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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
-15.37%
1 Year Est. Return
+230.85%
3 Year Est. Return
–
5 Year Est. Return
–
10 Year Est. Return
–
AUM
$127M
AUM Growth
-$23.7M
Cap. Flow
$0
Cap. Flow %
0%
Top 10 Hldgs %
100%
Holding
2
New
–
Increased
–
Reduced
–
Closed
–

Top Buys

No buys this quarter

Top Sells

No sells this quarter

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
$122M 95.92%
3,823,425
– –
VIR icon
2
Vir Biotechnology
VIR
$1.87B
$5.2M 4.08%
509,917
– –

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Alta Partners Management Company's Q2 2026 Portfolio in Review

As of Q2 2026, Alta Partners Management Company held 2 positions worth $127M, down 16% from $151M the previous quarter. Its ten largest holdings account for 100% of the portfolio.

Trading was light in Q2 2026: portfolio turnover was 0%. Alta Partners Management Company opened no new positions and made no exits, leaving the 2-position portfolio largely intact.

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

  • Alta Partners Management Company's ten largest holdings make up 100% of its $127M portfolio in Q2 2026.
  • Alta Partners Management Company opened 0 new positions and closed 0 in Q2 2026.
  • Alta Partners Management Company's portfolio value fell 16% quarter-over-quarter to $127M.

Based on Alta Partners Management Company's 13F filing for Q2 2026, filed 22 Jul 2026.