49 Swiss National Bank 0.01% of their portfolio ZURICH, V8 84,90084.9k $16.1m $16.1m 0.01% —
50 California Public Employees Retirement System 0.01% of their portfolio Sacramento, CA 79,16179.2k $15.0m $15.0m 0.01% —
51 MANUFACTURERS LIFE INSURANCE COMPANY, THE 0.01% of their portfolio Toronto, A6 77,10877.1k $14.7m $14.7m 0.01% —
52 Atika Capital Management LLC 1.63% of their portfolio NEW YORK, NY 76,00076.0k $14.4m $14.4m 1.63% —
53 MORGAN STANLEY 0.00% of their portfolio NEW YORK, NY 74,42574.4k $14.1m $14.1m 0.00% —
54 E. Ohman J:or Asset Management AB 0.64% of their portfolio STOCKHOLM, V7 73,78073.8k $14.0m $14.0m 0.64% —
55 Legal & General Group Plc 0.00% of their portfolio London, X0 67,08067.1k $12.7m $12.7m 0.00% —
56 WCM INVESTMENT MANAGEMENT, LLC 0.05% of their portfolio LAGUNA BEACH, CA 66,82766.8k $12.8m $12.8m 0.05% —
57 BANK OF AMERICA CORP /DE/ 0.00% of their portfolio CHARLOTTE, NC 65,40465.4k $12.4m $12.4m 0.00% —
58 TD Asset Management Inc 0.02% of their portfolio Toronto, A6 65,30365.3k $12.5m $12.5m 0.02% —
59 NEW YORK STATE COMMON RETIREMENT FUND 0.02% of their portfolio ALBANY, NY 61,25761.3k $11.6m $11.6m 0.02% —
60 AMERICAN INTERNATIONAL GROUP, INC. 0.08% of their portfolio New York, NY 59,95260.0k $11.4m $11.4m 0.08% —
61 Woodline Partners LP 0.17% of their portfolio San Francisco, CA 59,50859.5k $11.3m $11.3m 0.17% —
62 Bridgewater Associates, LP 0.06% of their portfolio Westport, CT 58,51158.5k $11.1m $11.1m 0.06% —
63 AMERIPRISE FINANCIAL INC 0.00% of their portfolio MINNEAPOLIS, MN 52,72752.7k $10.0m $10.0m 0.00% —
64 UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.01% of their portfolio NEW YORK, NY 52,66052.7k $10.0m $10.0m 0.01% —
65 Retirement Systems of Alabama 0.04% of their portfolio MONTGOMERY, AL 49,60149.6k $9.4m $9.4m 0.04% —
66 AEGON ASSET MANAGEMENT UK Plc 0.19% of their portfolio EDINBURGH, X0 49,47649.5k $9.4m $9.4m 0.19% —
67 STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM 0.02% of their portfolio TALLAHASSEE, FL 47,71847.7k $9.0m $9.0m 0.02% —
68 Invesco Ltd. 0.00% of their portfolio ATLANTA, GA 46,64646.6k $8.8m $8.8m 0.00% —
69 PRIMECAP MANAGEMENT CO/CA/ 0.01% of their portfolio PASADENA, CA 45,82045.8k $8.7m $8.7m 0.01% —
70 STATE OF WISCONSIN INVESTMENT BOARD 0.03% of their portfolio MADISON, WI 45,53445.5k $8.6m $8.6m 0.03% —
71 CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.01% of their portfolio WEST SACRAMENTO, CA 44,99845.0k $8.5m $8.5m 0.01% —
72 Driehaus Capital Management LLC 0.13% of their portfolio Chicago, IL 43,55543.6k $8.3m $8.3m 0.13% —
73 WELLS FARGO & COMPANY/MN 0.00% of their portfolio SAN FRANCISCO, CA 43,20943.2k $8.2m $8.2m 0.00% —
74 TRILLIUM ASSET MANAGEMENT, LLC 0.26% of their portfolio BOSTON, MA 41,19241.2k $7.8m $7.8m 0.26% —
