We are live on ! Find out more
APMC

Alta Partners Management Company Portfolio holdings

AUM $127M
1-Year Est. Return 230.85%
This Fund
S&P 500
This Quarter Est. Return
+85.48%
1 Year Est. Return
+230.85%
3 Year Est. Return
–
5 Year Est. Return
–
10 Year Est. Return
–
AUM
$104M
AUM Growth
+$43.6M
Cap. Flow
-$4.72M
Cap. Flow %
-4.55%
Top 10 Hldgs %
100%
Holding
2
New
–
Increased
–
Reduced
1
Closed
–

Top Buys

No buys this quarter

Top Sells

Rank Stock Value
1
TYRA icon
Tyra Biosciences
TYRA
+$4.72M

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
$101M 97.03%
3,823,425
-256,871
-6% -$4.72M
VIR icon
2
Vir Biotechnology
VIR
$1.87B
$3.07M 2.97%
509,917
– –

Similar funds

FG
Fairman Group Chesterbrook, Pennsylvania $127M AUM 6.28% 1-Year Est. Return
MWML
M Wealth Management LLC San Diego, California $127M AUM 16.02% 1-Year Est. Return
DIG
Dauntless Investment Group Etna, New Hampshire $127M AUM 42.43% 1-Year Est. Return
RWIA
Roger Wittlin Investment Advisory San Francisco, California $127M AUM 18.93% 1-Year Est. Return
AWS
Alliance Wealth Strategies Lynchburg, Virginia $127M AUM
CPX
Canaan Partners XI Menlo Park, California $127M AUM 217.49% 1-Year Est. Return
KCM
Kids Capital Management Los Angeles, California $127M AUM 25.48% 1-Year Est. Return
EHAM
Eagle Harbor Asset Management Seattle, Washington $127M AUM 30.5% 1-Year Est. Return

Alta Partners Management Company's Q4 2025 Portfolio in Review

As of Q4 2025, Alta Partners Management Company held 2 positions worth $104M, up 73% from $60M the previous quarter. Its ten largest holdings account for 100% of the portfolio.

Alta Partners Management Company withdrew a net $4.72M in Q4 2025, reducing 1 holding. Its largest reduction was Tyra Biosciences, cutting an estimated $4.72M.

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

  • Alta Partners Management Company's biggest Q4 2025 reduction was Tyra Biosciences, cutting an estimated $4.72M.
  • Alta Partners Management Company's ten largest holdings make up 100% of its $104M portfolio in Q4 2025.
  • Alta Partners Management Company opened 0 new positions and closed 0 in Q4 2025.
  • Alta Partners Management Company's portfolio value rose 73% quarter-over-quarter to $104M.

Based on Alta Partners Management Company's 13F filing for Q4 2025, filed 13 Jan 2026.