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Cornerstone Planning Group’s Altimmune ALT Stock Holding History

Cornerstone Planning Group’s Portfolio ALT Stock Details ALT Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		– Sell
-1
Closed -$5 – 1825
2025
Q4 		$5 Sell
1
-2,561
-100% -$11.2K ﹤0.01% 1702
2025
Q3 		$146K Buy
2,562
+2,561
+256,100% +$9.89K 0.02% 168
2025
Q2 		$4 Hold
1
– – ﹤0.01% 1521
2025
Q1 		$5 Hold
1
– – ﹤0.01% 1541
2024
Q4 		$7 Hold
1
– – ﹤0.01% 1387
2024
Q3 		$7 Hold
1
– – ﹤0.01% 1289
2024
Q2 		$6 Hold
1
– – ﹤0.01% 1245
2024
Q1 		$8 Hold
1
– – ﹤0.01% 1089
2023
Q4 		$11 Hold
1
– – ﹤0.01% 946
2023
Q3 		$3 Buy
+1
New +$3 ﹤0.01% 1201

Other funds holding ALT

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
Marshall Wace
Marshall Wace London, United Kingdom $100B AUM 35.1% 1-Year Est. Return
Millennium Management
Millennium Management New York $240B AUM 35.51% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Alyeska Investment Group
Alyeska Investment Group Chicago, Illinois $35.4B AUM 33.54% 1-Year Est. Return
Two Sigma Investments
Two Sigma Investments New York $124B AUM 33.93% 1-Year Est. Return
N
Nuveen Charlotte, North Carolina $369B AUM 31.66% 1-Year Est. Return

Cornerstone Planning Group's ALT Position: Q1 2026 in Review

Cornerstone Planning Group sold out of Altimmune (ALT) in Q1 2026, closing a stake of 1 share — an estimated $5 sold.

Cornerstone Planning Group first reported a position in ALT in Q3 2023 and held it in 10 quarters. The position peaked at $146K in Q3 2025. 173 funds tracked by Wall St. Rank hold ALT as of Q1 2026.

  • Cornerstone Planning Group reported no remaining Altimmune position as of Q1 2026 after selling out during the quarter.
  • Cornerstone Planning Group sold 1 Altimmune share in Q1 2026, an estimated $5.
  • Cornerstone Planning Group first reported a position in Altimmune in Q3 2023 and held it in 10 quarters.
  • Cornerstone Planning Group's Altimmune position peaked at $146K in Q3 2025.
  • 173 funds tracked by Wall St. Rank held Altimmune as of Q1 2026.

Based on Cornerstone Planning Group's 13F filing for Q1 2026, filed 6 May 2026.