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CITADEL ADVISORS LLC

Position in PEN — Penumbra Inc

CIK 1423053 MIAMI, FL

Position in PEN

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$141,696,917
+$75,128,109 QoQ
Shares Held
448,763
+121.4% QoQ
Ownership
1.14%
of shares outstanding
% of Portfolio
0.09%
of 13F equity value
Holder Rank
#19
of 446 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in PEN Over Time

Shares Held

Position Value (USD)

Derivatives in PEN

reported options exposure · as of Jun 30, 2026
CallValue
$4,830,975
CallShares
15,300
PutValue
$11,872,200
PutShares
37,600

Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.

Position in Medical Devices

Healthcare · as of Jun 30, 2026

CITADEL ADVISORS LLC holds $3,441,341,341 across 94 Medical Devices names. PEN ranks #8 (4.1% of the industry book) .

# Ticker Company Shares Value (USD) Open
8 PEN
Penumbra Inc
This page
448,763 $141,696,917

All Filings in PEN

Export CSV
50 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $141,696,917 448,763
2026-06-30 $11,872,200 37,600
2026-06-30 $4,830,975 15,300
2026-03-31 $66,568,808 202,725
2026-03-31 $9,719,752 29,600
2026-03-31 $6,698,748 20,400
2025-12-31 $307,886,400 990,275
2025-12-31 $1,461,277 4,700
2025-12-31 $6,684,565 21,500
2025-09-30 $245,973,213 970,998
2025-09-30 $8,207,568 32,400
2025-09-30 $1,798,572 7,100
2025-06-30 $2,130,029 8,300
2025-06-30 $6,749,369 26,300
2025-06-30 $56,199,915 218,992
2025-03-31 $209,732,069 784,309
2025-03-31 $2,647,359 9,900
2025-03-31 $8,503,638 31,800
2024-12-31 $4,155,900 17,500
2024-12-31 $5,248,308 22,100
2024-12-31 $174,378,714 734,288
2024-09-30 $8,277,606 42,600
2024-09-30 $80,060,188 412,023
2024-09-30 $10,842,498 55,800
2024-06-30 $5,507,082 30,600
2024-06-30 $12,421,169 69,018
2024-06-30 $18,176,970 101,000
2024-03-31 $11,426,816 51,200
2024-03-31 $14,729,880 66,000
2024-03-31 $9,533,133 42,715
2023-12-31 $22,999,307 91,434
2023-12-31 $13,708,930 54,500
2023-12-31 $24,801,844 98,600
2023-09-30 $60,130,358 248,565
2023-09-30 $17,925,531 74,100
2023-09-30 $17,732,003 73,300
2023-06-30 $23,499,298 68,300
2023-06-30 $8,704,718 25,300
2023-06-30 $108,737,754 316,043
2023-03-31 $83,823,263 300,776
2023-03-31 $10,841,041 38,900
2023-03-31 $18,226,326 65,400
2022-12-31 $5,072,088 22,800
2022-12-31 $45,748,899 205,650
2022-12-31 $10,655,834 47,900
2022-09-30 $82,015,082 432,569
2022-09-30 $3,716,160 19,600
2022-09-30 $4,114,320 21,700
2022-06-30 $17,121,500 137,500
2022-06-30 $40,672,340 326,633