Optiver Holding
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Optiver Holding’s Bank of Marin Bancorp BMRC Stock Holding History

Optiver Holding’s Portfolio BMRC Stock Details BMRC Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$997 Sell
36
-112
-76% -$2.92K ﹤0.01% 2485
2026
Q1 		$3.79K Hold
148
– – ﹤0.01% 1548
2025
Q4 		$3.85K Hold
148
– – ﹤0.01% 1557
2025
Q3 		$3.59K Buy
+148
New +$3.58K ﹤0.01% 2052

Other funds holding BMRC

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
AllianceBernstein
AllianceBernstein Nashville, Tennessee $302B AUM 26.44% 1-Year Est. Return
HAM
HoldCo Asset Management Fort Lauderdale, Florida $1.56B AUM 45.42% 1-Year Est. Return
Manulife (Manufacturers Life Insurance)
Manulife (Manufacturers Life Insurance) Canada, Ontario, Canada $128B AUM 35.83% 1-Year Est. Return
Ameriprise
Ameriprise Minneapolis, Minnesota $495B AUM 43.24% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Two Sigma Investments
Two Sigma Investments New York $138B AUM 41.87% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Optiver Holding's BMRC Position: Q2 2026 in Review

Optiver Holding reduced its Bank of Marin Bancorp (BMRC) stake by 76% in Q2 2026, selling an estimated $2.92K and leaving 36 shares worth $997. The position accounts for ﹤0.01% of the portfolio, ranked #2485.

Optiver Holding first reported a position in BMRC in Q3 2025 and has held it in 4 quarters since. The position peaked at $3.85K in Q4 2025. 142 funds tracked by Wall St. Rank hold BMRC as of Q2 2026.

  • Optiver Holding held 36 shares of Bank of Marin Bancorp worth $997 as of Q2 2026.
  • Optiver Holding sold 112 Bank of Marin Bancorp shares in Q2 2026, an estimated $2.92K.
  • Bank of Marin Bancorp made up ﹤0.01% of Optiver Holding's portfolio in Q2 2026, its #2485 holding.
  • Optiver Holding first reported a position in Bank of Marin Bancorp in Q3 2025 and has held it in 4 quarters since.
  • Optiver Holding's Bank of Marin Bancorp position peaked at $3.85K in Q4 2025.
  • 142 funds tracked by Wall St. Rank held Bank of Marin Bancorp as of Q2 2026.

Based on Optiver Holding's 13F filing for Q2 2026, filed 12 Aug 2026.