OSTERWEIS CAPITAL MANAGEMENT INC

CIK 0001007524 · SAN FRANCISCO, CA · Quarter end: 2026-06-30 · Filed on: 2026-08-14 · Open the SEC source

OSTERWEIS CAPITAL MANAGEMENT INC reported 231 positions worth $2.12B as of June 30, 2026 (13F filed August 14, 2026). Largest holding: GOOG (5.4%).

Portfolio Value (AUM)Total value of the fund's US stock portfolio reported to the SEC.
$2.12B
2026 Q2
Positions
231
Top-10 ConcentrationHow much of the portfolio sits in the 10 largest holdings. High = concentrated bets.
29.7%
Est. Net Flow (Q)
2026 Q2
10 / 231 positions shown
#SymbolCompanyTypeValue% Port.Shares1YYTD
1GOOGALPHABET INCSH$113.8M5.37%322,182
2AAPLAPPLE INCSH$69.4M3.27%239,818
3VAC 3.25 12-15-27MARRIOTT VACATIONS WORLDWIDESH$62.2M2.93%63,260,000
4AMZNAMAZON COM INCSH$60.2M2.84%252,721
5AMATAPPLIED MATLS INCSH$58.8M2.77%81,318
6AFRM 0 11-15-26AFFIRM HLDGS INCSH$56.6M2.67%57,500,000
7ADIANALOG DEVICES INCSH$53.7M2.53%135,169
8MSFTMICROSOFT CORPSH$52.6M2.48%140,900
9LLYELI LILLY & COSH$52.3M2.47%43,596
10AVGOBROADCOM INCSH$51.1M2.41%135,358

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Read the 2026-Q2 quarterly report · 13F Filing Calendar

Frequently Asked Questions

What stocks does OSTERWEIS CAPITAL MANAGEMENT INC hold as of Q2 2026?

OSTERWEIS CAPITAL MANAGEMENT INC reported 231 positions worth $2.12B in its Q2 2026 13F filing. Largest positions: GOOG (5.4%), AAPL (3.3%), VAC 3.25 12-15-27 (2.9%), AMZN (2.8%) and AMAT (2.8%).

What did OSTERWEIS CAPITAL MANAGEMENT INC buy in Q2 2026?

No previous quarter is available yet; the comparison appears with the next filing.

What did OSTERWEIS CAPITAL MANAGEMENT INC sell in Q2 2026?

No previous quarter is available yet.

13F data shows quarter-end positions, is delayed by up to 45 days and covers only long positions in US-listed securities; short positions, most derivatives and non-US assets are not reported.