JAT Capital Mgmt LP

CIK 0001834438 · GREENWICH, CT · Quarter end: 2026-06-30 · Filed on: 2026-08-14 · Open the SEC source

JAT Capital Mgmt LP reported 16 positions worth $47.4M as of June 30, 2026 (13F filed August 14, 2026). Largest holding: WDC (29.0%).

Portfolio Value (AUM)Total value of the fund's US stock portfolio reported to the SEC.
$47.4M
2026 Q2
Positions
16
Top-10 ConcentrationHow much of the portfolio sits in the 10 largest holdings. High = concentrated bets.
93.8%
Est. Net Flow (Q)
2026 Q2
10 / 16 positions shown
#SymbolCompanyTypeValue% Port.Shares1YYTD
1WDCWESTERN DIGITAL CORPSH$13.7M28.97%21,500
2ORCLORACLE CORPSH$7.6M15.94%51,560
3MUMICRON TECHNOLOGY INCSH$5.3M11.17%4,587
4HOODROBINHOOD MKTS INCSH$5.2M10.87%51,372
5AAOIAPPLIED OPTOELECTRONICS INCSH$3.9M8.28%26,500
6IRENIREN LIMITEDSH$2.4M5.16%53,500
7LITELUMENTUM HLDGS INCSH$2.0M4.25%2,350
8COHRCOHERENT CORPSH$2.0M4.16%5,000
9STXSEAGATE TECHNOLOGY HLDNGS PLSH$1.3M2.83%1,390
10MRVLMARVELL TECHNOLOGY INCSH$1.0M2.19%3,485

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Read the 2026-Q2 quarterly report · 13F Filing Calendar

Frequently Asked Questions

What stocks does JAT Capital Mgmt LP hold as of Q2 2026?

JAT Capital Mgmt LP reported 16 positions worth $47.4M in its Q2 2026 13F filing. Largest positions: WDC (29.0%), ORCL (15.9%), MU (11.2%), HOOD (10.9%) and AAOI (8.3%).

What did JAT Capital Mgmt LP buy in Q2 2026?

No previous quarter is available yet; the comparison appears with the next filing.

What did JAT Capital Mgmt LP sell in Q2 2026?

No previous quarter is available yet.

13F data shows quarter-end positions, is delayed by up to 45 days and covers only long positions in US-listed securities; short positions, most derivatives and non-US assets are not reported.