MSR
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Main Street Research’s AstraZeneca AZN Stock Holding History

Main Street Research’s Portfolio AZN Stock Details AZN Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$37.4M Buy
197,417
+6,773
+4% +$1.27M 1.77% 26
2026
Q1 		$37.6M Buy
190,644
+5,035
+3% +$971K 2.19% 24
2025
Q4 		$34.1M Buy
+185,609
New +$32.6M 1.95% 26
2025
Q2 		– Sell
-101,256
Closed -$14.9M – 116
2025
Q1 		$14.9M Buy
+101,256
New +$14.6M 0.97% 32
2016
Q1 		– Sell
-54,164
Closed -$3.68M – 95
2015
Q4 		$3.68M Sell
54,164
-1,890
-3% -$124K 0.79% 50
2015
Q3 		$3.58M Sell
56,054
-54,133
-49% -$3.56M 0.84% 49
2015
Q2 		$7.02M Buy
110,187
+1,522
+1% +$104K 1.44% 33
2015
Q1 		$7.44M Buy
108,665
+3,920
+4% +$272K 1.6% 23
2014
Q4 		$7.37M Buy
104,745
+3,570
+4% +$256K 1.58% 23
2014
Q3 		$7.23M Buy
101,175
+200
+0.2% +$14.6K 1.61% 15
2014
Q2 		$7.5M Buy
100,975
+30
+0% +$2.17K 1.77% 11
2014
Q1 		$6.55M Buy
100,945
+5,276
+6% +$341K 1.59% 17
2013
Q4 		$5.68M Buy
95,669
+3,720
+4% +$202K 1.42% 28
2013
Q3 		$4.78M Sell
91,949
-2,615
-3% -$131K 1.29% 34
2013
Q2 		$4.47M Buy
+94,564
New +$4.82M 1.35% 26

Other funds holding AZN

RG
Rathbones Group Liverpool, United Kingdom $27.1B AUM 20.2% 1-Year Est. Return
CDDEC
Caisse Des Depots Et Consignations Paris, France $5.91B AUM 35.65% 1-Year Est. Return
Pictet Asset Management
Pictet Asset Management Carouge, Switzerland $105B AUM 38.07% 1-Year Est. Return
Swedbank
Swedbank Stockholm, Sweden $116B AUM 46.87% 1-Year Est. Return
BTCPP
Border to Coast Pensions Partnership Leeds, United Kingdom $6.78B AUM 31.6% 1-Year Est. Return
AAMU
AEGON Asset Management (UK) Edinburgh, United Kingdom $9.38B AUM 48.94% 1-Year Est. Return
Ninety One (UK)
Ninety One (UK) London, United Kingdom $44.7B AUM 17.24% 1-Year Est. Return
Assenagon Asset Management
Assenagon Asset Management Senningerberg, Luxembourg $80.2B AUM 50.57% 1-Year Est. Return
AIM
Artemis Investment Management Edinburgh, United Kingdom $11.2B AUM 80.72% 1-Year Est. Return
AV
ASR Vermogensbeheer Utrecht, Netherlands $9.71B AUM 37.32% 1-Year Est. Return

Main Street Research's AZN Position: Q2 2026 in Review

Main Street Research increased its AstraZeneca (AZN) stake by 3.6% in Q2 2026, buying an estimated $1.27M and bringing the position to 197,417 shares worth $37.4M. The position accounts for 1.77% of the portfolio, ranked #26.

Main Street Research first reported a position in AZN in Q2 2013 and has held it in 15 quarters since. The position peaked at $37.6M in Q1 2026. 602 funds tracked by Wall St. Rank hold AZN as of Q2 2026.

  • Main Street Research held 197,417 shares of AstraZeneca worth $37.4M as of Q2 2026.
  • Main Street Research bought 6,773 AstraZeneca shares in Q2 2026, an estimated $1.27M.
  • AstraZeneca made up 1.77% of Main Street Research's portfolio in Q2 2026, its #26 holding.
  • Main Street Research first reported a position in AstraZeneca in Q2 2013 and has held it in 15 quarters since.
  • Main Street Research's AstraZeneca position peaked at $37.6M in Q1 2026.
  • 602 funds tracked by Wall St. Rank held AstraZeneca as of Q2 2026.

Based on Main Street Research's 13F filing for Q2 2026, filed 29 Jul 2026.