GGHC
NB

Gilder Gagnon Howe & Co’s NioCorp Developments NB Stock Holding History

Gilder Gagnon Howe & Co’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
-345,405
Closed -$1.83M – 268
2025
Q4 		$1.83M Buy
345,405
+126,171
+58% +$868K 0.02% 200
2025
Q3 		$1.46M Buy
+219,234
New +$925K 0.01% 204

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

Gilder Gagnon Howe & Co's NB Position: Q1 2026 in Review

Gilder Gagnon Howe & Co sold out of NioCorp Developments (NB) in Q1 2026, closing a stake of 345,405 shares — an estimated $1.83M sold.

Gilder Gagnon Howe & Co first reported a position in NB in Q3 2025 and held it in 2 quarters. The position peaked at $1.83M in Q4 2025. 204 funds tracked by Wall St. Rank hold NB as of Q1 2026.

  • Gilder Gagnon Howe & Co reported no remaining NioCorp Developments position as of Q1 2026 after selling out during the quarter.
  • Gilder Gagnon Howe & Co sold 345,405 NioCorp Developments shares in Q1 2026, an estimated $1.83M.
  • Gilder Gagnon Howe & Co first reported a position in NioCorp Developments in Q3 2025 and held it in 2 quarters.
  • Gilder Gagnon Howe & Co's NioCorp Developments position peaked at $1.83M in Q4 2025.
  • 204 funds tracked by Wall St. Rank held NioCorp Developments as of Q1 2026.

Based on Gilder Gagnon Howe & Co's 13F filing for Q1 2026, filed 15 May 2026.