Wellington Management Group
LBRX

Wellington Management Group’s LB Pharmaceuticals LBRX Stock Holding History

Wellington Management Group’s Portfolio LBRX Stock Details LBRX Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$1.3M Buy
+52,640
New +$1.21M ﹤0.01% 1626
2025
Q4 		– Sell
-344,657
Closed -$5.44M – 2120
2025
Q3 		$5.44M Buy
+344,657
New +$5.47M ﹤0.01% 1425

Other funds holding LBRX

DTC
Deep Track Capital Greenwich, Connecticut $6.12B AUM 144% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
RCM
RA Capital Management Boston, Massachusetts $9.44B AUM 157.3% 1-Year Est. Return
TCM
TCG Crossover Management Palo Alto, California $3.5B AUM 1,165.83% 1-Year Est. Return
CC
Commodore Capital New York $1.73B AUM 298.96% 1-Year Est. Return
CP
Caligan Partners New York $1.5B AUM 518.95% 1-Year Est. Return
SSC
Spruce Street Capital New York $416M AUM
JP Morgan Chase
JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return
TECP
Trails Edge Capital Partners Atlanta, Georgia $437M AUM
NCM
Nantahala Capital Management New Canaan, Connecticut $2.72B AUM 121.58% 1-Year Est. Return

Wellington Management Group's LBRX Position: Q1 2026 in Review

Wellington Management Group opened a new position in LB Pharmaceuticals (LBRX) in Q1 2026: 52,640 shares worth $1.3M. The stake represents ﹤0.01% of the portfolio and ranks #1626 among its holdings. This is a return to the name: Wellington Management Group previously reported a position in LBRX as recently as Q3 2025.

Wellington Management Group first reported a position in LBRX in Q3 2025 and has held it in 2 quarters since. The position peaked at $5.44M in Q3 2025. 77 funds tracked by Wall St. Rank hold LBRX as of Q1 2026.

  • Wellington Management Group held 52,640 shares of LB Pharmaceuticals worth $1.3M as of Q1 2026.
  • LB Pharmaceuticals was a new Wellington Management Group position in Q1 2026.
  • LB Pharmaceuticals made up ﹤0.01% of Wellington Management Group's portfolio in Q1 2026, its #1626 holding.
  • Wellington Management Group first reported a position in LB Pharmaceuticals in Q3 2025 and has held it in 2 quarters since.
  • Wellington Management Group's LB Pharmaceuticals position peaked at $5.44M in Q3 2025.
  • 77 funds tracked by Wall St. Rank held LB Pharmaceuticals as of Q1 2026.

Based on Wellington Management Group's 13F filing for Q1 2026, filed 15 May 2026.