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	–	Sell	-100,000	Closed	-$530K	–	3083
2025 Q4	$530K	Buy	+100,000	New	+$688K	﹤0.01%	2069

Other funds holding NB

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

BHCM

Brevan Howard Capital Management St. Helier, Jersey $13.5B AUM 44.56% 1-Year Est. Return

State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return

PMG

Private Management Group Irvine, California $3.8B AUM 23.19% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Citigroup New York $303B AUM 53.02% 1-Year Est. Return

Citadel Advisors Miami, Florida $875B AUM 40.89% 1-Year Est. Return

Northern Trust Chicago, Illinois $860B AUM 41.15% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return

PEAK6's NB Position: Q2 2026 in Review

PEAK6 reduced its NioCorp Developments (NB) stake by 34% in Q2 2026, selling an estimated $34.5K and leaving 12,041 shares worth $58K. The position accounts for ﹤0.01% of the portfolio, ranked #2469.

PEAK6 first reported a position in NB in Q4 2025 and has held it in 3 quarters since. The position peaked at $589K in Q4 2025. 211 funds tracked by Wall St. Rank hold NB as of Q2 2026.

PEAK6 held 12,041 shares of NioCorp Developments worth $58K as of Q2 2026.
PEAK6 sold 6,303 NioCorp Developments shares in Q2 2026, an estimated $34.5K.
NioCorp Developments made up ﹤0.01% of PEAK6's portfolio in Q2 2026, its #2469 holding.
PEAK6 first reported a position in NioCorp Developments in Q4 2025 and has held it in 3 quarters since.
PEAK6's NioCorp Developments position peaked at $589K in Q4 2025.
211 funds tracked by Wall St. Rank held NioCorp Developments as of Q2 2026.

Based on PEAK6's 13F filing for Q2 2026, filed 13 Aug 2026.