PEAK6
NB

PEAK6’s NioCorp Developments NB Stock Holding History

PEAK6’s Portfolio NB Stock Details NB Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$223K Sell
50,000
-81,900
-62% -$470K ﹤0.01% 2244
2025
Q4 		$699K Sell
131,900
-449,100
-77% -$3.09M ﹤0.01% 1941
2025
Q3 		$3.88M Buy
+581,000
New +$2.45M 0.01% 1155

Other funds holding NB

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
BHCM
Brevan Howard Capital Management St. Helier, Jersey $11.3B AUM 35.84% 1-Year Est. Return
Citadel Advisors
Citadel Advisors Miami, Florida $618B AUM 30.34% 1-Year Est. Return
Alyeska Investment Group
Alyeska Investment Group Chicago, Illinois $35.4B AUM 33.54% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return
PMG
Private Management Group Irvine, California $3.47B AUM 13.39% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Citigroup
Citigroup New York $235B AUM 32.99% 1-Year Est. Return
Northern Trust
Northern Trust Chicago, Illinois $757B AUM 28.64% 1-Year Est. Return

PEAK6's NB Position: Q1 2026 in Review

PEAK6 reduced its NioCorp Developments (NB) stake by 83% in Q1 2026, selling an estimated $532K and leaving 18,344 shares worth $81.8K. The position accounts for ﹤0.01% of the portfolio, ranked #2406.

PEAK6 first reported a position in NB in Q4 2025 and has held it in 2 quarters since. The position peaked at $589K in Q4 2025. 204 funds tracked by Wall St. Rank hold NB as of Q1 2026.

  • PEAK6 held 18,344 shares of NioCorp Developments worth $81.8K as of Q1 2026.
  • PEAK6 sold 92,821 NioCorp Developments shares in Q1 2026, an estimated $532K.
  • NioCorp Developments made up ﹤0.01% of PEAK6's portfolio in Q1 2026, its #2406 holding.
  • PEAK6 first reported a position in NioCorp Developments in Q4 2025 and has held it in 2 quarters since.
  • PEAK6's NioCorp Developments position peaked at $589K in Q4 2025.
  • 204 funds tracked by Wall St. Rank held NioCorp Developments as of Q1 2026.

Based on PEAK6's 13F filing for Q1 2026, filed 14 May 2026.