Closest competitors for this slot.
In third place: Spanish
Baleares class frigate (variation of US
Knox class frigate)
Displacement: 3015 tons (standard), 4177 tons (full load)
1 Mk13 Standard SAM launcher (16 Missiles)
In second place: Dutch
Jacob van Heemskerck class L-frigate (variation of Dutch
Kortenaer class S-frigate)
Displacement: 3000 tons standard (3,750 tons full load)
RIM-66 Standard SAM from a Mk13 Guided Missile Launch System (40 missiles total) plus RIM-7 NATO Sea Sparrow SAM from a Mk29 Guided Missile Launch System (8 missile in the launcher and 16 in the magazine)
And the winner is: US
Brooke class frigate (variation of US
Garcia class frigate)
Displacement: 2,640 tons std 3,426 tons full
Mk 22 RIM-24 Tartar/RIM-66 Standard missile launcher (16 missiles)
Below is an interesting Kortenaer class variation (with Mk13 for SM1), proposed for Imperial navy of Iran (under the Shah): several (8?) ordered but cancelled, which would have accompanied the Spruance class variation for Iran that later became the 4 ship Kidd class. More info
here