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Equibles

JANE STREET GROUP, LLC

Position in RGEN — Repligen Corp

CIK 1595888 NEW YORK, NY
Back to RGEN Full portfolio

Position in RGEN

as of Mar 31, 2026 · filed May 12, 2026
Position Value
$4,121,107
-$1,911,561 QoQ
Shares Held
34,978
-5.0% QoQ
Ownership
0.062%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in RGEN Over Time

Shares Held

Position Value (USD)

Derivatives in RGEN

reported options exposure · as of Mar 31, 2026
CallValue
$0
CallShares
0
PutValue
$25,943,964
PutShares
220,200

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 Instruments & Supplies

Healthcare · as of Mar 31, 2026

JANE STREET GROUP, LLC holds $433,568,993 across 28 Medical Instruments & Supplies names. RGEN ranks #16 (1.0% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 MDLN
Medline Inc.
 1,996,552 $88,846,563
2 WST
West Pharmaceutical Services Inc
 305,132 $76,478,284
3 ISRG
Intuitive Surgical Inc
 118,543 $54,647,136
4 AVTR
Avantor, Inc.
 4,966,462 $38,937,061
5 BDX
Becton Dickinson & Co
 205,447 $32,302,431
6 ALC
Alcon Inc
 369,547 $27,845,365
7 TFX
Teleflex Inc
 173,278 $20,725,781
8 NVST
Envista Holdings Corp
 639,850 $16,232,993

All Filings in RGEN

Export CSV
50 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $4,121,107 34,978
2026-03-31 $25,943,964 220,200
2025-12-31 $52,664,604 321,400
2025-12-31 $278,562 1,700
2025-12-31 $6,032,668 36,816
2025-09-30 $19,411,022 145,216
2025-09-30 $51,596,620 386,000
2025-09-30 $4,785,386 35,800
2025-06-30 $820,908 6,600
2025-06-30 $42,525,522 341,900
2025-06-30 $26,005,369 209,080
2025-03-31 $992,472 7,800
2025-03-31 $24,989,936 196,400
2025-03-31 $19,684,536 154,704
2024-12-31 $2,312,251 16,064
2024-12-31 $17,819,772 123,800
2024-12-31 $9,500,040 66,000
2024-09-30 $7,574,938 50,900
2024-09-30 $16,697,604 112,200
2024-09-30 $11,044,377 74,213
2024-06-30 $16,035,461 127,205
2024-03-31 $6,748,024 36,690
2023-12-31 $7,561,668 42,056
2023-09-30 $4,282,934 26,935
2023-06-30 $2,159,669 15,267
2023-03-31 $5,307,716 31,526
2022-12-31 $2,010,724 11,876
2022-09-30 $33,083,854 176,815
2022-06-30 $5,210,441 32,084
2022-03-31 $763,457 4,059
2022-03-31 $6,056,498 32,200
2022-03-31 $7,429,555 39,500
2021-12-31 $10,174,357 38,417
2021-12-31 $8,660,268 32,700
2021-12-31 $7,203,648 27,200
2021-09-30 $10,461,438 36,200
2021-09-30 $15,316,470 53,000
2021-09-30 $21,257,526 73,558
2021-06-30 $2,874,528 14,400
2021-06-30 $2,595,060 13,000
2021-06-30 $2,670,515 13,378
2021-03-31 $6,357,207 32,700
2021-03-31 $5,171,306 26,600
2021-03-31 $3,108,226 15,988
2020-12-31 $2,963,939 15,467
2020-12-31 $5,039,869 26,300
2020-12-31 $2,893,613 15,100
2020-09-30 $1,195,074 8,100
2020-09-30 $280,326 1,900
2020-09-30 $3,129,913 21,214

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