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JANE STREET GROUP, LLC

Position in BLK — BlackRock, Inc.

CIK 1595888 NEW YORK, NY

Position in BLK

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$354,845,447
+$288,815,401 QoQ
Shares Held
369,031
+437.5% QoQ
Ownership
0.114%
of shares outstanding
% of Portfolio
0.25%
of 13F equity value
Holder Rank
#49
of 2,281 holders
Holding Since
Dec 2024
7 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in BLK Over Time

Shares Held

Position Value (USD)

Derivatives in BLK

reported options exposure · as of Jun 30, 2026
CallValue
$291,448,836
CallShares
303,100
PutValue
$310,391,568
PutShares
322,800

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 Asset Management

Financial Services · as of Jun 30, 2026

JANE STREET GROUP, LLC holds $1,702,319,227 across 220 Asset Management names. BLK ranks #1 (20.8% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 BLK
BlackRock, Inc.
This page
369,031 $354,845,447

All Filings in BLK

Export CSV
20 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $354,845,447 369,031
2026-06-30 $310,391,568 322,800
2026-06-30 $291,448,836 303,100
2026-03-31 $66,030,046 68,659
2026-03-31 $269,567,313 280,300
2026-03-31 $61,260,927 63,700
2025-12-31 $150,382,770 140,500
2025-12-31 $167,470,747 156,465
2025-12-31 $54,587,340 51,000
2025-09-30 $75,781,550 65,000
2025-09-30 $120,201,197 103,100
2025-09-30 $127,723,390 109,552
2025-06-30 $45,012,825 42,900
2025-06-30 $272,805,000 260,000
2025-03-31 $137,523,544 145,300
2025-03-31 $174,158,944 184,007
2025-03-31 $13,440,016 14,200
2024-12-31 $47,023,845 45,872
2024-12-31 $128,753,816 125,600
2024-12-31 $37,314,004 36,400