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Parallax Volatility Advisers, L.P.

Position in COHR — Coherent Corp.

CIK 1521001 San Francisco, CA

Position in COHR

as of Mar 31, 2026 · filed May 15, 2026
Position Value
$652,933
-$4,303,140 QoQ
Shares Held
2,741
-89.8% QoQ
Ownership
0.001%
of shares outstanding
% of Portfolio
0.04%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Jun 2023
11 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in COHR Over Time

Shares Held

Position Value (USD)

Derivatives in COHR

reported options exposure · as of Mar 31, 2026
CallValue
$0
CallShares
0
PutValue
$3,882,823
PutShares
16,300

Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.

Position in Scientific & Technical Instruments

Technology · as of Jun 30, 2026

Parallax Volatility Advisers, L.P. holds $20,144,242 across 1 Scientific & Technical Instruments name.

# Ticker Company Shares Value (USD) Open

All Filings in COHR

Export CSV
26 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $652,933 2,741
2026-03-31 $3,882,823 16,300
2025-12-31 $3,229,975 17,500
2025-12-31 $4,956,073 26,852
2025-09-30 $2,315,980 21,500
2025-09-30 $1,940,683 18,016
2025-09-30 $1,885,100 17,500
2025-06-30 $1,757,704 19,703
2025-06-30 $446,050 5,000
2025-03-31 $1,158,529 17,840
2025-03-31 $2,272,900 35,000
2025-03-31 $324,700 5,000
2024-12-31 $5,826,463 61,506
2024-12-31 $3,789,200 40,000
2024-12-31 $473,650 5,000
2024-09-30 $4,061,319 45,679
2024-09-30 $1,804,873 20,300
2024-09-30 $1,520,361 17,100
2024-06-30 $2,024,315 27,937
2024-06-30 $3,572,278 49,300
2024-06-30 $1,086,900 15,000
2024-03-31 $4,689,684 77,362
2024-03-31 $303,100 5,000
2024-03-31 $775,936 12,800
2023-09-30 $4,471,680 137,000
2023-06-30 $5,709,760 112,000