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D. E. Shaw & Co., Inc.

Position in PEN — Penumbra Inc

CIK 1009207 New York, NY

Position in PEN

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$62,306,631
-$4,007,689 QoQ
Shares Held
197,329
-2.3% QoQ
Ownership
0.501%
of shares outstanding
% of Portfolio
0.04%
of 13F equity value
Holder Rank
#38
of 446 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority Sole 97% Shared 0% None 3%

Common Shares in PEN Over Time

Shares Held

Position Value (USD)

Derivatives in PEN

reported options exposure · as of Sep 30, 2025
CallValue
$2,887,848
CallShares
11,400
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

D. E. Shaw & Co., Inc. holds $2,440,827,278 across 59 Medical Devices names. PEN ranks #10 (2.6% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in PEN

Export CSV
49 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $62,306,631 197,329
2026-03-31 $66,314,320 201,950
2025-12-31 $2,339,286 7,524
2025-09-30 $1,921,685 7,586
2025-09-30 $2,887,848 11,400
2025-06-30 $2,925,582 11,400
2025-06-30 $1,946,794 7,586
2025-03-31 $3,048,474 11,400
2025-03-31 $2,028,572 7,586
2024-12-31 $1,620,088 6,822
2024-12-31 $332,472 1,400
2024-09-30 $6,179,058 31,800
2024-09-30 $1,674,952 8,620
2024-09-30 $2,564,892 13,200
2024-06-30 $1,541,802 8,567
2024-06-30 $6,046,992 33,600
2024-06-30 $2,123,646 11,800
2024-03-31 $347,937 1,559
2024-03-31 $10,578,732 47,400
2024-03-31 $6,851,626 30,700
2023-12-31 $16,953,796 67,400
2023-12-31 $7,722,278 30,700
2023-09-30 $23,900,708 98,800
2023-09-30 $5,007,537 20,700
2023-09-30 $241,910 1,000
2023-06-30 $5,703,826 16,578
2023-06-30 $26,561,432 77,200
2023-03-31 $6,967,250 25,000
2023-03-31 $14,324,666 51,400
2022-12-31 $2,224,600 10,000
2022-12-31 $5,561,500 25,000
2022-09-30 $5,934,480 31,300
2022-09-30 $1,195,617 6,306
2022-06-30 $1,232,748 9,900
2022-03-31 $2,088,022 9,400
2022-03-31 $372,956 1,679
2021-12-31 $597,050 2,078
2021-12-31 $2,873,200 10,000
2021-09-30 $5,330,000 20,000
2021-09-30 $2,665,000 10,000
2021-09-30 $1,289,860 4,840
2021-06-30 $5,481,200 20,000
2021-06-30 $17,978,336 65,600
2021-03-31 $17,750,048 65,600
2020-12-31 $1,750,000 10,000
2020-09-30 $1,943,800 10,000
2020-09-30 $1,432,774 7,371
2020-06-30 $1,788,200 10,000
2020-03-31 $1,613,300 10,000