William Blair & Company
AUTL

William Blair & Company’s Autolus Therapeutics AUTL Stock Holding History

William Blair & Company’s Portfolio AUTL Stock Details AUTL Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$24K Buy
+15,000
New +$23.5K ﹤0.01% 1842
2025
Q2 		– Sell
-12,794
Closed -$19.8K – 1830
2025
Q1 		$19.8K Hold
12,794
– – ﹤0.01% 1665
2024
Q4 		$30.1K Sell
12,794
-2,138
-14% -$7.23K ﹤0.01% 1659
2024
Q3 		$54.2K Sell
14,932
-3,862
-21% -$15.4K ﹤0.01% 1618
2024
Q2 		$65.4K Sell
18,794
-313
-2% -$1.35K ﹤0.01% 1566
2024
Q1 		$122K Sell
19,107
-8,000
-30% -$49.9K ﹤0.01% 1486
2023
Q4 		$175K Buy
27,107
+14,000
+107% +$53.4K ﹤0.01% 1422
2023
Q3 		$30.5K Hold
13,107
– – ﹤0.01% 1638
2023
Q2 		$31.2K Hold
13,107
– – ﹤0.01% 1648
2023
Q1 		$24.1K Sell
13,107
-234
-2% -$457 ﹤0.01% 1670
2022
Q4 		$25.3K Hold
13,341
– – ﹤0.01% 1659
2022
Q3 		$29K Hold
13,341
– – ﹤0.01% 1659
2022
Q2 		$38K Hold
13,341
– – ﹤0.01% 1655
2022
Q1 		$56K Buy
13,341
+2,172
+19% +$9.13K ﹤0.01% 1697
2021
Q4 		$58K Buy
+11,169
New +$67K ﹤0.01% 1759
2019
Q2 		– Sell
-12,000
Closed -$378K – 1731
2019
Q1 		$378K Sell
12,000
-9,600
-44% -$273K ﹤0.01% 1058
2018
Q4 		$709K Sell
21,600
-9,200
-30% -$303K 0.01% 794
2018
Q3 		$945K Buy
30,800
+22,000
+250% +$594K 0.01% 763
2018
Q2 		$236K Buy
+8,800
New +$233K ﹤0.01% 1211

Other funds holding AUTL

MCO
MAK Capital One New York $714M AUM 68.07% 1-Year Est. Return
Blackstone Inc
Blackstone Inc New York $32.9B AUM 23.66% 1-Year Est. Return
SP
Syncona Portfolio St Peter Port, Guernsey $26.6M AUM 10.36% 1-Year Est. Return
AC
Armistice Capital New York $8.17B AUM 68.82% 1-Year Est. Return
TAM
TFG Asset Management Grand Cayman, Cayman Islands $635M AUM 28.07% 1-Year Est. Return
Schroder Investment Management Group
Schroder Investment Management Group London, United Kingdom $141B AUM 34.18% 1-Year Est. Return
FLSM
Frazier Life Sciences Management Palo Alto, California $4.59B AUM 237.58% 1-Year Est. Return
BNP Paribas Asset Management
BNP Paribas Asset Management Paris, France $99.8B AUM 45.22% 1-Year Est. Return
LCM
Laurion Capital Management New York $3.9B AUM 75.03% 1-Year Est. Return
Renaissance Technologies
Renaissance Technologies New York $72.6B AUM 54.88% 1-Year Est. Return

William Blair & Company's AUTL Position: Q2 2026 in Review

William Blair & Company opened a new position in Autolus Therapeutics (AUTL) in Q2 2026: 15,000 shares worth $24K. The stake represents ﹤0.01% of the portfolio and ranks #1842 among its holdings. This is a return to the name: William Blair & Company previously reported a position in AUTL as recently as Q1 2025.

William Blair & Company first reported a position in AUTL in Q2 2018 and has held it in 19 quarters since. The position peaked at $945K in Q3 2018. 84 funds tracked by Wall St. Rank hold AUTL as of Q2 2026.

  • William Blair & Company held 15,000 shares of Autolus Therapeutics worth $24K as of Q2 2026.
  • Autolus Therapeutics was a new William Blair & Company position in Q2 2026.
  • Autolus Therapeutics made up ﹤0.01% of William Blair & Company's portfolio in Q2 2026, its #1842 holding.
  • William Blair & Company first reported a position in Autolus Therapeutics in Q2 2018 and has held it in 19 quarters since.
  • William Blair & Company's Autolus Therapeutics position peaked at $945K in Q3 2018.
  • 84 funds tracked by Wall St. Rank held Autolus Therapeutics as of Q2 2026.

Based on William Blair & Company's 13F filing for Q2 2026, filed 11 Aug 2026.