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APMC

Alta Partners Management Company Portfolio holdings

AUM $127M
1-Year Est. Return 230.85%
This Fund
S&P 500
This Quarter Est. Return
+1.35%
1 Year Est. Return
+230.85%
3 Year Est. Return
–
5 Year Est. Return
–
10 Year Est. Return
–
AUM
$41.6M
AUM Growth
-$160K
Cap. Flow
-$537K
Cap. Flow %
-1.29%
Top 10 Hldgs %
100%
Holding
3
New
–
Increased
1
Reduced
–
Closed
1

Top Buys

Rank Stock Value
1
VIR icon
Vir Biotechnology
VIR
+$42.9K

Top Sells

Rank Stock Value
1
ALLK
Allakos
ALLK
+$580K

Sector Composition

Rank Sector Weight
1 Healthcare 100%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
TYRA icon
1
Tyra Biosciences
TYRA
$1.56B
$39M 93.82%
4,080,296
– –
VIR icon
2
Vir Biotechnology
VIR
$1.87B
$2.57M 6.18%
509,917
+8,000
+2% +$42.9K
ALLK
3
DELISTED
Allakos
ALLK
– –
-2,546,147
Closed -$580K

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Alta Partners Management Company's Q2 2025 Portfolio in Review

As of Q2 2025, Alta Partners Management Company held 3 positions worth $41.6M, down 0.38% from $41.8M the previous quarter. Its ten largest holdings account for 100% of the portfolio.

Alta Partners Management Company's Q2 2025 filing shows 1 increased and 1 closed positions. The largest sale was Allakos, an estimated $580K.

By sector, the portfolio is most concentrated in Healthcare at 100% of assets, unchanged from a quarter earlier.

  • Alta Partners Management Company added most to Vir Biotechnology in Q2 2025, an estimated $42.9K increase.
  • Alta Partners Management Company fully exited Allakos in Q2 2025, selling an estimated $580K.
  • Alta Partners Management Company's ten largest holdings make up 100% of its $41.6M portfolio in Q2 2025.
  • Alta Partners Management Company opened 0 new positions and closed 1 in Q2 2025.
  • Alta Partners Management Company's portfolio value fell 0.38% quarter-over-quarter to $41.6M.

Based on Alta Partners Management Company's 13F filing for Q2 2025, filed 14 Aug 2025.