How We Invest

13F FILER

HBK Investments

HBK INVESTMENTS L P

No writing by this manager has been read and indexed yet, so this page carries the filings only. Holdings come straight from the Form 13F-HR on EDGAR.

276

Positions

$10.2B

Reported Value

53%

In Top 10

—

Claims Indexed

Largest reported positions

HBK INVESTMENTS L P • CIK 0001011443 • 2026-06-30 • FILED 2026-08-14

WHAT CHANGED THIS QUARTER

In its Q2 2026 13F, filed Aug 14, 2026, HBK Investments reported 276 positions worth $7.8B in US-listed stock. The largest stock position is Topbuild Cor at 9.1% of the reported book, and the ten largest lines of any type make up 53% of it.

It opened 83 new positions, the largest stock positions being Topbuild Cor ($930.6M), Bio-Techne Corp ($482.2M) and Nuvalent Inc ($430.2M), and exited 153, the largest stock exits being Hologic Inc ($740.8M last quarter), Masimo Corp ($458.2M last quarter) and Coterra Energy Inc ($371.4M last quarter).

Among positions it already held, the biggest increases by share count were Teck Resources Ltd (+264%), Chart Inds Inc (+160%) and Kenvue Inc (+33%), and the biggest cut was Electronic Arts Inc (−2%).

Largest reported positions, quarter ended 2026-06-30
IssuerValueWeightShares QoQ
TOPBUILD COR$930.6M9.1%New
ELECTRONIC ARTS INC$654.1M6.4%-2%
PENUMBRA INC$580.5M5.7%+13%
NORFOLK SOUTHN CORP$550.5M5.4%+1%
KENVUE INC$535.1M5.2%+33%
WARNER BROS DISCOVERY INC$505.6M4.9%+16%
BIO-TECHNE CORP$482.2M4.7%New
NUVALENT INC$430.2M4.2%New
APOGEE THERAPEUTICS INC$378.3M3.7%New
CHART INDS INC$373.8M3.6%+160%
STATE STR SPDR S&P 500 ETF T (Put)$349.4M3.4%+97%
TECK RESOURCES LTD$343.3M3.4%+264%
JANUS HENDERSON GROUP PLC$267.8M2.6%+22%
GAMESTOP CORP (PRN)$257.8M2.5%New
INVESCO QQQ TR (Put)$225.6M2.2%+105%
SILICON LABORATORIES INC$218.6M2.1%New
NVIDIA CORPORATION (Put)$206.0M2.0%-70%
STATE STR SPDR S&P 500 ETF T (Call)$187.5M1.8%New
ROKU INC$163.6M1.6%New
AES CORP$162.3M1.6%New

20 of 276 positions. 16.5% of reported value is options, where the figure is the notional value of the underlying rather than money spent. $760.3M of the reported value is Section 13(f) debt — convertible notes and the like — which the form covers alongside equities. A 13F covers long US-listed positions at a quarter end only — no shorts, leverage, cash, ordinary bonds or private holdings — and is 45 days old on publication.

NEW POSITIONS

  • Topbuild Cor$930.6M · 9.1%
  • Bio-Techne Corp$482.2M · 4.7%
  • Nuvalent Inc$430.2M · 4.2%
  • Apogee Therapeutics Inc$378.3M · 3.7%
  • Silicon Laboratories Inc$218.6M · 2.1%

EXITS

  • Hologic Inc$740.8M last quarter
  • Masimo Corp$458.2M last quarter
  • Coterra Energy Inc$371.4M last quarter
  • Air Lease Corp$358.9M last quarter
  • Clearwater Analytics Hldgs I$328.1M last quarter

QUESTIONS PEOPLE ASK

What are HBK Investments' largest holdings?

OPEN
As of Jun 30, 2026, the three largest stock positions are Topbuild Cor (9.1%), Electronic Arts Inc (6.4%) and Penumbra Inc (5.7%), together 21.1% of the reported book.

How big is HBK Investments' 13F portfolio?

OPEN
The Q2 2026 13F, filed Aug 14, 2026, reports 276 positions worth $10.2B. The ten largest make up 53% of it. 16.5% of that value is options, reported at the notional value of the underlying rather than money spent.

What did HBK Investments buy and sell in Q2 2026?

OPEN
It opened 83 new positions, the largest stock positions being Topbuild Cor ($930.6M), Bio-Techne Corp ($482.2M) and Nuvalent Inc ($430.2M), and exited 153, the largest stock exits being Hologic Inc ($740.8M last quarter), Masimo Corp ($458.2M last quarter) and Coterra Energy Inc ($371.4M last quarter). Among positions it already held, the biggest increases by share count were Teck Resources Ltd (+264%), Chart Inds Inc (+160%) and Kenvue Inc (+33%), and the biggest cut was Electronic Arts Inc (−2%).

When is HBK Investments' next 13F due?

OPEN
The Q3 2026 13F is due Nov 16, 2026. Forty-five days after the quarter ends is November 14, 2026 (Saturday), so the deadline moves to the next business day.

Filers with overlapping books