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Equibles

JANE STREET GROUP, LLC

Position in PROK — Prokidney Corp.

CIK 1595888 NEW YORK, NY
Back to PROK Full portfolio

Position in PROK

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$81,478
-$391,591 QoQ
Shares Held
39,941
-84.9% QoQ
Ownership
0.013%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#38
of 70 holders
Holding Since
Jun 2021
9 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in PROK Over Time

Shares Held

Position Value (USD)

Derivatives in PROK

reported options exposure · as of Jun 30, 2026
CallValue
$122,808
CallShares
60,200
PutValue
$74,256
PutShares
36,400

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 Biotechnology

Healthcare · as of Jun 30, 2026

JANE STREET GROUP, LLC holds $1,372,940,661 across 293 Biotechnology names. PROK ranks #213 (0.0% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 BBIO
BridgeBio Pharma, Inc.
 2,934,193 $218,538,693
2 MDGL
Madrigal Pharmaceuticals, Inc.
 191,541 $102,847,939
3 AXSM
Axsome Therapeutics, Inc.
 403,995 $98,885,855
4 TGTX
Tg Therapeutics, Inc.
 1,752,646 $96,290,370
5 EXEL
Exelixis, Inc.
 1,402,438 $76,306,651
6 QURE
uniQure N.V.
 1,610,483 $74,178,846
7 HALO
Halozyme Therapeutics, Inc.
 694,684 $54,372,915
8 TVTX
Travere Therapeutics, Inc.
 938,699 $53,327,489

All Filings in PROK

Export CSV
12 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $74,256 36,400
2026-06-30 $81,478 39,941
2026-06-30 $122,808 60,200
2026-03-31 $65,156 36,400
2026-03-31 $22,554 12,600
2026-03-31 $473,069 264,285
2025-12-31 $1,106,220 493,849
2025-12-31 $81,536 36,400
2025-12-31 $35,616 15,900
2025-09-30 $60,258 24,900
2025-09-30 $26,862 11,100
2025-09-30 $166,961 68,993