BBHC
OKLO

Brown Brothers Harriman & Co’s Oklo OKLO Stock Holding History

Brown Brothers Harriman & Co’s Portfolio OKLO Stock Details OKLO Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$63.9K Buy
1,221
+378
+45% +$23.6K ﹤0.01% 1077
2026
Q1 		$41.8K Buy
843
+833
+8,330% +$59.9K ﹤0.01% 1071
2025
Q4 		$718 Buy
+10
New +$1.11K ﹤0.01% 1791

Other funds holding OKLO

Mirae Asset Global ETFs Holdings
Mirae Asset Global ETFs Holdings Causeway Bay, Hong Kong $83.9B AUM 60.43% 1-Year Est. Return
VanEck Associates
VanEck Associates New York $164B AUM 112.45% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return
Norges Bank
Norges Bank Oslo, Norway $1T AUM

Brown Brothers Harriman & Co's OKLO Position: Q2 2026 in Review

Brown Brothers Harriman & Co increased its Oklo (OKLO) stake by 45% in Q2 2026, buying an estimated $23.6K and bringing the position to 1,221 shares worth $63.9K. The position accounts for ﹤0.01% of the portfolio, ranked #1077.

Brown Brothers Harriman & Co first reported a position in OKLO in Q4 2025 and has held it in 3 quarters since. 668 funds tracked by Wall St. Rank hold OKLO as of Q2 2026.

  • Brown Brothers Harriman & Co held 1,221 shares of Oklo worth $63.9K as of Q2 2026.
  • Brown Brothers Harriman & Co bought 378 Oklo shares in Q2 2026, an estimated $23.6K.
  • Oklo made up ﹤0.01% of Brown Brothers Harriman & Co's portfolio in Q2 2026, its #1077 holding.
  • Brown Brothers Harriman & Co first reported a position in Oklo in Q4 2025 and has held it in 3 quarters since.
  • 668 funds tracked by Wall St. Rank held Oklo as of Q2 2026.

Based on Brown Brothers Harriman & Co's 13F filing for Q2 2026, filed 12 Aug 2026.