Instuitional Investor - Jane Street Group, Llc

13F Holdings

Filing Period:

No.	Security	Ticker	Shares	Value	% Port
1.	Spdr S & P 500 Etf TrustPUT	SPY	155,415,400	$116,059,558,258	9.63%
2.	Spdr S & P 500 Etf TrustCALL	SPY	72,825,000	$54,383,525,250	4.51%
3.	Micron Technology IncPUT	MU	36,420,900	$42,040,280,661	3.49%
4.	Invesco Qqq TrPUTPUT		49,238,200	$36,259,010,480	3.01%
5.	Spdr S & P 500 Etf Trust	SPY	44,258,657	$33,051,037,288	2.74%