XT
NB

XTX Topco’s NioCorp Developments NB Stock Holding History

XTX Topco’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
Q2 		$409K Buy
+84,778
New +$464K 0.01% 2639
2026
Q1 		– Sell
-56,411
Closed -$299K – 4176
2025
Q4 		$299K Buy
56,411
+28,401
+101% +$195K 0.01% 2072
2025
Q3 		$187K Sell
28,010
-4,276
-13% -$18K 0.01% 1872
2025
Q2 		$75.2K Buy
+32,286
New +$80.5K ﹤0.01% 1934
2025
Q1 		– Sell
-18,274
Closed -$28.3K – 2845
2024
Q4 		$28.3K Buy
18,274
+454
+3% +$719 ﹤0.01% 1986
2024
Q3 		$38.8K Sell
17,820
-10,818
-38% -$19.8K ﹤0.01% 1732
2024
Q2 		$49.5K Buy
28,638
+14,966
+109% +$34.9K ﹤0.01% 1511
2024
Q1 		$37.2K Buy
+13,672
New +$38.4K 0.01% 1516

Other funds holding NB

BlackRock
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
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
PMG
Private Management Group Irvine, California $3.8B AUM 23.19% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Citigroup
Citigroup New York $303B AUM 53.02% 1-Year Est. Return
Citadel Advisors
Citadel Advisors Miami, Florida $875B AUM 40.89% 1-Year Est. Return
Northern Trust
Northern Trust Chicago, Illinois $860B AUM 41.15% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Goldman Sachs
Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return

XTX Topco's NB Position: Q2 2026 in Review

XTX Topco opened a new position in NioCorp Developments (NB) in Q2 2026: 84,778 shares worth $409K. The stake represents 0.01% of the portfolio and ranks #2639 among its holdings. This is a return to the name: XTX Topco previously reported a position in NB as recently as Q4 2025.

XTX Topco first reported a position in NB in Q1 2024 and has held it in 8 quarters since. 210 funds tracked by Wall St. Rank hold NB as of Q2 2026.

  • XTX Topco held 84,778 shares of NioCorp Developments worth $409K as of Q2 2026.
  • NioCorp Developments was a new XTX Topco position in Q2 2026.
  • NioCorp Developments made up 0.01% of XTX Topco's portfolio in Q2 2026, its #2639 holding.
  • XTX Topco first reported a position in NioCorp Developments in Q1 2024 and has held it in 8 quarters since.
  • 210 funds tracked by Wall St. Rank held NioCorp Developments as of Q2 2026.

Based on XTX Topco's 13F filing for Q2 2026, filed 14 Aug 2026.