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Balyasny Asset Management L.P.

Position in PEN — Penumbra Inc

CIK 1218710 Chicago, IL

Position in PEN

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$344,218,967
+$93,969,504 QoQ
Shares Held
1,090,163
+43.0% QoQ
Ownership
2.77%
of shares outstanding
% of Portfolio
0.68%
of 13F equity value
Holder Rank
#7
of 446 holders
Holding Since
Mar 2020
17 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 Dec 31, 2023
CallValue
$10,061,600
CallShares
40,000
PutValue
$0
PutShares
0

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

Balyasny Asset Management L.P. holds $726,781,729 across 37 Medical Devices names. PEN ranks #1 (47.4% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 PEN
Penumbra Inc
This page
1,090,163 $344,218,967
6
739,829 $18,406,945

All Filings in PEN

Export CSV
20 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $344,218,967 1,090,163
2026-03-31 $250,249,463 762,096
2025-12-31 $50,339,749 161,911
2025-09-30 $43,475,538 171,623
2025-03-31 $29,700,693 111,068
2024-03-31 $28,178,929 126,261
2023-12-31 $7,386,975 29,367
2023-12-31 $10,061,600 40,000
2023-09-30 $18,868,980 78,000
2023-09-30 $32,854,280 135,812
2023-06-30 $38,120,815 110,797
2022-12-31 $21,031,590 94,541
2022-09-30 $7,384,351 38,947
2022-09-30 $2,464,800 13,000
2022-06-30 $18,969,999 152,345
2022-03-31 $29,051,494 130,786
2021-12-31 $36,520,670 127,108
2021-09-30 $30,730,381 115,311
2021-06-30 $15,125,371 55,190
2020-03-31 $10,745,868 66,608