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Oberweis Asset Management’s Merck MRK Stock Holding History

Oberweis Asset Management’s Portfolio MRK Stock Details MRK Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$222K Hold
1,730
– – ﹤0.01% 174
2026
Q1 		$208K Buy
+1,730
New +$200K 0.01% 179
2024
Q3 		– Sell
-1,730
Closed -$214K – 215
2024
Q2 		$214K Hold
1,730
– – 0.01% 195
2024
Q1 		$228K Buy
+1,730
New +$213K 0.02% 193

Other funds holding MRK

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Charles Schwab
Charles Schwab San Francisco, California $751B AUM 38.74% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return

Oberweis Asset Management's MRK Position: Q2 2026 in Review

Oberweis Asset Management held its Merck (MRK) position steady in Q2 2026 at 1,730 shares worth $222K. The position accounts for ﹤0.01% of the portfolio, ranked #174.

Oberweis Asset Management first reported a position in MRK in Q1 2024 and has held it in 4 quarters since. The position peaked at $228K in Q1 2024. 3,818 funds tracked by Wall St. Rank hold MRK as of Q2 2026.

  • Oberweis Asset Management held 1,730 shares of Merck worth $222K as of Q2 2026.
  • Oberweis Asset Management left its Merck share count unchanged in Q2 2026.
  • Merck made up ﹤0.01% of Oberweis Asset Management's portfolio in Q2 2026, its #174 holding.
  • Oberweis Asset Management first reported a position in Merck in Q1 2024 and has held it in 4 quarters since.
  • Oberweis Asset Management's Merck position peaked at $228K in Q1 2024.
  • 3,818 funds tracked by Wall St. Rank held Merck as of Q2 2026.

Based on Oberweis Asset Management's 13F filing for Q2 2026, filed 14 Aug 2026.