William Blair & Company’s PDS Biotechnology PDSB Stock Holding History

William Blair & Company’s Portfolio PDSB Stock Details PDSB Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$264K	Hold	300,000	–	–	﹤0.01%	1469
2026 Q1	$182K	Buy	300,000 +50,000	+20%	+$37.6K	﹤0.01%	1506
2025 Q4	$192K	Hold	250,000	–	–	﹤0.01%	1475
2025 Q3	$253K	Hold	250,000	–	–	﹤0.01%	1372
2025 Q2	$333K	Sell	250,000 -7,200	-3%	-$9.78K	﹤0.01%	1222
2025 Q1	$306K	Buy	257,200 +99,700	+63%	+$142K	﹤0.01%	1251
2024 Q4	$257K	Buy	157,500 +35,757	+29%	+$94.6K	﹤0.01%	1345
2024 Q3	$465K	Hold	121,743	–	–	﹤0.01%	1137
2024 Q2	$357K	Buy	121,743 +81,743	+204%	+$262K	﹤0.01%	1207
2024 Q1	$158K	Buy	+40,000	New	+$206K	﹤0.01%	1445

Other funds holding PDSB

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Focus Partners Wealth Boston, Massachusetts $97.6B AUM 29.43% 1-Year Est. Return

QCM

Quantinno Capital Management New York $83.3B AUM 37.97% 1-Year Est. Return

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Vanguard Fiduciary Trust Malvern, Pennsylvania $454B AUM

MCM

Militia Capital Management Austin, Texas $3.37B AUM

Citadel Advisors Miami, Florida $875B AUM 40.89% 1-Year Est. Return

Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

Jane Street New York $1.21T AUM 78.12% 1-Year Est. Return

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

William Blair & Company held its PDS Biotechnology (PDSB) position steady in Q2 2026 at 300,000 shares worth $264K. The position accounts for ﹤0.01% of the portfolio, ranked #1469.

William Blair & Company first reported a position in PDSB in Q1 2024 and has held it in 10 quarters since. The position peaked at $465K in Q3 2024. 52 funds tracked by Wall St. Rank hold PDSB as of Q2 2026.

William Blair & Company held 300,000 shares of PDS Biotechnology worth $264K as of Q2 2026.
William Blair & Company left its PDS Biotechnology share count unchanged in Q2 2026.
PDS Biotechnology made up ﹤0.01% of William Blair & Company's portfolio in Q2 2026, its #1469 holding.
William Blair & Company first reported a position in PDS Biotechnology in Q1 2024 and has held it in 10 quarters since.
William Blair & Company's PDS Biotechnology position peaked at $465K in Q3 2024.
52 funds tracked by Wall St. Rank held PDS Biotechnology as of Q2 2026.

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