75 Balyasny Asset Management L.P. 0.03% of their portfolio Chicago, IL 38,94738.9k $7.4m $7.4m 0.03% —
76 Motley Fool Wealth Management, LLC 0.47% of their portfolio ALEXANDRIA, VA 37,52837.5k $7.1m $7.1m 0.47% —
77 Cordgrass Capital Advisors, LLC 2.78% of their portfolio RALEIGH, NC 37,37937.4k $7.1m $7.1m 2.78% —
78 VICTORY CAPITAL MANAGEMENT INC 0.01% of their portfolio San Antonio, TX 37,34437.3k $7.1m $7.1m 0.01% —
79 NEW YORK STATE TEACHERS RETIREMENT SYSTEM 0.02% of their portfolio ALBANY, NY 34,90934.9k $6.6m $6.6m 0.02% —
80 TEACHERS RETIREMENT SYSTEM OF THE STATE OF KENTUCKY 0.08% of their portfolio FRANKFORT, KY 33,89833.9k $6.4m $6.4m 0.08% —
81 Azimuth Capital Investment Management LLC 0.35% of their portfolio BLOOMFIELD HILLS, MI 33,76833.8k $6.4m $6.4m 0.35% —
82 MUTUAL OF AMERICA CAPITAL MANAGEMENT LLC 0.08% of their portfolio New York, NY 31,77831.8k $6.0m $6.0m 0.08% —
83 CREDIT SUISSE AG/ 0.01% of their portfolio ZURICH, V8 31,27231.3k $5.9m $5.9m 0.01% —
84 AMALGAMATED BANK 0.05% of their portfolio NEW YORK, NY 28,39328.4k $5.4m $5.4m 0.05% —
85 Laird Norton Wetherby Wealth Management, LLC 0.38% of their portfolio Seattle, WA 28,18828.2k $5.3m $5.3m 0.38% —
86 Weiss Multi-Strategy Advisers LLC 0.15% of their portfolio NEW YORK, NY 28,00028.0k $5.3m $5.3m 0.15% —
87 TEXAS PERMANENT SCHOOL FUND CORP 0.08% of their portfolio AUSTIN, TX 27,25227.3k $5.2m $5.2m 0.08% —
88 Lisanti Capital Growth, LLC 0.68% of their portfolio NEW YORK, NY 26,76026.8k $5.1m $5.1m 0.68% —
89 MetLife Investment Management, LLC 0.04% of their portfolio Whippany, NJ 25,76625.8k $4.9m $4.9m 0.04% —
90 CANADA LIFE ASSURANCE Co 0.01% of their portfolio WINNIPEG, A2 25,53125.5k $4.8m $4.8m 0.01% —
91 Point72 Asset Management, L.P. 0.02% of their portfolio STAMFORD, CT 25,40025.4k $4.8m $4.8m 0.02% —
92 IEQ CAPITAL, LLC 0.13% of their portfolio Foster City, CA 24,97925.0k $4.7m $4.7m 0.13% —
93 JANE STREET GROUP, LLC 0.01% of their portfolio NEW YORK, NY 24,75024.8k $4.7m $4.7m 0.01% —
94 State of New Jersey Common Pension Fund D 0.02% of their portfolio TRENTON, NJ 21,39321.4k $4.1m $4.1m 0.02% —
95 Mitsubishi UFJ Asset Management Co., Ltd. 0.01% of their portfolio TOKYO, M0 20,64920.6k $3.9m $3.9m 0.01% —
96 YOUSIF CAPITAL MANAGEMENT, LLC 0.05% of their portfolio BLOOMFIELD HILLS, MI 19,37119.4k $3.7m $3.7m 0.05% —
97 PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO 0.02% of their portfolio COLUMBUS, OH 19,12819.1k $3.6m $3.6m 0.02% —
98 EULAV Asset Management 0.15% of their portfolio SARASOTA, FL 18,10018.1k $3.4m $3.4m 0.15% —
99 Motley Fool Asset Management LLC 0.33% of their portfolio ALEXANDRIA, VA 17,78717.8k $3.4m $3.4m 0.33% —
100 UBS Group AG 0.00% of their portfolio ZURICH, V8 17,43817.4k $3.3m $3.3m 0.00% —