William Blair & Company
PSTX

William Blair & Company’s Poseida Therapeutics, Inc. Common Stock PSTX Stock Holding History

William Blair & Company’s Portfolio PSTX Stock Details PSTX Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2024
Q4 		– Sell
-1,112,140
Closed -$3.18M – 1896
2024
Q3 		$3.18M Buy
1,112,140
+10,815
+1% +$33.5K 0.01% 603
2024
Q2 		$3.22M Buy
1,101,325
+136,273
+14% +$373K 0.01% 577
2024
Q1 		$3.08M Buy
965,052
+282,310
+41% +$941K 0.01% 580
2023
Q4 		$2.29M Sell
682,742
-57,908
-8% -$149K 0.01% 650
2023
Q3 		$1.76M Buy
740,650
+171,910
+30% +$360K 0.01% 684
2023
Q2 		$1M Buy
568,740
+534,397
+1,556% +$1.37M ﹤0.01% 840
2023
Q1 		$106K Buy
34,343
+15,200
+79% +$91.1K ﹤0.01% 1495
2022
Q4 		$101K Buy
19,143
+1,500
+9% +$6.86K ﹤0.01% 1489
2022
Q3 		$62K Sell
17,643
-30,774
-64% -$102K ﹤0.01% 1571
2022
Q2 		$125K Buy
48,417
+3,200
+7% +$8.9K ﹤0.01% 1502
2022
Q1 		$203K Sell
45,217
-3,746
-8% -$16.9K ﹤0.01% 1508
2021
Q4 		$333K Buy
+48,963
New +$334K ﹤0.01% 1380

Other funds holding PSTX

Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
PCM
Pentwater Capital Management Naples, Florida $19.3B AUM 58.13% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Nomura Holdings
Nomura Holdings Tokyo, Japan $37.7B AUM 34.44% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
AAM
Alpine Associates Management Palm Beach, Florida $1.7B AUM 97.55% 1-Year Est. Return
BCM
Boxer Capital Management San Diego, California $762M AUM 1,125.36% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
ACM
Aisling Capital Management New York $476M AUM 128.63% 1-Year Est. Return

William Blair & Company's PSTX Position: Q4 2024 in Review

William Blair & Company sold out of Poseida Therapeutics, Inc. Common Stock (PSTX) in Q4 2024, closing a stake of 1,112,140 shares — an estimated $3.18M sold.

William Blair & Company first reported a position in PSTX in Q4 2021 and held it in 12 quarters. The position peaked at $3.22M in Q2 2024. 115 funds tracked by Wall St. Rank hold PSTX as of Q4 2024.

  • William Blair & Company reported no remaining Poseida Therapeutics, Inc. Common Stock position as of Q4 2024 after selling out during the quarter.
  • William Blair & Company sold 1,112,140 Poseida Therapeutics, Inc. Common Stock shares in Q4 2024, an estimated $3.18M.
  • William Blair & Company first reported a position in Poseida Therapeutics, Inc. Common Stock in Q4 2021 and held it in 12 quarters.
  • William Blair & Company's Poseida Therapeutics, Inc. Common Stock position peaked at $3.22M in Q2 2024.
  • 115 funds tracked by Wall St. Rank held Poseida Therapeutics, Inc. Common Stock as of Q4 2024.

Based on William Blair & Company's 13F filing for Q4 2024, filed 12 Feb 2025.